low rpm stalling

[mtrionfo]

Just to add another data point: My Capo's VIN ends in "000296". I picked mine up in April of 2002. I also received the sidecases free as part of the "First 100" promotion. Go figure. :-)

As for the stalling/stumbling problem, early on my Capo had very minor symptoms. After the first service (done at around 800 miles), it was pretty much gone. The mech said he synched the throttle bodies, though I can't say what tool (electronic or otherwise) he might have used. Now at 8K miles the bike continues to run great.

Also FWIW, when I first replaced the check valve (as described on Todd's site) it was done to relieve the severe negative pressure building in the fuel tank. The vacuum was strong enough to make opening the gas cap a challenge and noticeably suck in the sides of the tank. I suppose concluding it was connected to the low-rpm stumbling problem might indeed be a good example of "internet science" on my part. :-) However, for two bucks it's easy to try and it definitely cures the vacuum problem in the fuel tank.

rgds, Marty - 02 Silver Capo (#296!)

[wwm3r90s]

Well, my problem is similiar, but slightly different: Below 50 degrees F, my bike will stall when approaching a stop. It's almost as if I shut the key off. I can restart the bike, but it will stall immediately if I try to go to idle. The only remedy I found was to cycle the kill switch. After which the bike will idle fine if it's warmed up. Seems like my problem is a faulty sensor of some sort? Any ideas? BTW, if the outside temp is warmer than 50 then the problem doesn't seem to happen. Thanks for your thoughts, wwm3

[StuO]

Mine is #000311, so it appears the symptoms are ramdom.

[nick1pick]

000077, and I did have it re-mapped without any further problems. Bike now has 20 thousand miles on it, and continues to run like a top.

dave

[StuO]

Mine shudders and stalls while warming up at idle. I temporarily installed a hose pinch on the vapor-out line of the cannister and haven't been able to get it to misbehave since. Open the hose, and the problem returns. Of course, that isn't a fix. If it turns out the cannister is purging too early (cold engine) and flooding the motor, I'm not sure how I'd approach that.

[clint]

I had this sort of problem with my bike, finally traced it down to a bad coil, it was arkin from the main body to the frame, replaced and sorted. also put in iridium plugs