Scooter dies when coming to a stop (..sometimes...)

Trying to get your Spree/Elite to run, or run better? Post your questions here.

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deanald
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Scooter dies when coming to a stop (..sometimes...)

Post by deanald »

My spree that I've been working on FINALLY runs now (yay)

but if I'm cruising and then quickly come to a stop the engine typically will die. It seems like it needs way more air because it kind of sounds like it's suffocating. But, if i give it some gas for a few seconds it'll settle into a high idle. I don't really want to give it more gas in the idle mixture because it idles fine.. it just seems like it's sluggish about "shifting gears" or something.

Can anyone understand what i'm talking about? :lol:

Please help, after so many problems I feel so close to victory :D

Thanks, y'all.
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Wheelman-111
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Dirty Carb

Post by Wheelman-111 »

Greetings:

When you close the throttle in preparation for a stop, the engine may be pulling in excess fuel - makes sense as the throttle blocks most of the incoming air. Opening the throttle allows the engine to clear out the wet stuff - eventually.

The filter is the first thing I'd check because it's easy. If that foam feels funny - sort of squishy instead of "springy" it may simply be time for a new element.

If it's not the filter, your carb may be clean enough to run, just not well.

Readjust your mixtures after any changes you make - it might be set too lean - as it stands - after a new filter goes on.
Wheelman-111
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
deanald
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Post by deanald »

thanks, I definitely didn't think to check the filter. I'll try that. 8)
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kentdog007
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Mine too.

Post by kentdog007 »

My 86 Spree dies at a stop; usually if there is any grade involved. Lots of times I am going from a pretty good click to my eventual parking spot, it will die when I let back on the throttle; usually have enough momentum to coast into my spot. Also it dies when going down an incline without using throttle. I start it at the top of my steep driveway and when I take it off the stand and point it down the hill it wants to quit.

My carb seems to leak fuel, not sure how bad but I notice a drip from the clamp that secures the air intake from the filter box.
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Wheelman-111
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Floating Away

Post by Wheelman-111 »

Greetings:

FLOAT VALVE malfunction. Search the Phorum.
Wheelman-111
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
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