O.S. Engine 21XZ-R On-Road ABC w/21M  [OSMG2040]

O.S. Engine 21XZ-R On-Road ABC w/21M
Price:
USD$356.00
Brand:
O.S. Engine
Model:
OSMG2040
Condition:
Brand New
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The 21XZ-R On-Road ABC w/21M produced by O.S. Engine, is classified in R/C Models - Engine / Glow Plug - Car Engines

Packed with performance for on-road dominance!

O.S. is gearing up for triumph at major 1/8 scale on-road championships with the 21XZ-R ABC!
Tungsten-weighted crankshaft creates optimum stability for constant low- and mid-speed torque.

The cylinder liner features 7 scavenger ports and 3 exhaust ports for lots more efficient combustion.

The crankcase and 21M carburetor are newly designed.

Lighter piston.

Stronger con rod.

  • Inventory Number: OSMG2040
  • Displacement: 0.284 cu in (4.65 cc)
  • Bore: 0.728 in (18.5 mm)
  • Stroke: 0.681 in (17.3 mm)
  • Practical rpm: 4,000-38,000
  • Power Output: 3.31 hp @ 32,000 rpm
  • Weight: 13.1 oz (375 g)

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