O.S. Engine 21XZ-R On-Road ABC w/21M [OSMG2040]

Price:

£282.80

Brand:

O.S. Engine

Model:

OSMG2040

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Description

Filled with performance for on-road dominance!

O.S. is gearing up for triumph at major 1/8 scale on-road championships utilizing the 21XZ-R ABC!
Tungsten-weighted crankshaft creates maximum stability for constant low- and mid-speed torque.

The cylinder liner features 7 scavenger ports and 3 exhaust ports for substantially more efficient combustion.

The crankcase and 21M carburetor are newly created.

Lighter piston.

Stronger con pole.

Stock volume: OSMG2040
Displacement: 0.284 cu in (4.65 cc)
Bore: 0.728 in (18.5 mm)
Stroke: 0.681 in (17.3 mm)
Practical rpm: 4,000-38,000
Power manufacturing: 3.31 hp @ 32,000 rpm
Weight: 13.1 oz (375 g)

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O.S. Engine 21XZ-R On-Road ABC w/21M [OSMG2040]