TOP TPR 50mm stroker kit for the Minarelli AM6 family of engines. 50mm bore combined with the 44mm stroker crank converts your AM6 into an 86cc powerhouse.
Aluminum, nikasil plated cylinder kit featuring a large bridged exhaust. 2 piece cylinder head. Single-ring piston. Reinforced and balanced crankshaft. This package was put together with peak performance in mind.
Comes with crankshaft, crankshaft bearings, cylinder, head, two exhaust adapters, gasket kit, wrist pin bearings, and hose fittings.
TOP part number 9924240.