Twin cam high idle. Bike has been great, but.

 

Twin cam high idle Twin-Cam Engine. lciambotti Discussion starter. out riding today and as i stopped i noticed idle a little high then it would come back down. It will have a high idle briefly before dropping off back to the normal 1k rpms. I did not detect any damage. s. I put in the proper amount of Primary oil and the sound has diminished considerably at high speed and is gone at idle. With Just picked up an 02 electra glide (FI twin cam w/ gear drive cams) with 93k on the clock. Timing at idle varies. It is also necessary that the exhaust system have rather open mufflers. Bike has Rinehart true duals, and the air cleaner is Mine is about 2-5 psi at idle when hot. It wasn't like this before which leads me to believe something is wrong. Hi, I have an '01 fuel infected Roadking. A stock Twin Cam carbed cam has 2 degrees of overlap, an Andrews TW26 has 20, a TW37 has 32, an SE 203 has 35. The Idle Air Control sensor will re-calibrate with every start-up cycle. 5K. Shut off the bike and start it , just make sure you do not twist the throttle. Ok I have 2001 rd glide with a 103 se FI ,httc heads, true duals vance exhaust. Hence, the MOCO states Warm Idle should be 900-1000 rpm. Eventually I'll get it quite like it should be Nick Sent from my SM-T330NU using Tapatalk . Now the motor really jumps around during idle (set to 980 RPM)sometimes smooth, sometimes really rough, most of the time rough. As you remove the cam cover, you could cut out the old pushrods, change the pushrods to adjustables, change the inner cam bearings to Torrington B-148's and have a look at the tensioners. As an example, it happens quite a bit when I get off I'm trying to turn my idle speed down on my DynoJet Commander III, I've got a 2005 Ultra and would like to get the idle speed down a little. Twin-Cam Engine Oil pressure fluctuation Now I can sit still and idle all day with great pressure I can run the rpm's way up hold it then shut it down rev it again and the press stays fairly constant. I just can't believe how piece of **** this high RPM is compared to other Harleys like EVO-s and other Twin cams with carb. E. I was thinking about dropping it to 900 RPM. 5oz. 5oz when removing cam cover. I found this out after years of riding a carbed evo and switching to a FI TBW twin cam. The bike has s&s cylinders, heads, pipes and cams. 06 twin cam 88 efi idle speed. ive been doing bikes professionally for25yrs. I pulled out the idle air control valve and it is not cycling with the ignition is turn on or when the bike is running. Using Valvoline Moto Syn 20/50 I think the oil pressure is a misnomer. What I have noticed is what sounds like a fairly loud lifter noise, only when its hot and mostly at idle. After repeating It is the original CAM and it has 31,400 miles on it. Anyone know what the idle speed is for TC88 EFI?. How would retarding the timing at idle / below 1500 rpms effect engine temperatures. The proper idle speed for Big Twin engines is 900-1000 RPMs. After having 'true duals', an S&S gear drive kit, Andrews 26G cams, adjustable push rods and Feuling oil pump & lifer combo installed, the bike Twin-Cam Engine. if the pressure releif valve in the cam plate is Twin-Cam Engine tjg358. 5K views 3 replies 2 participants last post by SCHMIDTY Jan 9, 2012. While you're diagnosing, use some throttle body cleaner to clean up the IAC port at the top of the throttle body. A. Has it been wet lately- wash, From memory the big twin TC engines have an adjustable idle RPM of 950 - 1150 RPM. Fuel Moto’s take: these cams build big power Twin-Cam Engine mmcdermott. EVO oiling systems need better than 700 RPM to work properly. However, a cam with too high of a lift can cause valve and piston interference, damaging the engine. I have made Since fluid change helped some, raising the idle to 1000 should ease it a bit as well. C. The popping is a result of the air/fuel mixture becoming very lean when the throttle is closed and the engine is rotating well above idle speed. 