O.S. ENGINES SPEED R2104 COMBO MAG TUNED

479,00 

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O.S. ENGINES SPEED R2104

ELABORATO MAG TUNED

Descrizione

Cylinder Liner

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

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

Inner Head

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

 

Crankshaft

Crankshaft

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

 

Carburetor

Carburetor

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

 

 

Product Specifications

Cylinder Type Nine port liner
Engine (Only) Weight 340g (11.99oz)
Cylinders Single
Product Width 45mm (1.8″) at mounting tabs
Product Height 91.2mm (3.6″), total height
RPM Range 4,000 – 45,000
Starter Type Bump
Power Type Glow
Plug Type OS RP7 turbo, cold heat range
Stroke 17.20mm (0.677″ )
Crankshaft Threads UNF 1/4-28
Displacement 3.49 cc (0.213 cu in)
Product Length 94mm (3.7″) backplate to of crankshaft
Bore 16.08mm (0.633″ )
Crankshaft Type Threaded

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