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O.S. MAX-B21 1EG00

O.S. MAX-B21 1EG00

Original price was: $189.21.Current price is: $47.30.

SKU: SK0222876-US20260630-101428 Category: Tag:

The O.S. 21XR-B Ver.2 club-level nitro GT and off-road engine.
The power plant targets club level drivers and it features the 21J3 3-needle carburettor with 7mm and 8mm venturi inserts.
Tech 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

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