1 2. Previous topic - Next topic. Products, Inc. I have been battling these issues for over a year now. High oil pressure is not necessary for lubrication and reduces horsepower as well as causing more wear. As the development of the engine proceeded they could not get the oil temperature down to acceptable limits no matter what they tried. Also, does anyone have any info on how and/or if high humidity effects engine cooling - just Twin-Cam Engine SE Biker. Charge the battery, take it for a ride. You can lower the warm idle down just a tiny bit with the adjustment on the throttle body but don't go any lower than 1000 at warm idle. Any ideas what might cause this high idle problem? Thanks . E. Vacuum leaks will cause it to idle high, not "not idle". Clutch pack knock evident as a result. It all started around 18k where she had a Rough running and a stall when comming to a stop. Charging 800 rpm, measured at the gauge and a voltmeter showed 12. In fact, everything inside the cam chest looked beautifully clean, with the exception of the tensioner shoes. 2008 ultra drive by wire high idle problems - roadside fix! The TBW could be working exactly as designed but if the grip "catches" slightly above idle, the idle will appear high when a little Oil pump inspection Twin Cam, Evo and Shovel engines. The 2004 and 2015 Twin-Cam Engine Going with this setup, what cams are a good option for low,mid torque? 106 with stock heads you will be in the low 10s for compression assuming flat top pistons and some of the shortest very high torque early intake closing cams in there will produce too high of cranking compression, 205 max on pump gas has worked for most Harley Davidson Evolution and Twin Cam Touring. end play being excessive will cause a ticking sound. M-Eight Engines: Healthy engines range 4 – 8 oz. No history. By keeping your RPM a little higher, you can help maintain better oil pressure when idling. My Lady has a '07 Flht with 20k on it. Checking the engine’s idle speed can give you insights into potential leaks or other issues. Jump to Latest 8. Jump to Latest High idle. One solution is to simply increase your idle RPM. In addition to low oil pressure, which was already mentioned, a Twin Cam motor should be above 900 rpm to maintain the output of the charging system. Rotate ignition switch from off to ignition. I took a ~100mi ride over the weekend and it started chirping at idle. The issue started a few days ago. The motor shakes at idle. I recently lost the inner cam chain, front cam, oil pump and cam plate. I REALLY have to baby it for 10 minutes or so, to keep it below 60. Before I had any motor work done on my stock 99 FLHRCI EFI TC88 with 65k miles, its oil consumption was very reasonable, maybe a quart per 4K miles. The RPM is adjusted electronically using the shop computer, no screws to turn. I'm wondering is this something new with Harley on the 103. If your idle is fluctuating, you have an issue that needs to be fixed. Using the 141NU102 map as a base, I can increase VE tables F&R from original to +20% in the 0%- 10% columns and get no effect on the off-idle roughness. One of the best places on Al Gores interweb. grnrdglide. Products has the solutions for your Harley oil pressure problem. looked for vaccuum leaks on manifold around all seals inlcuding the MAP sensor on the manifold. T. Just purchased a 08ultra. Big Twin Idle Speed. Installed the nut that holds the Y pipe to the exhaust bracket (it was missing) and used high temp thread locker. Also as you said above "1100+ rpm when warm, 1050 cold. you definitely want to use adjustable push rods though good luck I just finished replaced both cam chain tensioners and disassembled the stock oil pump for inspection. Harley Davidson’s Twin Cam engines, including the 103, have been known to have a few common issues. . It would probably make a little more power if I put in a 185 main 1050 warm is an acceptable idle, they are set for 1000 +- 50 RPM's. The ECU controls the idle at 1050 rpms, higher when cold, 950 on parade mode and 800 on 2002-2006 models when overheated. a cold start will stay at a high idle for a long time, I now its normal but mine seems to stay there a long time Twin-Cam Engine 05 classic. I thought it may be heat shields so I removed them. Welcome to the forum. 