O.S. MAX engines for cars

O.S. MAX SILNIK B21

12-9576
Product available on request. If interested, please contact us by e-mail: sklep@modelemax.pl

Internal combustion engine from Japanese company O.S. Max for car models.

OS SPEED B21 Adam Drake Edition 3 has been developed in cooperation with international OS team driver ADAM DRAK, who is renowned for his deep knowledge and sound technical advice.
Thanks to the supercharger bypass system in the crankcase, the engine runs smoother, making it even easier to drive. ADAM DRAKE'S COLOR: Blue anodized aluminum is used in the cutting section of the new outer head, and two-tone anodized aluminum with a new design is used to reduce weight and lower the center of gravity and improve handling characteristics. There are two different carburetor restrictors to choose from, 6.5II for the buggy and 7.5 mainly for the truggy

Technical specifications:

  • volume: 3.49 cm3
  • piston diameter: 16.4 mm
  • piston stroke: 16.55 mm
  • power: 2.65 hp / 2.61 hp at 34,000 rpm
  • rPM range: 4 000 - 42 000
  • engine weight: 350 g

Kit includes:

  • motor
  • p3 glow plug

*Follow the instruction manual included with the product.