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Stalling

I jinxed myself, I stalled yesterday 3 times in a parking lot 3 times 10sec. apart than ok up to now. The next 52 miles have been fine. ohwell will see.
 
My C600 Sport is stalling sometimes when I twist the accelerator sharply, but only when the engine is cold (in the first 2-3 min of driving).
When the engine is warm I don't have any issues.

Anyone else has the same issue?
 
My C600 has had stalling issues several times. so far both days it did it were warmer than previous days, and my fuel was below half. I am still building a time/fuel level/temp analysis to take to the dealer, I always go with ammunition. mostly it's just annoying, as I slow down to a stop, the idle goes down and before a full stop it dies. It starts right back up, but at times it, every slowdown and stop, which is alot in stop and go traffic.
I have heard of other bikes with the issue, some say it is the evap canister hose routing, others say fueling, I will wait until I have enough data to get a good diagnosis from teh dealer.
 
I have stalled several times. I don't really know why it is at all to be honest. Everything seems fine so, doesn't seem to be anything serious.
 
I would check the gas your using the ethanol may be breaking down to water I use Staron great stuff keeps the ethanol from breaking down
 
1 stall yesterday, one today. Low speed. Bike was warmed up. This seems dangerous. I'm using Shell premium, doubt its the gas. The bike had very mild surges at idle before the stalls.
 
Stalled once at about 625 miles and now experienced multiple times after 3,400 miles.

Note: All U.S. scooter owners should report stalling problems to the National Highway Traffic Safety Administration. Once they get enough complaints, they'll investigate and possibly issue a recall. Stalling in traffic is a very dangerous situation. More here: https://www-odi.nhtsa.dot.gov/ivoq/
 
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Amen

ScooterRaton said:
Stalled once at about 625 miles and now experienced multiple times after 3,400 miles.

Note: All U.S. scooter owners should report stalling problems to the National Highway Traffic Safety Administration. Once they get enough complaints, they'll investigate and possibly issue a recall. Stalling in traffic is a very dangerous situation. More here: https://www-odi.nhtsa.dot.gov/ivoq/
Click to expand...

PLEASE file a complaint if you've had a stall. Stalling is a potentially deadly situation.
 
This was posted on Modern Vespa Forum:

"I have a C650GT, mine had the stalling issue. We noticed that it had the hose to the evap canister routed incorrectly and after the dealer rerouted it properly and re-calibrated the idle stepper motor and FI at the first service at 550 miles or so, it has not stalled again, not once (now up to 4k+ miles), so I think this problem turned out to be not as serious as we first thought it might be."
 
I was speaking with my mechanic today and I asked him about the stalling question. He said he'd fixed one bike where it had been overfilled and the evap canister had become saturated. The second instance was a bad O2 senor. Other then that he's not seen or heard of any issues with stalling.

He offered a good suggestion. Fill your bike with the bike on the side stand. In that way you will not overfill your bike.
 
ScooterRaton said:
Stalled once at about 625 miles and now experienced multiple times after 3,400 miles.

Note: All U.S. scooter owners should report stalling problems to the National Highway Traffic Safety Administration. Once they get enough complaints, they'll investigate and possibly issue a recall. Stalling in traffic is a very dangerous situation. More here: https://www-odi.nhtsa.dot.gov/ivoq/
Click to expand...

ScooterRaton - you stated on a posting in Modern Vespa that your stalling problem was resolved. How was it resolved? It appears that your original post has been picked up by other forums and has caused concern among potential buyers. I know you enjoy your BMW and for the sake of not scaring away potential owners of this great line of scooters you might post the fact that your problem has been resolved.
 
My grip heater button stuck and needed to be replaced. The button assembly includes the kill switch. Since it has been replaced (done during 6K mile service) I have not had a single stall in the last 1500 miles. Al along I thought it was the kill switch. I really don't know but maybe I was right.
 
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