2012 FLTRXSE road glide 110" Kury 24 cams V&H power dual head pipe Crusher mellow mufflers Great tune by BVBOB! The summer is hot as hell and the humidity is usually very high making the air thick and heavy. Tightened up exhaust nuts. I have a question about my idle or rpms staying high after rideing around and maintaining the same speed for a while. It seems now it is revving higher while at idle. hdmikeyb · Premium Member. Assuming this video description is accurate, here is a Twin Cam idling at 800 rpm: High idle (4k) upvotes Twin-Cam Engine. I know a guy with 07, he got some kind of flash from dealer and bumped it to around 1100. Present in every Twin VERIFIED: 15" steady vacuum at idle. My Vance & Hines FP3 will lower my idle, but I don't want to starve it for oil on the top end. Hello all. 05' RK - 510 chain drive cams (06-07 cam plate design), high compression SE 103 top end, T-Max, closed-loop with 2 Once warmed up Evo can Idle a bit slower than TC's Many like the sound of a low idle EVO. Trapper40. Afterwards I found I had oil pressure of 50 PSI at cold start which would drop when hot to about 35 on the road and 15 to 18 on the idle. Last year I noticed that it rarely went into high speed idle when cold. NOTE: when sump level is measured from the crank sensor there is still 4 – 4. 15 miles later OP back down to 2 psi at idle but climbs back to 20/25 psi as soon as I take off and get the rpm’s up. Harley Davidson Evolution and Twin Cam Touring. I'm running M1 V-Twin 20w-50, with a cooler. Gerotor Oil Pump Twin Cam 88 and 88B engines use a small, die-cast, gerotor-style oil pump turning at crankshaft rpm that utilizes a spring washer to preload the pump gears against the cam support plate High Idle After Warm Up. Top Contributors this Month View All. 13 posts · Joined 2010 Add to quote; Only show this user #1 · Oct 4, 2013. Your idle is a bit fast more in line with a TC than an EVO. Harley had determined absolutely that the new engine would not be liquid cooled. One thing I did not like about my 05 FXSTI was the high idle. NYABATE. No codes were thrown during or after the problem. What a mistake from Harley-Davidson to My original intent was to ask how a 'high performance cam,' one that is defined as having specs more in line with a cam(s) used for racing, etc, would allow him the seemingly idiotic ability to acquire such a slow idle and why he wanted it to idle in such a manner to begin with. Print. Is the the twin cam noise? Dunno without hearing it. 1000 or more is best. Ideal is 2-3oz. I have a 2005 Road King Custom with fuel injection that won't idle down. This is a very easy thing to check and, if need be, to fix. Inspect spark plugs. I have an issue with my 2007 Ultra Classic with 44k on the odometer. To restore, you need to either disconnect the battery or pull the ECM fuse for 20 minutes, then reconnect. tall terry 103 Replies "idle screw"-rev it up-repeat the "idle mixture screw adjustment" untill the bike picks up speed -nicely and running ok in idle-speed. T. TWIN-CAM 96/103/110 For 2007 and Later Bikes Screamin' Eagle® Hydraulic Cam Chain Tensioner and High-Flow Oil Pump Headwinds 2" Bullet Passing Lights 50w' Progressive 440HD Shocks & Monotube Fork cartridges Torque and power rise right off idle and they are still pulling on top above 4k-5. This Stage 1 kit is intended for High Performance applications only. Jump to Latest My 03 Twin Cam will get down to about 10 psi at hot idle. 0 Members and 1 Guest are viewing this topic. Lower speeds are generally better, and for most bikes, aim for an idle speed below 1000 rpm. Ride Safe,:senor Vettster 2010, FLTRX W/ SE 120R. -----The Original Gazoo 500,000+ accident free miles Twin-Cam Engine High idle. Would this make the engine run hotter. The change was due to issues with cold starts and running cold. anthonyflhx. The cam timing events are only a small part of the equation concerning ignition timing, high static compression and an early intake closing cam will affect how much timing a bike needs or will allow as will the flow through the intake, exhaust tract, injector size, placement (notice the angle on HPI compared to stock) squish area and overall Is there any way of lowering the idle (1100rpm) on a TC88 with PCIII installed without affecting Performance? Twin-Cam Engine. I've replaced plugs and wires. I love the sound of a solid lifter forged piston engine with a side order of high compression,, is music to my ears,,, It also had low oil pressure (zero psi at idle and 20 spi on the road). Yet to be tested. If you look in the factory manual, it will show you the adjustment for warm idle. 5 to 13 charging volts. 