Twin cam 88 idle adjustment 5. D). 5 idle jet, #50 accelerator nozzle, #97 needle/ clip in the middle groove) to control detonation under load in the upper gears- Approx 2200-3100 RPM, rolling on full throttle to pass or accelerate in There is a procedure, in the service manual, for setting the idle speeds on the MM efi, that this bike should have. A good place to start is 1. 29641-99- Kit, Carburetor, unpolished Part No. Jump to Latest 2. I NEED TO KNOW IF THE ENGINE IS AN EVO OR V-TWIN, 80 CI ticking noise Hi Dan, My 2001 flht in my opinion sounds like a sewing machine, But I rode a Road King Classic at the york open house this past year and was releived that it also was quite noisy. Description: Model(s) 14: 22307-99: PISTON COOLING JET, w/ O-ring (2) IDLE KIT, air control, w/ 2 screws, O-ring & idle control: FLHRCI, FLHRI, FLHTCI, FLHTCUI, FLTRI: 13: Adjust the idle mixture screw for smooth idle and readjust the idle speed screw to the correct rpm at idle - 950-1100 rpm. Index No. Turn counter to slow down. Verify correct idle speed after installing air cleaner 06 twin cam 88 efi idle speed. 5 turns, I think). 68 range. problem is tryin to jet the carb right. I tried to set my idle lower on my vrod and it did not like to run. shepherd50. and rocker bushings. All non-warranty replacement crankcase orders require return of the complete left crankcase half with vehicle identification number (VIN). First: The idle-air mixture screw The factory's idle-air mixture screw setting Twin-Cam Engine. I have the older twin scan 88 model and I used it the adjust the TPS when I had to replace my throttle body. Per DA BOOK: idle is 950-1050; carb models, adjusted w/ carb idle speed screw. Also as you said above "1100+ rpm when warm, 1050 cold. I was able to increase my hot idle up to spec (950-1050rpm) by simply turning the idle adjustment screw clockwise. The later model twin cams with fuel injection have requirements different than carbureted earlier bikes. 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. Page 3. E). On the Twin Cam 88™ engines the MAP sensor must be installed into the intake manifold and the fuel petcock’s vacuum line must be attached to the fitting on the carburetor. Now, you don't say if you put it on or it came with the uses bike. Stopped for fuel and it was still a little high. If unable to find the low adjustment point where the idle slows, simply set the screw at 1-3/4 turns out and proceed to the next step. 1999-2005 Harley-Davidson FXD Twin Cam 88 Clymer Service, Repair & Maintenance Manual. You have internet, so Twin Cam: Idle Timing and RPM varying constantly, more fluctuating ! Twin Cam: Idle Timing and RPM varying constantly, more fluctuating ! Started by GunShyKennedy, February 06, 2017, 01:20:54 AM. Once in a while, like most M-M the warm idle would just stop remembering what it is supposed to be set to. Idle and Off-Idle Adjustment: The Idle Mixture Screw is a fuel adjustment screw located on bottom of carb (outlet side) in a passageway. How would I go about adjusting the idle on an '05 carb? My manual has the efi adjustment on page 1-48 fig. Before buying my 2003 Heritage I had only owned shovels. Steve | 30+ yrs. See “Additional Kits Required” for Part No. 5K views 6 replies 6 participants last post by Rockbiter Jun 6, 2005. According Why did I buy TWIN CAM? Because: 1) I went to see about 10 used bikes and this one seemed to be the best deal. stock idle Harley Davidson Evolution and Twin Cam Touring Magneti-Marelli 2000 Ultra Idle Speed Adjustment? in. On EFI models, book says it requires a computer based As a last resort, very last, in the front of the dual intake runners is a small hole, way down deep in that hole is an idle adjustment which is supposed to be turned only when Adjusting the Idle Mixture Screw will adjust the idle and off-idle operating mixture. 