O.S. Engine OSMG2105 18CV-RX (S) ABC Precision Nitro Motor  [OSMG2105]

Precision Tuned Nitro for 1/10 Scale

The O.S. Engine 18CV-RX (S) ABC, part number OSMG2105, is engineered for 1/10 scale RC cars and trucks that demand controllable nitro performance. Its compact form and tuning range make it suitable for competitive hobbyists and club racers.

Tuning Capabilities and Starter Design

The engine is equipped with an 11J rotary dual-needle carburetor for accurate mixture control across the rev range. A short crankshaft streamlines mounting in constrained engine bays, and the recoil starter provides a dependable way to get going at the track.

Key Measurements and Output

This unit displaces 0.18 cu in (3.0 cc) with a 0.629 in (16.0 mm) bore and 0.590 in (15.0 mm) stroke. It is usable from 3,000 up to 32,000 RPM and is rated at 1.35 hp when spinning at 28,000 rpm, with a mass of 10.4 oz (296 g).

For those upgrading a 1/10 scale kit, the O.S. Engine 18CV-RX (S) ABC provides a compact, high revving option that supports fine tuning and reliable starts.