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Technical | How To / No power on pronto 50cc
« on: January 17, 2017, 12:17:46 PM »
Hi everyone I am a newby from Oz and recently bought my son a 50cc Bug pronto (Yup50?)
It starts first time and idles smoothly but at full throttle won't get more than 20kph and can't even make it up the smallest hill.
So far I have:
-replaced drive belt
-checked rollers (but didn't check diameter just for flat spots)
-New fuel filter
- checked air cleaner
- cleaned carby
- New spark plug
Still no luck! Any ideas where I should go from here?
My thoughts are to do a compression test next and also check the rollers for diameter.
Your suggestions welcome.
It starts first time and idles smoothly but at full throttle won't get more than 20kph and can't even make it up the smallest hill.
So far I have:
-replaced drive belt
-checked rollers (but didn't check diameter just for flat spots)
-New fuel filter
- checked air cleaner
- cleaned carby
- New spark plug
Still no luck! Any ideas where I should go from here?
My thoughts are to do a compression test next and also check the rollers for diameter.
Your suggestions welcome.