8K Add (2) #4 brass washers (. A five minute job. Started by byf41, June 01, 2020, 03:09:58 PM. I've 2002 88 carb Twin Cam and 47K miles on it. This highly detailed repair manual covers all repairs, servicing and troubleshooting procedures. When the bike warms up instead of a steady idle it surges between 900 and 1500 rpm's and there is an occasional chirp. Slip the fuel hose onto Twin-Cam Engine 2001 TwinCam 88 EFI idling high 2001 TwinCam 88 EFI idling high. If you look in the factory manual, it will show you the adjustment for warm idle. 6. 1-57. most of the time i just ignore it knowing my oil is clean and everything is adjusted ok. I didn't use a SCANALYZER, and I didn't disconnect any fuses. 0018 ID x . Shim the needle with two #4 washers, gain access to the adjustment screw and go from there. inspecting, checking an Why not? My old 76 FLH idled so slow you would swear it would die, no oil pressure problems. Still seems like it's a bit logy. A couple of simple changes can make the stock carburetor sing like a bird, and I mean a canary, not a crow. Rejetted to 195/48/88 sporty needle/ 2. Turn it in and lightly bottom it. also pops constantly thru the carb. Link to follow up part 2 https://youtu. 54 range. 64-. If you have to turn the screw out anymore than 3/4 -1 more turn than it already is, you might want to consider moving up to a 48 jet and setting the mixture screw 1 1/2 to 1 3/4 turns out. If it's over 1300 rpm, then turn the screw out (therefore, set cold idle speed at 1200 rpm for TC-88's)It's that easy . 3 Needle jet holder 27101-88 4 Rod 27122-89 5 Spring 27123-89A 6 E-clip 27124-89 7 Washer 27125-89 8 A short while back I'd tried going up on the main jet for my Mikuni HSR42, from 165 to 170 (17. User actions. Take out FI and ECM fuse to let the computer reset. Louis. 5 idle jet, #50 accelerator nozzle, #97 needle/ clip in the middle groove) to control detonation under load in the upper gears- Approx 2200-3100 RPM, rolling on full throttle to pass or accelerate in Customer: I have a 1996 Harley tour glide with fuel injection. It didn't sound right, so I took it back to dealer that sold me the bike. For best I was able to increase my hot idle up to spec (950-1050rpm) by simply turning the idle adjustment screw clockwise. Feels like the timing is a bit retarded. Review your system documentation on placing orders electronically. _____ Download Complete Service Manual for 1999-2005 Harley-Davidson FLH/FLT TWIN CAM 88 & 103. 5:1 corrected, the Mikuni HSR42 carb has 162. 4. They need a faster idle to supply oil to the top end. When I was leaving, the bike was idling a little high, 1150 RPM. 15 TQ, Dyno'd @ Doc's, St. This :chopper: I have a Mikuni HSR 42 fitted to my 2003 FXD Twin Cam the engine has been bored to 95'' (1550cc) has Andrews TW27 cams, the heads have been ported, flowed and cc'd to street port plus spec with big valves to match the cams, compression ratio is 9. experience, MMI, HD technician, HD early, engine rebuild/performance, bike builder, kit bike program manager, CCI 2001-2004. Not hard to damage the seat. Turning the Idle Mixture Screw in (Clockwise) will lean the idle mixture and turning it out (Counterclockwise) will richen it. 9K views 6 See if you can get the idle right, with the adjustment screw set in the middle of the adjustment range. 0 Members and 2 Guests are viewing this topic. I had the same problem with my '01 (MM efi) Road King Classic. Twin-Cam Engine clutch adjust. I posted on the Twin-Cam forum asking about the choppy idle, just one reply so far confirming the idle was rougher but not "bad". (640-680 mv) 5. On the TC powerd bike, the idle will go back to where it should be 1050 warm is an acceptable idle, they are set for 1000 +- 50 RPM's. General Harley Talk Twin-Cam Engine Harley Davidson Evolution and Twin Cam Touring My It has 35000 miles on it and after riding a while in warm weather at idle it has very low oil in this thread in this sub-forum in the entire site. Twin-Cam Engine Carbeurated decel pop fix I'd double check the spark advance and VOES. Bike would hardly run first thing in the morning. Stock main jet is 190 and i would leave it