T5 classic over running

[dave74]

Hl to all you scooterist's can you help with my problem i have a t5 classic standard and just got a simonini pipe on it yet when its been thrashed and if you pull the throttle on full say at lights it just keeps reving and wont turn off at the key you have to slap it in gear and stall it totally blagging me thought it was air mixture screw but not that could it be a wrong plug h e l p !!!!!

[elviswasamod]

hi, i dont understand what you mean are you saying the ignition doesent work

[dave74]

i mean to try turn it off i turned the ignition off but it still kept revving

[joey]

Clutch side seal gone.
Air is being sucked in through the gearbox and causing your scoot to run very weak and overheating.
Take your gearbox oil drain plug out and allow a small amount of oil to drain. If you can smell petrol in the oil then it's an engine strip mate.