Yamaha YFZ450 R/X
Engine Kits & Parts
MXC Billet Intake Cam
Used by many GNCC Winners! Cam works well on it's own and compliments our Head Porting even better. We can alter the Lobe Center for your specific build, whether MX or XC.
*Highly Recommend adding our Updated HD Valve Spring Kit*
Cylinder Head Porting
Includes:
Teardown & Inspection
Carbon Removal
Max CFM Valve Job for OEM Valve Train
XC2 Engine Package
Used by GNCC XC2 Rider Branden Owens
Produces 51-52HP on Pump Gas with Stock Airbox & Intake
Includes:
Porting & SERDI Valve Job
MVP Viton Valve Seals
Intake Cam
HD Valve Spring Kit
JE / Wiseco Piston
OEM Top End Gaskets
Deglaze/Hone Cylinder
*2014+ Models Require Ex. Cam Change*
*Maps Available for Vortex, MSD & PCV*
0913 Exhaust Cam
OEM Type Replacement cam from 09-13 YFZ450R Models, needed for 14+ Models
Lobe Center is altered for slightly more toque and better starts, then tig welded in position
*Highly Recommend adding our Updated Valve Spring Kit*
HD Valve Spring Kit
Includes:
3x Intake Valve Springs
Uses OEM Lower Spring Seats & Retainers
Recommended for our Intake Cam to keep valve float at minimum, increasing valve & seat life
ECU Tuning/Maps
Vortex Maps
Used by many GNCC Winners!
Custom Base Maps Available for different Engine Builds - Exhaust - Intakes
Custom Built Maps Available
( Dyno Tune )
Suspension
OEM Rear Shock Revalve & XC Linkage
The OEM shock can be made to work very well when Valved & Sprung correctly, then paired with the appropriate Linkage for XC Racing.
Includes:
Shock Service & Re-Valve
Single Rate Main Spring
Length Alteration
Houser Pro Dual XC Linkage
*Hi Flo Piston available*
OEM XC Front Shock Conversion (14+)
Dual Rate Spring Set-up
EZ Flip Crossover Adjustment
Shock Service & Re-Valve
Length Alteration
Specs for Stock or Houser XC Front End
FOX Spring Shox
Hi & Lo Speed Comp. Adjustment Rebound Adjustment
Dual Rate Spring Set-up
* Triple rate Available *
Adjustable Crossover
without removing Spring Stack
Kashima Coated
Upper & Lower Spherical Bearings
130 South Water St. Coshocton OH 43812