alone. I thought about changing needles or adding a shim but from what I understand the needle Isnt In play off Idle , cant find a decent performance needle anyway . Harley-Davidson Twin Cam 88, great engine, has it's issues but they can hold some secrets. Thats the Idle Air Control valve, which controls idle speed, like an idle speed screw on a carbed engine. No oil pressure light but when it is cold (better after 2 days off) at start, engine is quiet. It's Right Here Inside. Evolution engines and 1999 and later Twin Cam 88 engines. Throttle Plate: Step 1. Periodic lubrication / Engine oil change / Transmission oil change / Periodic maintenance / Control cables / Tune-up / Idle speed adjustment / Specifications. See Inset on. 8. 56 posts · Joined 2004 Add to quote; Only show this user #1 · Jun 3, 2005. Jump to Latest Careful, you will be able to spin them after adjustment with the cam on the base circle, you need to loosen completely and start over, the lifter plunger will come up immediately and you will be able to readjust from there, after bleed down they will once again rotate freely I highly recommend getting your service manual for your Harley Davidson (or cars) from emanualonline, at a very reasonable price using the link below with pr STAGE 1 KIT FOR 1450 TWIN CAM 88 Following the final idle speed adjustment, disconnect Scanalyzer and then remove both 5 amp and 15 amp fuses (ECM power and fuel pump) for 15 minutes. General Harley Talk Twin-Cam Engine Harley Davidson Evolution and Twin Cam Touring My Story, the Beginning Like I said, the voltage readout is important and should be on or close enough to adjust with the throttle blade screw and/ or throttle cable adjustment fresh out of the box. The idea during slow maneuvers is to keep the RPM's constant, just above idle (say about 1300 RPM), and use only the clutch to control your speed. ($16K) 2) I did not know that idle RPM could not be adjusted at home. To ensure No idle warm indicates an IAC problem on Delphi, I don't know if MM injection is the same. Use a digital tachometer, if available. . MM EFI idle adjustment question. 5 idle jet, #50 accelerator nozzle, #97 needle/ clip in the middle groove) to control detonation under load in the upper gears- Approx 2200-3100 RPM, rolling on full throttle to pass or accelerate in This can be due to the idle jet being too large, installed cams, or ignition systems such as those on Twin Cam 88's. Engine idle should be at 1000 RPM. I wonder Harley twin cam 88 loud continuous banging in top engine. That's It!!! This really works well and it only takes a few minutes. Top Contributors this Month Working on a 88" twin cam in a 2001 Harley Road King. It had been sitting and when I started it the idle was 2000 rpm's. Previous topic - Next topic. Air Cleaner Backplate. If unable to find the low adjustment point where the idle slows, simply set the screw at 1-3/4 turns out and proceed to the next *In some cases idle speed may need to be adjusted (Fig. Figure 1. I understand your concerns. Be very carefull (light handed) when turning that screw in. 29564-98- Kit, Tuner, race NGK Iridium IX DCPR7EIX Spark Plugs Compatible with 1999-2016 Harley Davidson Twin Cam (Pair) $17. One thing I did not like about my 05 FXSTI was the - the idle speed has to be high, since the fuel injection does not provide sufficient pressure to run at lower idle speeds the big twin TC engines have an adjustable idle RPM of 950 - 1150 RPM. Carefully watch to make sure the cable returns to idle when released!(off) openthe throttle and turn the cable adjuster until the cam reaches the stop!tighten the jam nut! I am useing the 03 softail manual First, you need to determine if its related to the cam and tappet, or just the rattle they have from being built cheap and sloppy. Everything went well even the grips which I got help from in this site. After idle is set. You do not need, nor do I recommend, any non-Harley parts. • If engine idle speed seems too low or engine occasionally dies, increase Idle RPM To adjust the warm-slow idle speed, locate the set screw through the hole in the air cleaner backplate (lower right corner of the intake air inlet). SCREAMIN’ EAGLE air cleaner kits must be used with these carburetors. Anyone know what the idle speed is for TC88 EFI?. They have note in the service manual - As chains stretch and wear, they run tighter at one spot than another. Needless to say there's a world of difference between a shovel and a twin cam. 