4 ports square stroke 1/8th scale nitro engine
- new crankshaft with DLC coating to improve durability
- new head design to improve the cooling carburettor
- 3 tuning needles
Exhaust recommended: 51007 (EFRA 2135) tuned pipe with 41021 manifold.
This kit allows to maintain the same consumption of the 9901/41021 increasing further performance.
Specifications:
- 4 ports Square Stroke 1/8th Off-Road Nitro Engine
- Displacement: 3,49 cc
- R.P.M. (max power): 36.500 RPM
- Bore x stroke: 16,42×16,42 mm
- Sleeve: 4 ports
- Rear ball bearing: ceramic
- Front ball bearing: steel
- Crankshaft: 14 mm turbo DLC
- Carburetor: plastic 9 mm slide
- Glowplug: Turbo (CTO6)
- Exhaust position: rear
- Starting: standard
- Weight: 365gr.
- Fuel type: 25% nitro