Bigbore crankshaft from Driveline in +4 / connecting rod 115mm
Used, for example, for conversion to 400cc, 421cc or 472cc.
Application note:
Can be used for the following conversions, for example:
- Original cylinders larger than 350
- Athena 392 to Athena 421
- For Cheetah 421 / 472
- For Driveline 421 cylinders
Scope of delivery:
1 piece Bigbore crankshaft +4 / 115 (NEW)
2 pieces piston pin bearing
Info:
Crankshaft with 4mm more stroke
Connecting rod 115mm length
Manufacturer's description:
- Forged 4mill stroker crankshaft
- 115mm long rods
- Upper and lower rod bearings are high quality silver caged
- Trued and welded
- Koyo C3 8 ball bearings inner & outer
- We inspect every crank for proper rod clearance
- Center webs are pinned to help prevent twisting out of phase
- This is not a drop in crankshaft case modifications are needed. Case trenching will be required
Suitable for:
Yamaha Banshee 350 1987 - 2006
Yamaha RD 350 31K, 1WW, 1WX, YPVS
