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- Engine cases
Engines - Brand
- Honda
- Model
- GY6-150
RUCKUS - Displacement
- 300cc
- Stroke
- 4T
- Engine
- 157QMB
- Piston size
- 75mm
- Crankshaft size
- +8.2mm
Set 300ccc for GY6 upgrade with special 157qmb cylinder block, Yamaha TTMRC four valves cylinder head, L/c ceramic big bore cylinder, long stroke crankshaft and rocker arms with high angle camshaft.
Valves size: Ex27/In30.
Piston: 75mm (wrist pin 15mm).
Crankshaft: +8.2 long stroke.