Loncin GX390 Engine
Degoverned & Low Oil Sensor Removed,
Ported, Polished & Skimmed Cylinder Head .100",
Diamond Cut Valve Seats
Dual Valve Springs
Lightweight Flat Top Piston,
4.510'' Extra Long Billet Conrod,
Billet Flywheel,
6* Advanced Timing Key
ARC Top Plate, Fuel Pump, Pulse Fitting & Fuel Lines,
110 Main Jet,
Debaffled Exhaust

Fast, reliable 25HP engine. Max RPM's 6000-6500.