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Naraku Crankshaft for Yamaha Aerox / BWS 100cc 2T
$299.00
Naraku Crankshaft for Yamaha Aerox / BWS 100cc 2T
This crank features high strength materials to strengthen the bottom end of the motor. This is ideal for scooters with performance cylinder kits fitted, or that have blown the bottom end of the engine.
**Special order item, please contact us prior to purchase**
Arrives 14-19 days
Shipping calculated at checkout
Description
Naraku Crankshaft for Yamaha Aerox / BWS 100cc 2T
| Bearings | |
|---|---|
| sizes: | 14x18x17mm |
| Gudgeon pins | |
| diameter: | 14 mm |
| Crankshafts | |
| stroke: | 47.6 mm |
| thread rotor side: | M12x1,25 right-hand thread |
| thread drive side: | M12x1,25 right-hand thread |
| diameter crankwebs: | 81.6 mm |
| pivot length rotor side: | 68.5 mm |
| pivot length drive side: | 73.6 mm |
| width crankwebs: | 37.9 mm |
| diameter bearing seat rotor side: | 24.9 mm |
| diameter bearing seat drive side: | 25 mm |
| diameter oil seal seat rotor side: | 19.9 mm |
| diameter oil seal seat drive side: | 21.9 mm |
| width bearing seat rotor side: | 14.5 mm |
| width bearing seat drive side: | 13.7 mm |
| width oil seal seat rotor side: | 8.5 mm |
| width oil seal seat drive side: | 10 mm |
| full circle crankshaft: | |
| rotary valve crankshaft: | |
| crankcase has to be milled: | |
| engine casing has to be modified: | |
| diameter variator pivot: | 15.7 mm |
| variator pivot type: | toothed |
| can be used with genuine variator: | yes |
| Connecting rods | |
| length connecting rod: | 90 mm |
| thickness connecting rod: | 6.5 mm |
| diameter small end connecting rod eye: | 18 mm |
| lubricating hole at small end bearing: | no |
| diameter crankpin: | 18 mm |
| lubricating hole at crankpin bearing: | slot |
| crankpin shims: | yes |
