2026 KPMI Full Catalog V1 - Flipbook - Page 186
KAWASAKI KX 450F 2009-2016
®
™
KAWASAKI
Valve Spring Kit • Lightweight High-Lift Racing
KPMI P/N
Seat Pressure Open Pressure
Type
Max Valve Lift
Installed Height
@ Lift
Intake
.415"
1.290"
64#
169#
.415"
Exhaust
.415"
1.240"
65#
170#
.415"
40-40660
2
Kit Includes
In, CrSi Valve Springs
2
In, Titanium Retainers
2 In, H. T. Steel Basewashers
2 Ex, CrSi Valve Springs 2
Ex, Titanium Retainers
2 Ex, H. T. Steel Basewashers
Cylinder Head Service Kit for KX 450F™ 2009-2015
KPMI P/N
40-41470
Type
Max Valve Lift Installed Height Seat Pressure
Open Pressure
@ Lift
Intake
.415”
1.290”
64#
169#
.415”
Exhaust
.415”
1.240”
65#
170#
.415”
Kit Includes
2
In Titanium Retainers 2
In CrSi Valve Springs
2 In H. T. Steel Basewashers
2
Ex Titanium Retainers 2
Ex CrSi Valve Springs
2 Ex H. T. Steel Basewashers
2
In Std. Black Diamond™ Valves
2
Ex Std. Black Diamond™ Valves
4
In / Ex Std. C630 Valve Guides
1
Top End Gasket Kit
Components • Replacement • Cylinder Head Service Kit for KX 450F™ 2009-2015
Speci昀椀cation
KPMI P/N
Description
40-40660
Spring Kit
40-40652
Intake, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
40-40656
Exhaust, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
40-40670
40-41471
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers
Intake / Exhaust, Standard Valve Guide Valve Guide • C630 Bronze
Gasket Kit
Includes: Head Gasket 96.5mm (1), Base Gasket (1), Exhaust Gasket (1), Cam Tensioner Gasket (1), Spark
Plug O-Ring (1), Cam Chain Tensioner O-Ring (1), Valve Stem Seals (4)
Cylinder Head Service Kit for KX 450F™ 2016
KPMI P/N
40-41480
Type
Max Valve Lift Installed Height Seat Pressure
Open Pressure
@ Lift
Intake
.415”
1.290”
64#
169#
.415”
Exhaust
.415”
1.240”
65#
170#
.415”
Kit Includes
2
In Titanium Retainers 2
In CrSi Valve Springs
2 In H. T. Steel Basewashers
2
Ex Titanium Retainers 2
Ex CrSi Valve Springs
2 Ex H. T. Steel Basewashers
2
In Std. Black Diamond™ Valves
2
Ex Std. Black Diamond™ Valves
4
In / Ex Std. C630 Valve Guides
1
Top End Gasket Kit
Components • Replacement • Cylinder Head Service Kit for KX 450F™ 2016
Speci昀椀cation
KPMI P/N
Description
40-40660
Spring Kit
40-40652
Intake, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
40-40656
Exhaust, Standard Valve
Valve • Black Diamond™ • Black Nitroneg Stems
40-40670
168
40-41481
Includes: Ti Retainers, CrSi Valve Springs, H.T. Steel Basewashers
Intake / Exhaust, Standard Valve Guide Valve Guide • C630 Bronze
Gasket Kit
order 650-557-2046
Includes: Head Gasket 96.5mm (1), Base Gasket (1), Exhaust Gasket (1), Cam Tensioner Gasket (1), Spark
Plug O-Ring (1), Cam Chain Tensioner O-Ring (1), Valve Stem Seals (4)
