OS Engines Speed Tuned R21 GT
Ready to tear up the track! |
Characteristics:
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Technical Specifications: Displacement: 3.49cc Transfer Ports: 5 Carburetor Type: 7mm, Slide Material: Aluminium Adjustment Needles: 4 Glowplug Type: Turbo Exhaust Position: Rear Fuel Type: 25% (Recommended) Bore: 16.08mm Stroke: 17.2mm Pratical RPM: 4,000-42,000 Output: 2.61hp @ 34,000 RPM Weight: 369g |
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