O.S. Engine OSMG2105 18CV-RX (S) ABC Short-Crank Nitro Engine  [OSMG2105]

O.S. Engine 18CV-RX (S) ABC
Price:
NZD$0.00
Brand:
O.S. Engine
Model:
OSMG2105
Please kindly input your name and email address, we will inform you once we have the restocking.
Or you may find similar product under the
category
Write a review

Small Package, High Revving Nitro

O.S. Engine OSMG2105 18CV-RX (S) ABC brings compact 3.0 cc nitro performance to 1/10 scale off-road models. Its compact footprint and tuning potential make it a practical choice when space is limited.

Carburetion and Installation Notes

The 11J dual-needle rotary carburetor on this engine allows fine tuning of idle and mid range response. The short crankshaft design eases installation into tight engine bays, and the built-in recoil starter gets you running without extra starters.

Performance Figures and Weight

With a displacement of 0.18 cu in (3.0 cc), bore 0.629 in (16.0 mm) and stroke 0.590 in (15.0 mm), the engine runs across 3,000 to 32,000 RPM and reaches 1.35 hp at 28,000 rpm while weighing 10.4 oz (296 g).

Specifications

  • Displacement: 0.18 cu in (3.0 cc)
  • Bore: 0.629 in (16.0 mm)
  • Stroke: 0.590 in (15.0 mm)
  • Practical RPM: 3,000-32,000
  • Output: 1.35 hp @ 28,000 rpm
  • Weight: 10.4 oz (296 g)
  • Includes: 203 air cleaner
  • Requires: glow plug, manifold, muffler or tuned pipe

A good match for experienced hobbyists who need a compact nitro option for 1/10 scale buggies and trucks, the O.S. Engine 18CV-RX (S) ABC balances weight and revs for lively on-track behavior.

Will the short crankshaft require special mounting hardware?

Most 1/10 chassis accept short crank engines with common manifolds, but you should check motor mount spacing and manifold angle for a clean fit before buying.

What items are included in the box?

The package includes the engine and a 203 air cleaner. You will need to add a glow plug, a manifold and a muffler or tuned pipe to complete the installation.

How should I approach carb tuning for off-road use?

Start with conservative needle settings and tune gradually while observing temperature and throttle response. Small adjustments help find a balance between performance and engine safety.

Copyright © 2008-2026 rcjaz.co.nz All rights reserved