Moped cuts out when i sit onit

I have peugeot viva city 50cc. She starts up fine but when i sit on it it just cuts out. So when weight is applied its obviously putting pressure on somthing. But what? I don't know much about bikes, so any suggestions would be helpful.

Cheers

Re: Moped cuts out when i sit onit

Leon Swarmer /

woo hooo, a new challenge? can you tell us how it cuts out?

does it gradually lose power and sputter or is it like shutting off the kill switch?

first guesses would include a fuel line that gets squeeezed bby the seat or suspenion parts, or a wire with bad insulation/connection.

Leon

Re: Moped cuts out when i sit onit

Travis Hill /

My guess would be your clutch is sticking and when the back wheel hits the ground it cuts off?

Re: Moped cuts out when i sit onit

possibly too much air or fuel, a possible solution would be cjanging the jet. my puch did the same thing and when i changed the jet it was fine again

Re: Moped cuts out when i sit onit

It more like hitting a kill switch. I think it is something being sqezzed by my weight, cause when its just about to cut out, if i hop off it will rev normally

Re: Moped cuts out when i sit onit

Leon Swarmer /

does this happpen whether or not the back tire is on the ground?

Re: Moped cuts out when i sit onit

how much do you weigh?

Re: Moped cuts out when i sit onit

I weigh 11 1/2 stone, Im not too sure but i think it cuts out even on the stand.

Re: Moped cuts out when i sit onit

Leon Swarmer /

Are there any wires dirctly under the seat?

Is there a bettery? I'd be checking for bare spots in the wiring.

Re: Moped cuts out when i sit onit

Im ganna venture a guess, that when you sit on it, it is pinching the fuel line closed.

Re: Moped cuts out when i sit onit

Ben Van Zoest /

Does it have some kind of add-on anti theft device you'r not aware off or safety (ignition interrupt) switch like riding lawn mower seats? Otherwise look for blue wire touching chassis ground anywhere...

Re: Moped cuts out when i sit onit

Went home after work last night and tried sitting on the bike on the stand, and it didn't cut out. So i check the fuel line, it did'nt seem to be squeezed, but i gave it a bit of slack anyway, and presto back in action. So cheers for everybodys help.

No more cycling to work.

Re: Moped cuts out when i sit onit

Ben Van Zoest /

Genius you'r my man clever fix...

Re: Moped cuts out when i sit onit

Edwin Johnson /

how bout a diet????

lol

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