38 PSIG at 2,500 RPM's - Normal. Solid at 15 psi. Save Share Installed a manual idle air controller on my fuel injected Harley. After running the oil pressure will be at 35-40 at idle. Idle AFR's are in the 12. I have been dealing with this problem since day one, and two independent dealers have yet to find a solution. High flow intake with thunder max EFI tuner (was told its an older model, around 2005). Turn ignition switch to off. HD 2007/08 Performance Recommendations For EVO and Twin Cam engines: Changes to improve the performance of your Keihin CV carburetor are easy to perform. One of the most notable is the problem with the cam chain tensioner. Thanks. Decreasing advance 5* at idle makes idle smoother, but has no effect on the rough spot. Everything went well even the grips which I got help from in this site. adlerx. 03 springer 40k miles stock,noise at idle on up light knocking,seems to be top of front jug. The engine must be cold. I'm having ongoing idle issues, My ride is very cold natured. This has been happening for some months, bike has reflashing a stock cal over a Tuner cal may only temporarily alleviate the high idle, until you reflash back to a tuner cal. It sounds like it's stuck on a high idle like it would when it would be warming up but no matter how long I ride the idle doesn't slow down, I don't have a Feuling makes a high-quality pressure relief spring for the Twin Cam with the correct spring rate to control and maintain proper oil pressure. Camchest oil level range is 5. However a few months ago I noticed my oil pressure when hot at idle was about 35 PSI. Numbers good, you're ready to go. L. The guy I bought it from assured me that all factory recommended maintenance had been done at the proper intervals but nothing is confirmed. spring in my otherwise stock 2004 Ultra and now the oil pressure when at normal operating temperature is 8-9 psi at idle and 38-40 at 65 mph in high gear (2500 prm or so). R. You can see it moving. Start vehicle and run until both engine and oil are fully warm. This engine related performance part Setting Idle Speed Warm-Slow Idle Speed Adjustment 1. Spark plugs are vital for the 103 engine’s power output. It'll idle real slow after it's warmed up, then jump back to 1050 rpm's or so, then next time you roll to a stop, chug chug again. Harley Davidson Evolution and Twin Cam Touring theaslett. i. After reviewing the timing at idle, since Otto mentioned it, a slight drop in timing at idle will likely have a effect in reducing the noise as well since it will change how the engine hits the comp at idle. After riding for an hour or so, stopped at traffic light and idle was higher than normal. i have set the idle to be high around 950-1050 like manual says. I just replaced the bars on 2003 fatboy. Most of my heat is at idle, or at least that is where I notice it. Harley Davidson Evolution and Twin Cam Touring ezrider. If your bike is having problem with its idle, The IAC needs to be cleaned. I do not have any problems with missing or backfiring, nice If your Harley is not idling properly or its idle rpm is too low or high, the Idle Air Control (IAC) must be serviced. To verify that your bikes’ idle is not on the high idle mechanism, attempt to insert In their chapter on the development of the Twin Cam engine, I remember reading about the following. 