PM Tuning aluminium 70cc cylinder kit. This kit produces 13hp at 10000rpm. Fitting this kit may require adjustment of the carburettor and variator roller weights. It should only be fitted by someone with the mechanical ability and equipment to rebuild and set up the engine correctly . It is essential to increase the gear ratios to prevent over reving and reducing reliability of the engine.

PM Tuning aluminium 70cc cylinder kit. This kit produces 13hp at 10000rpm. Fitting this kit may require adjustment of the carburettor and variator roller weights. It should only be fitted by someone with the mechanical ability and equipment to rebuild and set up the engine correctly . It is essential to increase the gear ratios to prevent over reving and reducing reliability of the engine.