OSM1EG01
OS Engines MAX B21 .21 Off-Road Engine with T2090 Pipe
$449.99
In stock
The OS Engines MAX-B21 engine is for entry-level and sports users as it is easy to use and has excellent cost performance. Based on the O.S. SPEED series engine, it has a well-balanced combination of smooth speed and power delivery. This combo includes a TB02 EFRA2089 (T-2090) & MB01-75 and is designed for off-road racing situations.
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Features
- For 1/8 nitro
- Can be used in on-road and off-road
- Outer head is lighter for improved performance
- Includes:
- TB02 EFRA2089 (T-2090) & MB01-75
- P3 glow plug
- Reducer 6mm (Orange) and 7mm (yellow)
- Exhaust seal ring
- Dust cap set 3mm/16mm/18mm
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Product Information
The outer head is based on MAX-21XR-B VER.3 and has been reduced in weight for better performance. The shape of the combustion chamber of the inner head has also been revised to improve combustion efficiency and response in the low-speed range. In addition, more stable idling avoids stalling and equals easy carburettor adjustment.
Specs
- Displacement
- 3.49cc / 0.213 cu.in.
- Bore
- 16.27mm / 0.641in.
- Stroke
- 16.80mm / 0.661in.
- Output
- 2.6ps / 2.56hp / 34,000r.p.m.
- Practical RPM range
- 4,000-41,000 r.p.m.
- Engine Weight
- 361g / 12.73oz.