955 seems to do it easy free fix for twin cam idle problems High Heat on 2007/08 HD engines. Sounds low, but remember it's a T-spark with retarded intake cam at idle due to cam variator, or does this not matter? Has 36 p. I've replaced the fairing brackets. I tried to set my idle lower on my vrod and it did not like to run. lock it down and check the range from idle through WOT, specs in the book. I One is the idle/temp table which sets the idle based on ambient temperature roughly 1300RPM falling to 1100RPM as ambient temperature rises from 32F to 95F. Warm engine At idle: at least 10 psi . 75 cr se push rod's True duals The sending unit goes to the oil pressure gauge,the switch goes to the oil light,I think you are chasing a ghost problem I. While the low idle might sound cool, it’s not great for maintaining oil pressure. Fueling cam support plate, lifters + high flow oil pump, MGS true duals with 4" cans, Wimmer For what it's worth, my '03 RK Classic has been having trouble maintaining idle speed for a few months now. You may have a head temp sensor failing if you have a high idle issue or a TPS Harley Davidson Evolution and Twin Cam Softail it may also be an Idle Air Control issue. I noticed on my new 2011 Ultra 103 that the oil pressure is running at 60 psi. With the weather being cold, start-up oil pressures can EASILY peg my 0-60 HD gauge and I suspect it is making 80 psi at times. 053 Timing 24/44 - 46/22: Duration . It never had the oil light come on but it would click at high speed as if the lifters were letting down. +5% VE or Open Loop with Lambda of . All spark plugs are very light gray to white. That setting is a base setting that effects all the other idle settings. The yellow check engine will turn on for a few seconds then off. " Harley Davidson Evolution and Twin Cam Touring. Save Share Idle 800 rpm, Oil Pressure equal to 1000 RPM. This seems to have no type of pattern when it does it other than its normally doing this when getting off the hwy or when the engine is nice and warm. B. when i went to restart i had to give it gas to fire and Check engine idle speed adjustment. In 2003 the local dealer said there was a new map that was to correct this problem, installed it, but the problem continues. According to the manual I am supposed to hook up a diagnostic The rough idle is caused by overlap; that time when both the intake and exhaust valves are open at the same time. VERY STRONG FROM IDLE THROUGH 5500 RPM. Does it still sound like a Cam Bearing or maybe now a primary chain Also there is no more noise, either at idle or at high speed. I have a manual but the procedures in there require the use of a HD Scantool which I obviously don't have nor Fired it up this morning to ride to work, outside temp 47º, oil pressure 30 psi at idle, so the gauge must be working right. H. Hi guys, I have a question about my idle or rpms staying high after rideing around and maintaining the same speed for a while. Once the motor is warm, 185°f, 2800 rpm = 45-50 psi. If the throttle is open when starting on a throttle by wire bikes, it fools the sensor to think "this is the closed throttle position" and will idle fast. 05flhrsi90. High idle. you dont have a problem,a HD engine only needs a few psi of oil pressure to keep it oiled the switch is set to 3 psi so if you dont have an oil light on you have at least 3 psi of pressure,HD oil pumps are low pressure high volume pumps my Is this something specific with the Twin Cam? I know it is not with the Evolution and I though the Twin Cam got the good oil pump. Checked valve springs,rockers etc. She's got 43,000 on the odometer. If you're buying a cam for sound, that's the wrong reason. Help. the idle speed is wrong, remove the air cleaner cover, read adjust it. General Harley Talk Twin-Cam Engine Harley Davidson Evolution and Twin Cam Touring My Story, the Beginning Harley-Davidson FXR. The second table is the Idle Air Control which increments/decrements the air fuel via an electric valve based on the operating temperature of the Now that I am done with my 95" build break-in, I will be taking it back in for another tune. I have 2001 FLHT, with 27,000 miles & last week the pressure guage Harley Davidson Idle Air Control Service. If anyone can help that would be At a dead stop, clutch in or out makes no difference, the engines idle is well above the normal range of 1k. Replaced the IAC, no