OS Speed engine Max-21XR-B VER. 3 Off Road
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O.S. Engine MAX-21XR-B Ver. 3

Specifications:
- Displacement: 3.49 cc
- Bore: 16.27mm
- Stroke: 16.80mm
- Intake ports: 3-port
- Practical RPM range: 4,000 – 40,000 rpm
- Max. power output: 2.42 hp / 34,000 rpm
- Weight: 380Gr

OS1CY00
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