Motore O.S. Speed 21XZ-B Spec III

Speed 21XZ-B Spec III
GTIN: 4531028023635
Marca:: O.S. Speed
Disponibilità immediata
Spedizione gratuita

Speed 21XZ-B Spec III

Taking 1/8 power to the next level.

The 21XZ-B Spec III is the evolution of a proven powerhouse that has been a winner at numerous races worldwide. With upgrades that enhance its performance and drivability you'll hear the difference in the engine's roar when warming it up. Once you've experienced the speed and power of the Spec III, you'll be on the fast track to the winner's circle!

  • Long stroke engine provides more torque
  • Enhanced low-to middle-range torque provides a great advantage on tracks that require lots of power
  • The newly developed cylinder liner features 3 scavenger ports and 3 exhaust ports, and works with the crankcase to deliver more power with less fuel consumption
  • The drop-in type outer head is now lighter, with a lower CG
  • Silicon-potted, DLC-coated crankshaft with pressed-in tungsten weights
  • Easy-to-tune 21J carburetor with 6.5 mm restrictorStock Number: OSMG2060
    Displacement: 0.213 cu in (3.49 cc)
    Bore: 0.641 in (16.27 mm)
    Stroke: 0.661 in (16.80 mm)
    Practical rpm: 4,000-42,000
    Power Output: 2.61 hp/2.65 ps @ 34,000 rpm
    Weight: 12.45 oz (353 g)
    Includes: Turbo P-3 plug
    Requires: glow fuel, tuned pipe and manifold



Dal Lunedi al Sabato
Dalle 9.00 alle 13.00
Dalle 16.30 alle 20.00
Sabato pomeriggio chiusi

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Per ordini superiori ai 100 €

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