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. wat am i doin 3. The cold idle works fine on both machines, however after their fully warmed up and shut off for a short period of time, you start the bike back up and the idle goes back up to 1500 rpm. this thing is dead off idle and is very hard to start back up when warmed up. " 88 Twin Cam: fuel economy went from normally requiring only one new part and one re-adjustment. And in the case of 2007 (+ 2006 Dyna) and CRANKCASE AND ENGINE OIL FILTER - TWIN CAM 88™ (2 OF 2) View interactive image. If you look in the factory manual, it will This can be due to the idle jet being too large, installed cams, or ignition systems such as those on Twin Cam 88's. 1) Slide the rubber boot off the adjustment nut assembly, in the clutch cable. Then go for a ride, keep the rpms below 3000 and see how it runs, another jet change may be necessary to get it to run smoothly. 10,615 Satisfied Customers. 5 main jet on a JOST powertube (jet extender) 50 Hi-4TC Twin Cam 88" Ignition Module *Switch-selectable, multi-spark mode generates up to nine sparks at idle and three sparks up to 6000 rpm, reduces lean surge and plug fouling *True single fire, each spark plug is fired independently, camshaft position sensor (CMP) is used to determine which cylinder to fire and the crankshaft position sensor (CKP) is used to establish ignition got a '02 softail deuce twin cam 88. I pulled CVs with a big cam need a hole drilled in the throttle plate so the idle setting closes the transfer ports. if you check Twin-Cam Engine. Not sure how low it will go without stalling, but it will go down to 800 (mine was adjusted there before I turned it up for charging system purposes). Harley Davidson Evolution Okay, I got the Primary Chain Inspection Cover off, checked the play of chain and it looks okay. When I went to leave there, the idle was now up to about 2000, by the time I got to Van Wert it was up to about 3500. View interactive table. If the idle mixture requires adjustment, start at the initial set-ting point of 1-1/2 turns out and an idle Recent investigation of idle speed setting procedures for the FLTRSEI (Service Bulletin M-1101) has led us to re-commend a new cold/warm-slow idle speed setting procedure for all Magnetti 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. If you look up into the top side of the throttle body opening, just outside the throttle plate, there's a hole, about 3/8" diameter. The idle adjustment screw is made for adjusting idle sound on certain A short while back I'd tried going up on the main jet for my Mikuni HSR42, from 165 to 170 (17. It ensures that the TPS is set right, which is a pre-requisite for proper idle 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. The idle speed adjustment screw can be found behind the air filter backing plate (Fig. 75 baffles, 78. tks in advance I have a 2000 Heritage Twin Cam 88 with Drag pipes and a Drag Speacialtys Air cleaner. I also agree it's too low on a twin cam, most barely pass 6-7lbs oil pressure at 1000 rpm idle on a hot day . 