This article will allow you to easily replace your drive or ignitionar example. It will fit on all types of engines 2 50cc two-wheel time as 50cc motorcycles Aprilia, Derbi, Yamaha, Peugeot... or on all scooters and mopeds (Piaggio, MBK, Vespa...).
Be careful to check the diameter before, indeed there are different sizes of piston lock. To do this you can remove your spark plug using a 21 Flat Key, and measure the thread diameter, it corresponds to the piston lock to choose.
The piston lock Ø 14mm is compatible with almost all engines 2 time.
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