Uprated high performance, high quality 50cc cylinder kit for Yamaha vertical air cooled mopeds.

This cylinder kit offers a respectable increase in power over the standard cylinder kit without increasing the 50cc bore size and at the cost of a regular standard replacement cylinder kit!
This is a 'sports' class cylinder kit meaning it gives a good performance increase without compromising reliability for everyday use.

Complete with cylinder, piston kit, rings, gasket.

Motoforce MF21.16835