cap'n
Junior Member
Yeah I guess that's true.
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Ok, update: Cap'n is stupid, and possibly lazy. Or maybe that's lazy and possibly stupid. Let's just be safe and say both.
Sure, my bike was idling at 1400 rpm's, when I first crank it, and the ecu runs it higher to warm it up. And then apparently I've NEVER looked back down once it's warm to see what the "warm state" idle is set to these days... turns out I was idling around 800 after the first 30 seconds, when the bike stops the fast idle command. That means at second 31 or so, the bike is nowhere near fully warmed, but the idle drops to 800, causing my problem if/when I clutch it in the first 1 or 2 mins of riding. So as I left work and was cruising down the back roads, I tried to replicate the gremlin problem, and had NO trouble doing it. The coolant temp was reading 125 (warming up but not at the 180-195 it would soon be at when fully warmed), I pulled the clutch, and bingobango, dead engine rolling down the road. I hit the starter, pulled over into a state park parking lot, got out a screwdriver, and adjusted it up to 1400, which feels really high because of how long I've had the thing idling down at 800-ish. No more problem.
(smacks forehead)
I've had it happen after rolling down hills (10% grade) in 6th gear using engine braking. When I get close to the hairpin near the bottom of the grade and want to downshift, I have to remember to blip the throttle either right before or as I pull the clutch lever. If I don't, the engine sometimes stalls. I don't think the engine's getting fuel under engine braking, and then once I pull the clutch and take the load off the engine, it stalls before it gets fuel. I don't think it's ever happened except after engine braking and it idles fine. Given the right circumstances, I could probably replicate the problem on flat land, but I can't remember it happening to me except declining mountain passes. It's never been too much of a headache, so I'm just going to ask the tech to sync the throttle bodies and check the idle speed when I take it in for new plugs soon.
Nah, I keep it topped off. It's happened a few times. Fuel level is not an issue.
Yeah, after the first time a month ago. It just happened saturday morning, twice in rapid succession. Nothing this morning though.
Could a kinked gas tank vent tube do this? (I'm fishing for answers here)
I've had this happen with my FZ6 when I had from the day I got it. It only seemed to happen if the engine was not fully warmed up. I'd be gently ride down the street, pull in the clutch and the engine would die. Let the clutch out and she'd start and run normal. I always got the feeling it was from a glitch in the software and a certain combination of inputs. After I put the PClll on it and had it dyno'd it never did it again.
I've seen this complaint a number of times on the FZ6 and really think it's fuel management related through the ECU....Certain combo of inputs = fuel off. Pay attention to engine temp when this happens. Is the engine fully warmed? For me it was almost to temp but not fully warmed up.