Yamaha YZ450F
Advanced Machining Services Yamaha YZ450F performance page. A vast array of OEM and aftermarket parts for your YZ450F. Head kits, Cylinder kits, Engine kits, seats and guides replaced, cams, valves and spring kits, multi angle valve jobs, oversized valves installed, porting, big bore head mods., cylinder boring/honing, big bore kits. Advanced Machining Services, Yamaha YZ450F engine rebuilds, crank rebuilds, transmission repair. Box it up and ship it.
YZ450F Cylinder Kit $249.00
- Hone cylinder
- Piston kit
- Top end gasket set
- Gasket surfaces preped
- 12.5:1 Compression
- 13.5:1 Compression
- CYLINDER NOT INCLUDED
YZ450F 450 Cylinder Kit $459.00
- Hone cylinder
- Piston kit
- Top end gasket set
- Gasket surfaces preped
- 12.5:1 Compression
- 13.5:1 Compression
- CYLINDER NOT INCLUDED
YZ450F Big Bore 470 Cylinder Kit $479.00
- Bore & Nikasil
- Piston kit
- Top end gasket set
- Gasket surfaces preped
- 13.5:1 Compression
- CYLINDER NOT INCLUDED
YZ450F Head Kits
YZ450 Head Kit $619.00
- Multi-angle valve job
- 5 stock replacement OEM valves
- new valve springs
- Valve guides checked
- New valve stem seals
- Valve lash set
- Gasket surfaces prepped
- HEAD NOT INCLUDED
YZ450F Hi-performance head kit Stage I $1119.00
- Stage I porting
- Stage I Hotcams
- 5 Kibblewhite valves
- Valve spring kit
- Multi-angle valve job
- Valve guides checked
- Valve lash set
- New valve stem seals
- Gasket surfaces prepped
- HEAD NOT INCLUDED
YZ450F Hi-performance head kit Stage II $1249.00
- Stage II porting
- Stage II Hotcams
- 5 Kibblewhite valves
- Valve spring kit
- Multi-angle valve job
- Valve guides checked
- Valve lash set
- New valve stem seals
- Gasket surfaces prepped
- HEAD NOT INCLUDED
YZ450F Top End Kits
YZ450 Head Cylinder Kit $919.00
- Multi-angle valve job
- 5 stock replacement OEM valves
- New valve springs
- Valve guides checked
- New valve stem seals
- Valve lash set
- Piston kit
- Hone cylinder
- Top end gasket set
- Gasket surfaces prepped
- CYLINDER & HEAD NOT INCLUDED
YZ450F Hi-performance head kit Stage I $1349.00
- Piston kit
- Hone cylinder
- Stage I porting
- Hotcams intake and exhaust
- 5 Kibblewhite valves
- Kibblewhite valve spring kit with titanium retainers
- Top end gasket set
- Multi-angle valve job
- Valve guides checked
- Valve lash set
- New valve stem seals
- Gasket surfaces prepped
- CYLINDER & HEAD NOT INCLUDED
YZ450F Hi-Performance Top End Kit Stage II $1479.00
- Piston kit
- Hone cylinder
- Stage II porting
- Combustion Chamber mod.
- Hotcams intake and exhaust
- 5 Kibblewhite valves
- Kibblewhite valve spring kit with titanium retainers
- Top end gasket set
- Multi-angle valve job
- Valve guides checked
- Valve lash set
- New valve stem seals
- Gasket surfaces prepped
- CYLINDER & HEAD NOT INCLUDED
