|  
CLICK HERE to customize your own Yamaha
DYNO JET POWER COMMANDER APPROVED TUNING CENTER 
| |
|
|
|
|
|
|
|
|
|
|
|
|
| |
- Kit achieves a greater displacement by increasing the stroke from the stock 4” to 4 5/8”
- Include 4” bore cylinders, S&S Super Stock® cylinder heads, pistons, S&S 625 gear-drive cam kit, chromoly steel pushrod kit, 4 5/8” stroker flywheel assembly, electric compression release, chrome rocker boxes, gaskets and installation instructions
- 10.4:1 compression ratio
- Fuel system (carb or EFI) is not included and must be ordered separately; both include teardrop air cleaner
- Made in the U.S.A.
NOTES:
Stock crankcase must be bored to accept the 4” big bore cylinders; stock cylinder stud pattern and studs are retained.This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
|
|
|
|
|
|
|
|
|
