Cast iron big bore barrel bored to 53mm giving 93cc capacity.
Includes piston kit and topset to suit.
This is with the casting faults tidied, the barrel machined to accept the larger KX65 reed block and the extra port straight to the crankcase machined in.
Image is representative only (80 bore, non dykes ring piston kit)
When not in stock these items typically take two weeks to be completed.