The Motoforce Racing 50cc Aluminium is a top-grade mid-race cylinder kit with a price/performance ratio that is hard to beat.

In fact, you'll get this mid-race cylinder for the same price that will usually buy you a humble sport cylinder from one of the better-known manufacturers.
This cylinder is made of aluminium, thus offering excellent thermal properties. The nikasil-coated liner ensures minimal wear and therefore great durability.
This is a mid-race kit which is high revving and produces higher power than a 'sports' kit.

Fits Minarelli horizontal (air cooled) mopeds, also CPI (up to '03 (10mm gudgeon pin)

This cylinder kit requires a BR9HS spark plug.

10mm gudgeon pin.

Motoforce MF23.16655