[Midget66]

When taking off from a dead stop, idle is at 950, the engine hesitates or stutters just a tiny bit between1500 and 2000 RPM. I have a VBAK with V& H longshots and ais block off. When I take off at a quick pace the problem is non existent. I know, always rip it. Well traffic here in Houston is a bi%^h sometimes and this is driving me crazy. I have tried every map file known without any success (currently running desert warrior) and I have checked plugs/wires/hoses and searched the site for the same issue.. no joy. Any suggestions?.

 

[arizonawarrior]

You don't have anyGallery info to show what year and what mods.


Look for the DOWNLODS link above. Click to DOCS and look a couple pages back for how Yami marks the VIN plate when recalls are done because your condition could be a TPS/CPS issue. Or it could be a PC tuning issue, or could be dirty filters and nasty plugs. With nothing to go on, I have to pass.

 

[Midget66]

Sorry bout the lack of info..2002, 8800miles, owned for a year. All recalls are done. K&N filters are new, plugs are new and rechecked. As said, many, many, many map files attempted.

 

[Loren78]

Do you by chance have an older PCIII? Did you do the "perfect" install?

If so,




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Link

 

[Loren78]

Not sure what all the style stuff is about, but it won't let me delete it. The link works though.

 

[Midget66]

I do have the serial (old) PCIII. the person I bought the bike from had the Power commander box with a printout of the perfect PC install inside. I checked the wiring and it is correct.

 

[Midget66]

I rechecked all of the plug wires and went for a ride. I found that if I decel slowly the hesitation occurs in the same rpm range. If I hold it there between 1300 an 1900 rpm it will hesitate the whole time. Right now I dont know if it is fuel or electrical related.

 

[deerom]

it still could be your tps, even if you had the recall done. they had to do mine twice because the new one they installed was out of specs.

 

[moi2]

Hello, I have a similar problem, since 1 years when I search resolution. The cold motor problem is away, After 2 minutes of warming. At first, engage the clutch delicately, the motor always has hesitancy and sometimes intake backfire unpleasant and dangerous especially in turn because sometimes the motor stalls. The 3 sondes has temperature proved, recalls all made. Changed plugs, vacuum proved all ok, no leak.I enriched and impoverished mixture with help of ECU l without any results, always the same problem. If somebody has a suggestion would have appreciated. I think seriously has deposit a match in the reservoir.