O.S.Engine - MAX-B21 3.5cc 1/8 Buggy & 1/8GT Engine
Made for 1/8 nitro Offroad and 1/8GT
MAX-B21 is easy to use from entry-level users to sports users and has excellent cost performance. Based on the O.S.SPEED B2104 series engine, it has a well-balanced combination of smooth speed and power delivery and can be used in both on and off-road racing situations.
Features:
- The crankcase is based on the O.S.SPEED B2104 crankcase
- Piston and sleeve is improved based on O.S.SPEED B2104
- The connecting rod is the same as the O.S.SPEED buggy engines
This engine will replace the MAX-21 XR-B VER.3 and MAX-21 XZ-B VER.2.
Specs:
- Displacement: 3.49cc
- Bore: 16.27mm
- Stroke: 16.80mm
- Output:
- Practical rpm range:
- Weight: 352g
Included:
- P3 glow plug
- Reducer Venturi: 6mm (Orange) & 7mm (Yellow)
- Exhaust seal ring
- Dust cap set: 3, 16 & 18mm