OS Engines Speed Tuned R2104

OS Engines

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O.S. SPEED R2104 is a factory tuned engine solely developed for 1/8 racing competition. The new engine boasts 9-port piston liner to improve torque in low-middle power range. It produces enough power as designed even in high traction tracks. The redesigned crankshaft counter weight enables smooth power transition from low to top. The 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 two colors; black and red.

Note: This video was made by the manufacturer of the product and therefore we are not responsible for its contents.

  • Newly design 9 port liner
  • Cylinder head uses a two-colour anodizing
  • Silicone O-ring in the inner head prevents the dirt coming inside and provides better sealing
  • Redesign crankshaft with new counter weight positioning

Technical Specifications:

Displacement: 3.49cc

Transfer Ports: 9

Crankshaft Type: 14mm SG

Carburetor Type: 8mm Slide

Material: Aluminium

Adjustment Needles: 4

Glowplug Type: Turbo

Exhaust Position: Rear

Fuel Type: 16% (Recommended)

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