Heavyweight crankshaft assembly with all new spindles, new crank pin and new forged and polished conrod with needle roller. Big end new, little end with 16mm bush, all crankshafts are balanced.

Includes a range of gaskets.

230cc / 250cc Piston Kit

To go with the 230cc / 250cc cylinders.

3 different types

Fully refurbished with new phosphor bronze guides and valve seats, re-cut as new.