• -£49.01

O.S. SPEED 3.5cc R2104

IN STOCK NOW.     ** WORLD CHAMPIONS 2019 ** 

Available as Motor only or with OS Pipe & New 'O2' Manifold, Springs and Gaskets. See Drop-Down box.

This New 9-port power plant was developed with this year's IFMAR 1/8th Nitro On-Road World Championship* in mind. It features an updated piston and liner design that increases overall torque, while the DLC coated crankshaft offers improve transition from low to high rpms. The engine also sports a new combustion camber insert with a silicone O-ring, adapted from O.S. Engine’s off-road engines, preventing dust and dirt contamination. The R2104 is rounded off with a new design cooling head in a 2-tone black and red finish with white laser-engraved graphics.

• The cylinder liner uses a new 9 port design
• The cylinder head uses a two-colour anodising 
• Increased fin pitch achieves both cooling performance and weight
  balance

• Equipped with 21M2 (B) slide carburettor.

Specification

Displacement: 3.49cc
Bore: 16.08mm
Stroke: 17.20
Power Output: 2.76/35,000 (BHP/rpm)
Practical RPM: 4,000 - 45.000rpm

Available as Motor only or with OS Pipe & New 'O2' Manifold, Springs and Gaskets (saving over £80
See Drop-Down box.

£449.99 Save £49.01
£499.00
VAT included Usually 10-14 days
PIPE & MANIFOLD
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