OS Engines Speed Tuned B21 Drake Edition 2
Designed to dominate. |
Characteristics:
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Technical Specifications: Displacement: 3.49cc Carburetor Type: 6.5 and 8mm venturi, Slide Material: Aluminium Adjustment Needles: 4 Glowplug Type: Turbo Exhaust Position: Rear Fuel Type: 25% (Recommended) Bore: 16.4mm Stroke: 16.55mm Pratical RPM: 4,000-42,000 Output: 2.61hp @ 34,000 RPM Weight: 353g |
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