GX200 Stage 1 Engine Specifications:

Loncin GX200 Engine,
Size 75 Main Jet,
140 Emulsion Tube,
18Lb Valve Springs,
8* Advanced Timing Key,
.010" Thin Head Gasket,
Valve Lapping,
Multi Angle Cut Valve Seats
Debaffled Exhaust,

Approx 9HP & 6500 Max RPM.