help. Every Twin Cam that I know of comes with Harley Davidson H-D 360 20W50. I am having a problem with the bike idling too low at all temps. Bike runs fine and no issues now with the MM system. Started by shepherd50, April 17, 2013, 06:18:19 PM. That's really plenty of oil pressure. left in sump. Joined Dec 21, 2009 · 317 Posts Hi guys! I bouhgt a 2004 Softail (USA model) and I am totally pissed off with its high idle speed. But most importantly, you’ll need to know how to check the oil pressure (without a gauge) in the first place. Just doesn't sound as good. 0. Jump to Latest so much when warm. 984 posts · Joined 2011 Add to quote; Only show this user #1 · Jan 8, 2012. IMO disconnect the O2 sensors as the ECM on the bike is a closed loop system I have 2001 FLHT, with 27,000 miles & last week the pressure guage started going to zero at idle after engine is warmed up & if I don't rev it to around in this thread in this sub-forum in the entire site. Harley Davidson Evolution and Twin Cam Touring 04ctd. I have a 2007 Ultra Classic with 36k on it. Harley Oil Pressure Problems E. Twin-Cam Engine I'm going to upgrade to the newer cam plate and high volume oil pump soon as well. You will not see an increase in oil pressure at an idle with a gauge unless its increments are minimal once the engine reaches operating temperature; with or without an oil cooler. When the RPM's are at about 2000 the oil pressure is again at 60. The range is bigger but you get the point. Whether it’s the best cam for twin cam 88 or the cream of the crop for a stock twin cam 88, we’ve done the groundwork to clear the path for your lush ride. Oil Pressure on Twin Cam 88. A few years ago during an upgrade I fitted the Hybrid cam plate kit to my 2004 Fatboy. mmcdermott. I recently completed a cam upgrade on a '10 streetglide. later i was running down the highway for about an hour and as i pulled into the rest area pulled in the clutch at about 10 mph and bike died. -the proper idle mixture setting is about half-way between the "too-rich" and too "too lean" settings -Keep in Harley Davidson Evolution and Twin Cam Touring Add a high volume air cleaner and a Power commander/tuner to adjust fuel/air mixture. If you get a bunch of carbon off of the IAC plunger, that might be your issue. Hello everyone. 9 - 13. Will resolve your code issue and run lik Twin Cam Engines: Healthy engines should have less than 5oz. By the end of the season it was idling low, around 700, 750 rpm. As soon as the light The idle should be about 950-1100. Pwr cmd IIIusb I just did coast to coast ride and after i got back 8k plus miles it started to misfire pop out intake at most low speeds and when feathering throttle not when hard accelerating? and when idling it backfires alot and 2017 Twin Cam 103ci 'Stage II'--Performance Machine Intake--Sawicki Full Length 2:1 with engineered mod (get to details at another relevant time)--MR103 cam-- TTS MasterTune Open Loop Idle: Did fix the problem. Using the Scanalyzer, verify that engine STAGE 1 KIT FOR 1450 TWIN CAM 88 Twin-Cam Engine Idle problem. Some people have been bumping idle up. I have a spacer on the relief spring I also had a oem cam plate on it earlier but was chasing a noise issue and went back to the delkron Bike has been great, but. Hazer 04 Flhrci 95" se flat top's se 203 cam's Big Boyz Heads 9. cruzyn56. I can lower idle speed from 1100 to 800 but I like 950 which is about where a carb bike id Idle speed is lowered from 1,000 rpm to 850 rpm. If you not using the ENRICHER to start your running pretty darn rich on an EVO. In this article, I’ll explain how to reset your Harley-Davidson Idle Air Control sensor to recalibrate the idle rpm of the engine. LIGHT OR HEAVY BIKE. I have a 2014 twin cam 103. I am using DTT Twin Scan II+ and dual WEGO sensors. How low can I safely set my warmed up idle RPM? I would like to set this a low as possible without affecting engine balance and electrics. did this about 3 times. Turn kill switch to run. G. As an example, it happens quite a bit when I get off the fwy having rode for about 15-20 minutes at high fwy speeds. I don't like the sound of the stock idle at 1000 rpm. Both my hot and cold idles are way to high and the cold idle seems to hang on longer than it should. Oil never gets above 225, usually runs about 180-210F. Went with S&S adjustable pushrods, andrews 48 cams and comp cam lifters. 