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O.S. 21XZ-B V2 ABC VII Offroad Engine
O.S. 21XZ-B V2 ABC VII Offroad Engine

O.S. 21XZ-B V2 ABC VII Offroad Engine

Your Price:$259.00
Retail Price:$319.99
You Save:$60.99(19%)
Out of Stock.
Part Number:12183

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Engine Option

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O.S. 21XZ-B V2 Off-Road Engine with 22B2 Carburetor, Exhaust
Gasket, P3 Turbo Ultra Hot Glow Plug, yellow 7mm Carb Reducer,
Instruction Manual and two Dust Caps


Fuel: 10-30% nitro content, 20% recommended for break-in
Exhaust System: Depending on vehicle
Glow starter, fuel tubing and track equipment


Displacement: 0.213 cu in (3.49 cc)
Bore: .641" (16.27mm)
Stroke: .661" (16.8mm)
Practical RPM: 3,000-41,500
Power Output: 2.7 PS @ 34,000 RPM
Weight: 12.77oz (362g)
Distance Between Mounting Holes Same Side: 0.83" (21mm)
Distance Between Mounting Holes Opposite Side: 1.45" (37mm)
Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.4" (86.5mm)
Width of Mounting Tabs: 1.8" (45mm)
Distance from Backplate to Front Bearing: 2.5" (64.5mm)
Distance from Center of Crankcase to Front Bearing: 1.7" (44mm)
Distance from Center of Crankcase to Backplate: 0.81" (20.5mm)

Carburetor Settings, NOTE carburetor is preset at factory and
requires very small adjustments
Needle Valve: Gradually reduce factory needle valve setting in 15°
increments following instructions in manual
Metering Needle: After setting at optimum position run vehicle in
straight line and turn metering needle clockwise 15-30° to lean
mixture, or 15-30° counter clockwise to richen mixture
Throttle Stop Screw: Turn counterclockwise if engine runs too fast
with throttle closed

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