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O.S. Speed R2104 1/8 Nitro Engine [VIDEO]

O.S. Speed R2104 1/8 Nitro Engine [VIDEO]

From O.S. Engine:
The O.S. SPEED R2104 is a factory tuned engine solely developed for 1/8 racing competition. This new engine boasts 9-port piston liner to improve torque in low-middle power range. It also produces enough power as designed even for high traction tracks. The redesigned crankshaft counter weight enables smooth power transition from low to top. Distance of each fin of the heat sink head is enhanced for better air flow for cooling and better balance. The heat sink head is anodized in both black and red for a high contrast and powerful aesthetic.

Cylinder Liner

This new engine boasts a 9-port piston liner to improve torque in low-middle power range. It produces enough power as designed even for high traction tracks.

Outer Head

Distance between the cooling fins is enhanced for better air flow and better balance. The heat sink head is anodized in two colors: black and red.

Inner Head

A silicon O-ring fit to the inner head prevents dust from coming into the engine.

Crankshaft

The redesigned crankshaft counter weight enables smooth power transition from low to top.

Carburetor

The carburetor is 21M2(B), which has been proved to be consistent and reliable for generations (R2101, 2102, 2103)

Compatible Products

OS Engines O.S. Speed R2104 1/8 Scale Engine OSMG2025 is compatible with OSMG2026.

Specs:

Bore: 16.08mm (0.633″ )
Carb Type: Slide valve
Crankshaft Threads: UNF 1/4-28
Crankshaft Type: Threaded
Cylinder Type: Nine port liner
Cylinders: Single
Displacement: 3.49 cc (0.213 cu in)
Engine (Only) Weight: 340g (11.99oz)
HP: 2.8 ps / 2.76 hp at 35,000 RPM
Height: 91.2mm (3.6″), total height
Length: 94mm (3.7″) backplate to of crankshaft
Plug Type: OS RP7 turbo, cold heat range
RPM Range: 4,000 – 45,000
Recommended Fuel: 10 – 30% nitro content, 20% recommended for break-in
Starter Type: Bump
Stroke: 17.20mm (0.677″ )
Type: 1/8 scale buggy engine
Width: 45mm (1.8″) at mounting tabs

#OSMG2025 – O.S. Speed R2104 1/8 Scale Engine – $599.99
#OSMG2026 – O.S. Speed R2104 1/8 Scale Engine with T-2080SC II Silencer Set – $719.99
Visit O.S.Engines.com
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O.S. Speed R2104 1/8 Nitro Engine

O.S. Speed R2104 1/8 Nitro Engine  O.S. Speed R2104 1/8 Nitro Engine O.S. Speed R2104 1/8 Nitro Engine O.S. Speed R2104 1/8 Nitro Engine

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Updated: August 15, 2019 — 2:30 PM

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