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OS 21XZ-B SPEED II

Introduzione

For years top drivers worldwide have equipped their rides with O.S. Speed engines because they deliver race-winning performance — and the 21XZ-B Speed Spec II is engineered to take that performance to the next level! Special modifications make this power plant even leaner and meaner, and ready to take you to the winner's circle!

Maggiori dettagli

359,00 €

Prezzo ridotto!

-36,00 €

395,00 €

1513S

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Factory tuned for maximum performance!

For years top drivers worldwide have equipped their rides with O.S. Speed engines because they deliver race-winning performance — and the 21XZ-B Speed Spec II is engineered to take that performance to the next level! Special modifications make this power plant even leaner and meaner, and ready to take you to the winner's circle!

  • A lighter crankshaft, with DLC coating, Tungsten weight and silicone-filled intake passage
  • Modified piston and con rod that reduces overall weight
  • Newly designed outer head with V-shaped fins for lower CG and more efficient cooling
  • Dual-adjustable 21J carburetor for smoother acceleration and better fuel mileage
  • A 6.5 mm restrictor is installed; 6 mm and 7 mm restrictors are included

 

Stock Number: OSMG2052
Displacement: 0.213 cu in (3.49 cc)
Bore: 0.641 in (16.27 mm)
Stroke: 0.661 in (16.8 mm)
Practical RPM Range: 4,000-42,000
Output: 2.65 ps @ 34,000 rpm
Weight: 12.52 oz (355 g)
Includes: 21J carburetor, 6 mm and 7 mm carb restrictors, P3 glow plug, exhaust seal and dust cap set
Requires: glow fuel, muffler, tuned pipe and manifold

Prodotti Correlati

OS 21XZ-B SPEED II <h2>Factory tuned for maximum performance!</h2> <p>For years top drivers worldwide have equipped their rides with O.S. Speed engines because they deliver race-winning performance — and the 21XZ-B Speed Spec II is engineered to take that performance to the next level! Special modifications make this power plant even leaner and meaner, and ready to take you to the winner's circle!</p> <ul> <li>A lighter crankshaft, with DLC coating, Tungsten weight and silicone-filled intake passage</li> <li>Modified piston and con rod that reduces overall weight</li> <li>Newly designed outer head with V-shaped fins for lower CG and more efficient cooling</li> <li>Dual-adjustable 21J carburetor for smoother acceleration and better fuel mileage</li> <li>A 6.5 mm restrictor is installed; 6 mm and 7 mm restrictors are included</li> </ul> <p> </p> <p><span>Stock Number:</span><span> OSMG2052</span><br /><span>Displacement:</span><span> 0.213 cu in (3.49 cc)</span><br /><span>Bore:</span><span> 0.641 in (16.27 mm)</span><br /><span>Stroke:</span><span> 0.661 in (16.8 mm)</span><br /><span>Practical RPM Range:</span><span> 4,000-42,000</span><br /><span>Output:</span><span> 2.65 ps @ 34,000 rpm</span><br /><span>Weight:</span><span> 12.52 oz (355 g)</span><br /><span>Includes:</span><span> 21J carburetor, 6 mm and 7 mm carb restrictors, P3 glow plug, exhaust seal and dust cap set</span><br /><span>Requires:</span><span> glow fuel, muffler, tuned pipe and manifold</span></p>
359,00 €