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A 55mm crank would need a 1.5 mm base gasket PLUS original gasket thickness for squish band to raise the barrel due to the crank stroke, 1.5...
Please don't be fooled with "performance" air filters on small cc scooters, the std air filter/box works great. Actually someone spent a few...
I can't see a bt49 ever hitting 45-50mph!
50cc mopeds, 125cc scooters.
Keep the petrol turned off, throttle wide open and then start it, it may be flooding the carb?
Stator plate?
I personally would use the std 180 variator and play with roller weights/clutch springs. Use std rollers and drill to lighten them, malossi wear...
Put a good ngk plug cap on it, not the lawn mower type. That coil look's wrong? are you using a vacuum petrol tap or manual?
Either return it or cut and lengthen the down pipe. Also get a new silent block fitted !!
There's a section in the Haynes manual on seal replacement, basic tools, slide hammer.
100% piaggio.
Being such an old scooter with parts discontinued you'd be better off selling it to me !!;)
Water pump seal ! And no you don't need to strip the engine to replace it.
Fit the biggest main jet it will run on without it bogging down on full throttle.
It's a 2 stroke, there is no oil to change, only the gearbox but that will be ok. You could possibly drain the 2t oil tank but that's it.
All calm down, I found it.
Doe's any know what it is please! cheers.
Clean/grease front brake caliper, wheel should spin freely after brake operation. revs are not a mot failure, check light switch and or wiring.
Sold !
Button on handlebar, relay or starter motor.