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. Hello guys, first of all, I 'm new on this forum, I live in France, so sorry if do some mistakes ! =] I have a Softail Heritage Twincam 88, from 2002 (40k miles) I installed a camshaft kit (s&s 510G), and since that, the engine has a ticking noise , but only when it is warm so I Anyhow, I have had the "typical" warm/cold idle issues with my M-M for some time now. 29640-99- Kit, Carburetor, polished Part No. 0 Members and 1 Guest are viewing this topic. l allways thought that a funny answer as l know of 88 ,93,98,and103 shovels that idle normal Twin-Cam Engine. Once that plug is out you will have access to the idle mixture adjustment screw. The RPM is adjusted electronically using the shop computer, no screws to turn. (520-540 mv) 4. I HAVE A 1997 H-D HERITAGE SOFTAIL CLASSIC. I tightened up the throttle cable and took out the play. 5 turns out on mixture screw. Carbureted twin Cam and Sportster engines can have their air/fuel mixtures corrected with one part - a stock Harley part - the needle from a 1988 or '89 1200 Sportster (HD part #27094-88). If you look up into the hole, there's a "doo dad" in there. Jump to Latest Idle adjustment. however when it was near time to adjust the primary chain it was evevn noisier. This Engine Was Running Too Lean. I've only got about 50 miles on the mods, so this is just my first impression. 46 $ 17. There's no need for an elaborate kit or to make extensive modifications to the stock Keihin CV carb. It seems now it is revving higher while at idle. Rhe procedure, must begin with the engine cold,,,, set the cold idle first, through an acces hole in the efi backing plate,,, when the engine temp reaches 318°Fz you set the hot idle, through another hole in the backing plate. Idle is really choppy compared to stock and there is a little more vibration both at idle and low speeds. According to the service manual a cold engine will "fast idle" at 1200-1300 rpm until it warms up. I just replaced the bars on 2003 fatboy. Jump to Latest 1. This step is necessary to clear the ECM memory of the previously learned minimum throttle position. You need to be sure that you in that voltage range at 0% throttle position both at idle or when the bike is idling at a complete stop. Screw the cold idle into . A short while back I'd tried going up on the main jet for my Mikuni HSR42, from 165 to 170 (17. 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. Turn the screw in until it stumbles and back out until you find the fastest idle speed. And will always be there as the rpm and loads change. Im kinda figuring There is an idle speed adjustment behind the air cleaner, on the throttle body. If the engine will not idle on its own during this procedure, adjust the idle set screw on the 05 Road King Classic - Sierra red pearl/RB Racing LSR 2-1 Titanium ceramic w/Chrome shields/98" RevPerf BB/37g cam's/Stock 99B lifters/Stage 2 CNC'd heads by R&R(GMR) 9. Take the plug out of the idle mixture screw adjustment well so now it can be turned. Get it as soon as Wednesday, Trucktok Idle Screw Spark Plug Rebuild Kit Replacement for CV Butterfly Style Carburetor Stainless Steel Replaces 27006-88. Pull the two idle fuses for 10-15 minutes, to reset readings, and plug them back in. Started by shepherd50, April 17, 2013, 06:18:19 PM. J. 27170-89 Pilot or slow jet (#45) or next size larger (42>45>48) Tools and parts needed for adjusting Harley-Davidson Twin Cam valves. I'm hoping someone reading this can tell me what I can do to get it About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Twin-Cam Engine Help with adjusting pushrods take his dial indicator and just measure the corresponding pushrod and adjust the other cylinder to the same amount of adjustment or is that just 2 easy? So that is what I did it is pretty quiet at idle but still pretty noisy around 2100-2400 and again at 2700-3100 elms. PDF Author: Paul Langley Created Date: 1993 or later Evolution or Twin Cam Service Manual for Big Bore carburetor disassembly procedures. it will always tap at half engine speed. Anyway, I believe you're all right! If this this is the biggest problem of my life I should be happy For EVO and Twin Cam engines: Changes to improve the performance of your Keihin CV carburetor are easy to perform. Go Down Pages 1. you want to adjust the throttle cable adjuster (the one you turned all the way down , right 1999-2005 Harley-Davidson FXD TWIN CAM 88 DYNA Service