2026 KPMI Full Catalog V1 - Flipbook - Page 302
YAMAHA VARIOUS 450cc 2003-'25
®
YAMAHA
Top End Service Kit for YFZ 450R & SE 2009-’25
KPMI P/N
Piston
Bore Size
80-82750 95.00mm
Kit Includes
Type
Max
Valve Lift
Installed
Height
Seat
Pressure
Open
Pressure
@ Lift
Intake
.380”
1.105"
39#
86#
.380"
Exhaust
.380”
1.105"
39#
86#
.380"
3
In Titanium Retainers
3
In CrSi Valve Springs
3
In H. T. Steel Basewashers
2
Ex Titanium Retainers
2
Ex CrSi Valve Springs 2
Ex H. T. Steel Basewashers
2
In Std. (Outer)
White Diamond® Valves
1
In Std. (Center)
2
White Diamond® Valves
Ex Std.
White Diamond® Valves
3
In Viton® Seals
2
Ex Viton® Seals
1
High Performance Piston Kit
1
Top End Gasket Kit
IMPORTANT NOTE: The piston assembly (piston, rings, pin and pin clips) in this kit are designed to work together as a system. When used complete, the piston
assembly can be used as an OEM replacement. The individual components are NOT INTERCHANGEABLE with O.E.M. piston assembly components.
Components • Replacement • Top End Service Kit for YFZ 450R & SE 2009-’25
Speci昀椀cation
KPMI P/N
Description
80-80206
Spring Kit
80-80213H
Intake, Standard (Outer) Valve
Valves • White Diamond® • Hard Chrome Stems
80-80215H
Intake, Standard (Center) Valve
Valves • White Diamond® • Hard Chrome Stems
80-80217H
Exhaust, Standard Valve
Valves • White Diamond® • Hard Chrome Stems
80-82751
Gasket Kit
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers, Viton® Seals
Includes: Head Gasket 95mm (1), Base Gasket (1), Exhaust Gasket (1), Cam Chain Tensioner Gasket (1), Oil
Line Washers (2), Head Drain Washers (1), Oil Line Washers 4 Req (1).
Cylinder Head Service Kit for YZ450F 2003-’05 / WR450 2003-’06
KPMI P/N
80-82050
Type
Max Valve Lift Installed Height Seat Pressure
Open Pressure
@ Lift
Intake
.380”
1.105”
39#
86#
.380”
Exhaust
.380”
1.105”
39#
86#
.380”
Kit Includes
3
In Titanium Retainers
3
In CrSi Valve Springs
3 In H. T. Steel Basewashers
2
Ex Titanium Retainers 2
Ex CrSi Valve Springs
2 Ex H. T. Steel Basewashers
2
In Std. (Outer)
1
White Diamond® Valves
In Std. (Center)
2
White Diamond® Valves
3
In Std. C674 Valves Guides
1
2
Ex Std.
White Diamond® Valves
Ex Std. C674 Valve Guides
Top End Gasket Kit
Components • Replacement • Cylinder Head Service Kit for YZ450F 2003-’05 / WR450 2003-’06
Speci昀椀cation
KPMI P/N
Description
80-80206
Spring Kit
80-80213H
Intake, Standard (Outer) Valve
Valve • White Diamond® • Stainless
80-80215H
Intake, Standard (Center) Valve
Valve • White Diamond® • Stainless
80-80217H
Exhaust, Standard Valve
Valve • White Diamond® • Stainless
80-80220
Intake, Standard Valve Guide
Valve Guide • C674 Bronze
80-80230
Exhaust, Standard Valve Guide
Valve Guide • C674 Bronze
80-82051
Gasket Kit
284
order 650-557-2046
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers, Viton® Seals
Includes: Head Gasket 95mm (1), Base Gasket (1), Exhaust Gasket (1), Cam Chain Tensioner Gasket (1), Oil
Line Washers (2), Head Drain Washers (1), Oil Line Washers 4 Req (1).
