bicycle engine kit

CR50 bicycle engine kit
Bore & stroke: 40x40mm=48cm3, petrol oil mixed engine oil, sparking plug, power. Rotary speed: 1.15-1.6 kw / 8000r / min, 1.6-3 horsepower / min, speed: 50-60km / hour, we go through the ISO9002 certification, and we assure 3 using year for our buyers. 

CR60, CRF70, CR80 type can be supplied. And you can aware our high quality as following: 
1. First quality cylinder casting. Alloy with chrome liner
2. Dual Connecting Rod Needle Bearings
3. Japanese Engine Bearings
4. Chrome Intake Manifold 
5. Chromed Gas Tank Liner
6. Brass Fuel Valve 
7. Chain Tensioner Wheel with ball bearing
8.415 Pitch Engine Drive Chain (#41 Chain Equivalent)
9. Alloy Clutch Lever with hold open catch (new style)
10. Engine Kill Switch mounted on throttle