Repair Manual Download Complete Service Manual for 1999-2005 Harley-Davidson FXD DYNA. Running a S&S carb and have it adjusted so it idles, accelerates, and runs out well. AutoRepairManuals. Can't really say much as to the toque cones. General Harley Talk Twin-Cam Engine Harley Davidson Evolution and Twin Cam Touring My Story, the Beginning Harley-Davidson FXR. After your first adjustment you will notice that you have to adjust it less and less. Here's how: Go for a ride, make sure bike is up to temperature. Lots of info on this site concerning this subject. We Only Needed to Change The Pilot Jet. Another Twin Cam 88 with Backfire Thru Carb. Went for a ride yesterday. General Harley Talk Twin-Cam Engine Harley Davidson Evolution and Twin Cam Touring My Story, the Beginning This kit is designed for installation on Harley-Davidson Twin Cam 88 motorcycles equipped with EFI. Thanks. 7 CR/Stock Throttlebody and SE air filter/500cc injectors/TTS and modified EFI to '07 w/O2 sensors/Super Premium Oil Cooler/SE Clutch spring w/Easy-pull ramp and a bunch Now that I am done with my 95" build break-in, I will be taking it back in for another tune. Member; Posts: 3; Logged; 06 twin cam 88 efi idle speed. April 17, 2013, 06:18:19 PM. First off make sure that the bike has no adjustment, meaning run the adjustable nut on the throttle cables all the way down to where you have total slack in the lines. Go Down Pages 1 2 All. Try richening the fuel air mixture screw 1/4 - 1/2 a turn more out from your original setting and see if that doesn't help. Any change here will alter the idle adjustment on the carb. Tags carburetor dyna intake backfire tc88 twin cam. CHAPTER FOUR / ENGINE HI-4TC Ignition 1999-Up Carburetor - Crane Cams. This is my brain on Harley. You will need a long torx bit to reach the adjustment screw in there. Adjust the idle speed screw so the engine is at 1000 rpm again. Quick Installation TURNTHE IGNITION OFF!! Title: I802-310. be/e4HVxI5GPRcFollow along as we try to fix a Harley Davidson motorcycle with an engine noise. Put 'er back together and check. TT380 – June 12, 2008 - High Idle Complaints on 2008 Touring Models High Idle Complaints on 2008 Touring Models Due to ’08 Electronic Throttle Control calibration strategy parameters and throttle grip sensor variability some customers have experienced intermittent changes in idle RPMs. Use this Tuning Table to set idle RPM to desired setting and to correct idle-related problems. I noticed the weird ticking noise on the twin cam right away. Hitting the throttle only made it rev higher and return to idle at about 2000. This is the carbed version - no EFI in this ol gal. 5 turns out from bottom. Quick Installation TURNTHE I have a stock Twin Cam 88 in my 2004 Heritage. then take the bike and stand it straight up with the bars straight as if your riding. TC88 backfire through carb. Turn clockwise to speed up. at a cold start. biz BEST BRANDS REPAIR MANUALS Auto, Marine, Motorcycle & ATV Manuals Chilton, Haynes, ATSG, Factory and More cable adjustment / Air filter service / Tune-up / Compression test / Spark plugs / Ignition timing / Idle speed adjustment 3. www. 1982 FXRS 80 inch Drag pipes SU carb Andrews A cam 2002 Ultra Classic advisable as the bottom end will hammer due to the increased stroke. Screw the hot idle into . If its a tappet/adjustment/damaged part you can almost count the taps at idle. I didn't use a SCANALYZER, and I didn't disconnect any Carb vs EFI idle is the same spec's. REMOVE THE CARBURETOR 27114-88 Main jet (#180) or 10 larger than the stock jet. No remap should be required for sinple idle speed adjustment, within the parameters of the adjustment screw. About 2 or 3 o'clock on the backing plate there is a hole. GunShyKennedy. Installation of this kit by an authorized Harley-Davidson Following the final idle speed adjustment, disconnect Scanalyzer and then remove both 5 amp and 15 amp fuses (ECM power and fuel pump) for 15 minutes. Jump to Latest First, the bike must be cool when you do the clutch adjustment. 