O.S. SPEED R2104 1C600

New OS Speed R2104 replacing the O.S. SPEED R2103

Features:

• The new engine has a redesigned 9-port liner to improve torque in low-middle power range.

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

• Distance between the cooling fins is enhanced for better air flow and better balance. It also features an anodized in two colors; black and red.

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

   

Specifications

Content: 3.49 cc 
Bore: 16.08mm  
Stroke: 17.20mm  
HP: 2.8 ps / 2.76 hp at 33000 r.p.m.
Practical range: 4000-45000 r.p.m.
Weight: 340g