Not many people get to see these rare engines.
I will share some photos of a rebuilt I did.
new cylinder gaskets (head & base gasket)
serviced crankshaft / installed ina bearings small and large needle bearings
Ported 38mm factory racing cylinder kit
5 coil contra spring the stock was 4 coil
new vario pulleys
new vario plate
thicker then stock red gummy clutch shoes
nos clutch springs
nos ks starter gear
If anyone has manuals or knows more then I do about this please enlighten me. Thanks, Ed