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O.S. Engines

O.S. Engines 21XZ-B ABC

21XZ-B ABC

Competition-caliber performance!

stock#
LXAESB
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Add To Wish List Tech Notes Accessories Needed
O.S. 21XZ-B ABC delivers top-of-the-line power and performance for competition. The 21XZ-B improves torque and acceleration while reducing weight and the center of gravity.

  • 21J2 three-needle carburetor includes a 7 mm restrictor for fine-tuned control.
  • Long stroke allows for superior torque.
  • P3 glow plug, exhaust seal and dust cap set.
  • Unparalleled, speed-tuned power characteristics.
  • Provides improved fuel mileage and a stronger crankcase.


Specifications
Displacement: 0.21 cu in (3.5 cc) Bore: 0.6 in (16.3 mm) Stroke: 0.7 in (16.8 mm) Output: 2.5 hp @ 33,000 rpm RPM Range: 4,000-40,000 Weight: 12.6 oz (357 g) Requirements: Glow fuel, Muffler, Tuned pipe and Manifold


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