30.5cc motor. Ported intake, exhaust, transfers, matched exhaust and intake, WT-813 ported out, all gaskets and manifolds matched, transfers matched, 6001-RS ABEC3 SS bearings in cases, crankcase and transfer modification and matching, piston windowing, 2mm stroker crankshaft, "prototype" S1 with SiKK manifold, blah...
Fast weedeater motor.![]()