125CC MOTOR ENGINE XR50 CRF50 XR70 CRF70 ATV PIT DIRT BIKE. New 125cc high performance race engine. Upgrade your stock 50cc to this 125cc monster, you can feel the power difference immediately.This engine offers the newest generation of all tuning- and racing-fans best quality and state-of-the-art performance! The engine comes with a high-qualtiy cylinder head made from aluminum, a reinforced kick starter axle and extra large valves and canals! With 7.4 kW by 7500 rpm the engine reaches more than the triple performance of a standard CRF50 engine. Engine: 125cc, 4-stroke, Manual clutch. Max power(KW/r/min): 5.7/7500. Bore X stroke: 52.4x55.5. Engine comes completely assembled and ready to install. Bolts in Honda frame in minutes, no frame modifications needed. Engine is compatible with most of Honda parts. Intake manifold, gasket, bolts, spark plug, gear shift lever and kick start lever are included. This Motor should fit the following models. Note: This is not a guarantee, if you are unsure, please ask your local dealer. HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport. The item "125CC ATV PIT DIRT BIKE MOTOR ENGINE XR50 CRF50 XR70 CRF70 125 H EN17-Basic" is in sale since Saturday, October 10, 2009. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "hunterh01" and is located in Ontario, California. This item can be shipped worldwide.