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Motoforce Racing cast iron sport 70cc cylinder kit for Derbi D50B0/1 50cc 2-stroke engines.
Robust cast iron bore offering every day reliability for use on the road. 5 transfer ports, a simple exhaust port and twin ring piston keep these kits rider friendly. The 70cc kit offers an increase of 3-4BHP over the standard 50cc kit with much higher torque versus the standard 50cc kit.
A 19-21mm carb, reinforced clutch & Stage6 Streetrace exhaust is recommended.
Included: cylinder, head, gasket set & piston kit.
Motoforce MF26.19301
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