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ProF · 07-06-2008, 04:18 PM

Yesterday I attempted to check the crank sensor, following the instructions that Glider posted, and got as far as trying to pull the sensor socket out of the little cubby behind the ecm that it sits in. I couldn't get it out far enough to separate the plug from the socket, and was afraid to pull too hard and break a wire somewhere.
I then went back to the gas cap issue, and removed the internal spring and valve in the cap, leaving an open vent.
Putting everything back together, I took it for a short ride. All was well, and I thought maybe, just maybe, it was the cap after all.
This morning, I started it up, and it ran perfectly for about 3 blocks. Then it started the sputtering, but only at low rpms. Once the bike got moving, it smoothed out. This went on for about 2 or three block, then all was perfect for a while. I stopped for a yard sale, and the bike started up again and rode perfectly home (about 10 blocks) until just as I turned into my street, it coughed and died. I waited a few seconds, restarted it with no problems, and it went the rest of the way home perfectly.
I live on a hill, so when I turn onto my street, I've already downshifted into 2nd, sometimes 1st if going really slow.

I read a few posts on another forum that had similar problems, and the comments there suggested that the crank sensor either works or doesn't. I thought maybe a loose connection on the sensor plug, but when I wiggled all the wires, nothing jumped out at me. Having been plagued by wires broken inside the insulation on my old bike, I always wonder about that problem.

Guess it's time to run it in to the indy and see what he says. It just bugs me that I've only had it 5 months and already there's a problem. It's 5 years old, but very well cared for, so I wasn't expecting this. Bummer.

07-06-2008, 04:18 PM	#7 (permalink)
ProF Warming The Wheels Join Date: 2008, Mar 17 Location: So. Cal. Posts: 127 My Mood:	Re: FI Problem? Yesterday I attempted to check the crank sensor, following the instructions that Glider posted, and got as far as trying to pull the sensor socket out of the little cubby behind the ecm that it sits in. I couldn't get it out far enough to separate the plug from the socket, and was afraid to pull too hard and break a wire somewhere. I then went back to the gas cap issue, and removed the internal spring and valve in the cap, leaving an open vent. Putting everything back together, I took it for a short ride. All was well, and I thought maybe, just maybe, it was the cap after all. This morning, I started it up, and it ran perfectly for about 3 blocks. Then it started the sputtering, but only at low rpms. Once the bike got moving, it smoothed out. This went on for about 2 or three block, then all was perfect for a while. I stopped for a yard sale, and the bike started up again and rode perfectly home (about 10 blocks) until just as I turned into my street, it coughed and died. I waited a few seconds, restarted it with no problems, and it went the rest of the way home perfectly. I live on a hill, so when I turn onto my street, I've already downshifted into 2nd, sometimes 1st if going really slow. I read a few posts on another forum that had similar problems, and the comments there suggested that the crank sensor either works or doesn't. I thought maybe a loose connection on the sensor plug, but when I wiggled all the wires, nothing jumped out at me. Having been plagued by wires broken inside the insulation on my old bike, I always wonder about that problem. Guess it's time to run it in to the indy and see what he says. It just bugs me that I've only had it 5 months and already there's a problem. It's 5 years old, but very well cared for, so I wasn't expecting this. Bummer. __________________ I doubt, therefore I might be.