problem with engine decelerating

had a problem the other day after starting my moped with the engine actually decelerating when i turned the accelerator all the way up. it would start to rev if i turned it half way, but anywhere past that it started to rev lower. after about a minute the engine must have warmed-up and was accelerating to full speed again.

anyone know what causes this? thanx in advance..

Re: problem with engine decelerating

Dirty or out of adjustment carb probably.

Re: problem with engine decelerating

John Purchase /

Hey JJ--

I actually have a similar problem with my Motron. It seems to go away when it's fully warmed up, but when I first fire it up, it lags and sputters a bit off the line.

Any luck on a repair day with Dirkin for this weekend?




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