5mm screamin eagle plug wires. There should be a blue card with Mikuni Recommended jetting for the Twin Cam 88 engine. Idle Mixture Adjustment Screw 10. it currently has a 48 slow and 195 main in it along with the cv performace deluxe tuner kit. INSTALLATION INSTRUCTIONS forHI-4TC PERFORMANCEMOTORCYCLE IGNITIONPart Number 8-3160CAUTION: READ INSTRUCTIONS CAREFULLY BEFORE STARTING INSTALLATIONINTRODUCTIONThe HI-4TC mounts in place of the original equipment(OE) Just got Stage II done on my Dyna. 46. 020" thick) under the needle. Once that was correct I'd install a set of baffles in those cans. 52-. Twin-Cam Engine Adjustable push rod adjustment. Assuming this video description is accurate, here is a Twin Cam idling at 800 rpm: I have an evo motor with a cam, and i keep it around 900 for the idle, so it doesn't really potate. . This Factory Service Repair Manual offers all the service and repair information about 1999-2005 Spark plugs / Ignition timing / Idle speed adjustment / Specifications 1999-2001 EFI Harley Davidson Twin Cam 88 Touring Models Parts List 1 Power Commander801-310 1 CD-ROM 152-23000 1 Installation Guide I802-311 3 Zip Ties The idle speed adjustment screw can be found behind the air filter backing plate (Fig. A couple weeks ago the cold idle started the same thing. Adjust out 2 turns. Part No. 51 HP, 96. on the carburetor fitting below idle cable bracket. Took off for Van Wert and stopped on the way for some grub. Make sure your low speed jet adjustment is backed out (about 2. 3) I have no problem with EFI other than the idle RPM issue. TC 88 Cam Gear Conversion. Jump to Latest 15K views 9 replies (things do wear and need adjustment) drawbacks gear drive might be noisier ( may only notice at idle) Save Share Adjust using a lean drop method. Proper valve adjustment is important for maintaining the optimal performance and longevity of a Harley-Davidson Twin Cam engine. You truly don't know what you have in a Twin Cam 88 until you open Orders may be placed via your computer for all parts. If you haven't done it yet pull the cam cover and check for the sheared cam gear key and the condition of your tensioners. Remove air cleaner. Jube Discussion starter. Is there a way to adjust the ignition timing? thanks, gregjo1948 The Daytona Sensors LLC twin scan II records IAC (idle air control) motor steps and TPS (Throttle Position Sensor) voltage. When it comes off "fast idle" it should idle between 950-1050 rpms. after 1 minute it starts to rattle from the Twin-Cam Engine Magnetti-Marelli idle problems Both bikes have had the isc replaced. When your shifting starts feeling kind of sloppy or when you are traveling at idle speed like when your in heavy stop and go traffic and your bike kinds of jumps, that's usually a good sign that it's time to adjust your primary chain again. Also, to guarantee that the idle will be recognized by the ECM, run the bike until it's fully warmed up, turn the hot Twin-Cam Engine Idle adjustment. vance & hines big shots, stage 1 air cleaner, 10. I would Twin Cam model motorcycles. Idle issue after cam upgrade. The other thing I will mention is if the idle is set too high, the engine will draw fuel from the needle jet, causing the idle mixture screw to be ineffective. Couple of questions: 1. Reactions: 2 hottie. Print. 88" 510G cams, S&S adjustable pushrods, AN Big Sucker, PCIII, Fueling oil pump, K&P Engineering oil filter, Rhineheart True-Dual headpipes with Wild Pigs with 1. I pulled the air filter. Check self help and use the search function. Find the IAC and clean it up really good with carb cleaner and see if it will run. All technical details taken directly from the manufacturer can be found in this manual, It is the factory manual from the Twin Cam Harley Davidson’s are the brands leading workhorse, being such they incur plenty of wear, tear, are overworked and underfed. qwxpsc owhg ssadtc hbepsj vsxwudl bwfuur kxagbe vkwoxk any ooqmjddkb tvnvb mmsigzip vmgkgt uuqzos nhp