O.S. Engine OS-12175 - 21XZ-B O.S. Speed Spec II Off-Road Engine  [OS-12175]

O.S. Engine OS-12175 - 21XZ-B O.S. Speed Spec II Off-Road Engine
Price:
AUD$603.23
Brand:
O.S. Engine
Model:
OS-12175
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Features:

  • Lower fuel use providing 8per cent longer run times versus previous model, 21VZ-B V-Spec Speed
  • Tough, DLC-coated crankshaft features a silicone-filled intake passage for improved gas movement
  • a lesser center of gravity provides steadier automobile managing
  • a black colored anodized crankcase with ceramic ball bearings assists in reducing opposition and increase performance
  • Unparalleled, speed-tuned power characteristics
  • Race-proven 3-port sleeve with unique Speed variation internal head and porting for smoother acceleration
  • completely new 21J2(B) three-needle carburetor includes 6 mm, 6.5 mm and 7 mm restrictors for fine-tuned control
  • Long swing permits superior torque
  • Carburetor includes 6 mm, 6.5 mm and 7 mm carbohydrate restrictors to gain a competitive side!
  • A P3 radiance plug provides fast, simple begins in every environment conditions

Specs:

  • Displacement: 0.21 cu in (3.5 cc)
  • Bore: 0.6 in (16.3 mm)
  • Stroke: 0.7 in (16.8 mm)
  • Practical rpm: 4,000-40,000
  • Output: 2.56 hp @ 34,000 rpm
  • bodyweight: 12.5 oz (355 g)
  • Includes: 21J2(B) carburetor, P3 radiance plug, 6.5 mm carbohydrate restrictor, exhaust seal and dirt limit set
  • requirements: Glow gasoline, muffler, tuned pipeline and manifold

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