Fitting a faster cylinder? You MUST do this before everything breaks down!
Do you have a 25km/h crankcase or do you have a 45km/h crankcase.... It is almost mandatory to check this before fitting or buying a new cylinder!
The standard 25km/h crankcases are very cleverly limited by Puch, to make it more difficult to boost.
Of course, we can think of something to do with that!
All the steps you need to take to mount a 70cc too can be seen in this video. Which limitations are fitted to the engine and how you can 'adjust' them.
Enjoy watching, and leave a comment telling us what you like about this show!