Have a gilera runner sp 180 on low revs sems to pull away really lumpy then goes well only when you come to a stop will take a bit of time to pull away have replaced the drive belt new oil pump belt new freeway exhaust new fuel pipe alsso air filrer plug seems wet most of the time e clip on slider needle is on the second notch mixture screw is turned out 1 half turns have orderd new petrol pump apart from that cannot think of any think else
I would suggest you do a compression test. Low compression could cause these symptoms.
However you haven't mentioned if the bike has any trouble when idling or if it is lacking power at all?
Testimonial: "thanks lee for your answer firstly she starts first time also ticks over realy good I have only had this problem when the nut came off the starter motor flywheel and I had to replace that wheel also fitted new oil pump belt drive belt and brand new vieriator all from the factory did not replace rollers as they looked ok also new exhaust I bought this scooter off my m8 who bought it new it has not had a de coke yet but will give it a pressure test bike does not lack power just when you want to pull away would you recommend cleaning the stator plate as this has never been replaced ether when the flywheel nut came off I checked for any damage and cleaned everything before putting new parts in there was no damage to the engine block when it made that noise I cut it off and sat it up till I had all the parts too fix will go and get a new plug today and will also let you know about pressure test thanks"
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