2. and new flash. Jump to Latest 1K views I have an 04 road glide. Example timing set at 22 degrees in this area - retarding to 18 degrees. N. Jump to Latest had it in for a slow idle problem and they said they found an intake leak and fixed it. 1000 rpm The Harley-Davidson Twin Cam engine, introduced in 1999, marked a major advancement in the evolution of the brand's iconic V-Twin engines. The outer had the expected wear and the inner was completely worn through--not really shocking. fuel pressure at idle and I have clamped the FP regulator hose to provide 40, 42#, whatever pressure-- makes no difference. Remove air cleaner cover. Jump to Latest 3. if your installing a gear drive they are noisy. (15-50wt) As long as the oil light is not on you should be OK. Below that it will eat the battery when sitting at idle. EVO are great rides still have my 1996 FB and ride it often. Generally, the more radical the cam is, the more overlap it has. All I got back was a smart mouth. but I think the Buell uses a pendulum because it is more Twin-Cam Engine. I tried re-programming It starts fine and was idling great previously. Well, I finally got my TB off and changed a bunch of stuff, linkage, injectors, fuel pressure regulator. I've replaced motor mounts couple of times. 9K views 6 replies 3 participants last post by lciambotti Oct 5, 2013. Camshaft Duration “Duration” refers to the amount of time the valves are open The Engine requires only 4psig at idle. my dealer says any time you roll the throttle backwards (mine has a good bit of slack that way) The high idle problem that most riders are experiencing can be eliminated in most cases by allowing the bike to come to an idle (1000 rpm +/- 50) before shutting the ignition switch off. It is recommended anytime you replace ECM, TGS or If you just have a high idle when the engine gets up to temp, it probably means that someone tried to adjust the cold idle by turning the hot idle screw while the IAC was still 06's have a service bulletin to change out injectors from 8 to 25 degree. Twin-Cam Engine 1999 RoadKing-bad idle and backfire. This is a very common issue on TC88's. 053 248 - 248: TWIN CAM GEAR DRIVE 88" - 160" SUPER HIGH LIFT, SHORT DURATION STREET CAMS FOR THE I installed a Baisley spring during the HQ-34 cam install. 5 - 6. The traditional potato potato sound is not how a twin cam sounds. I recently checked the Primary Chain and it appeared to be in proper adjustment but the oil was low. High idle during start up? Jump to Latest 21 - 27 of 27 Posts. Before keying ignition on, locate the throttle linkage plate of the Condition: Idle varies constantly between 948 and 1062 rpm. Twin Cam Issues. Noise is definitely coming from the rear jug. They buggers do make sme noise. The rubber-mounted Milwaukee-Eight engine features a single internal counter balancer that cancels 75 percent of primary vibration at idle for a more refined feel and more comfortable experience for rider and passengers while retaining the classic character of Harley V-Twin engines. The bike has always had a lower idle than I woiuld like, around 750 RPM. Roller bearing engines with tight This is a twin cam, not an evo. What Red Shift says: “High Torque for 96” and 103” Twin Cam engines with stock, unmodified heads, developed to deliver immediate passing power in 6th gear at any typical cruising speed. 2 range at present. In fact, one should expect a well-tuned high performance engine to "pop" and "crackle" when the throttle is closed at high rpm. PRESSURE ISSUE: Low oil level. Knuckle, Pan, Shovel & . tks in advance . also when idling at a stop it will pickup speed and then drop rpm almost to a lope. Ok first off get rid of the stock push rods,second end play may be your problem,and third did you change your cam bearings. bensfatboy Discussion starter. mtmthu bbslw mradpu ltiga jswaw iaifdx aaqnyu whfbx nkdl wknbb uhot crv xyak xnvo hwuu