OS MAX 21 XZ-R Graupner 2753 3.49 cc capacity.
High-performance motor designed especially for racing remote controlled cars on a scale of 1:8.
- 7-channel motor
- Finely balanced crankshaft for more rpms
- Weight-optimised piston
- Crankcase and 21M carburettor with a new design
Shaft thread: 1/4"-28 UNF
Carburettor : 21M
All-up weight, approx.: 348 g
rpm range, approx.: 4000 - 45000 U/min
Bore: 16,27 mm
Cylinder capacity: 3,49 cm³
Output (kW, PS) at: 2,04 (2,75) bei 33000 U/min
Stroke: 16,8 mm