OS Engines O.S. Max 21Xz-R Ver.II

Brand: OS Engines

Part Number: L-OS13875


SORRY, THIS ITEM IS DISCONTINUED AND NO LONGER AVAILABLE.


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Designed for both effeciency and power the 21XZ-R can run a full 10 minute race heat on a single tank saving you valuable time in the pits!

The 21M carb has been optimised for smooth & linear acceleration.

• 1 piece crankcase
• 21M slide-valve carburetor
• DLC (Diamond-Like Carbon) coating
• ABC cylinder liner
• 7 scavenger ports & three exhaust ports
Specifications
Weight: 343g (12.1oz)
Displacement: 0.212 cu in (3.49 cc)
Bore: 16.27mm (0.64")
Stroke: 16.8mm (0.661")
Power Output: 2.71 hp @ 33,000
Practical RPM: 4,000 - 45,000
  • Brand: OS Engines
  • Part No: L-OS13875
  • Displacement: 3.5cc (0.21ci)
  • Starter: Flywheel Start

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