2026 KPMI Full Catalog V1 - Flipbook - Page 180
KAWASAKI KX250F 2017-2019
®
™
KAWASAKI
Intake Only • Steel Valve Conversion Kit
KPMI P/N
Type
Max Valve Lift
Installed Height
40-41450
Intake
.415"
1.315"
Seat Pressure Open Pressure
65#
@ Lift
181#
.415"
2
CrSi Valve Springs
2
Titanium Retainers
2
White Diamond® Valves
2
H. T. Steel Basewashers
Kit Includes
Valves • White Diamond® • Hard Chrome Stems
KPMI P/N
Type
40-41412H
Intake
31.00mm
40-41416H
Exhaust
25.00mm
Stem Diameter
Tulip
O. L.
Remarks
1.220"
0.1764"
20º
3.460"
Standard
0.984"
0.1759"
25º
3.170"
Standard
Head Diameter
Must use Kibblewhite® Lightweight Valve Spring Kits when installing White Diamond® Valves.
Valves • O.E.M. Replacement • Tensilite® • Chromium Nitride PVD Coated Titanium
KPMI P/N
Type
Head Diameter
Stem
Diameter Tulip
O. L.
Material
Rep. OEM P/N
40-41412T
Intake
31.00mm
1.220"
0.1764"
20º
3.465"
Titanium
12004-0741
40-41416T
Exhaust 25.00mm
0.984"
0.1759"
25º
3.165"
Titanium
12005-0761
Note: These valves are intended as O.E.M. replacement valves and are completely compatible with the O.E.M. spring kits. However, experienced engine
builders, who are running aggressive camshafts or higher than factory RPM’s may 昀椀nd the combination of the O.E.M. Style Valve and KPMI’s Lightweight
Racing Spring Kits advisable. All titanium valves are (Tensilite®) PVD CrN coated, and all stainless valves are Black Diamond™ coated.
Valve Guide Seals • Viton®
Stem Diameter
O.L
Seal O.D.
Seal Style
4.0mm
0.310"
0.380"
2
Designed for these guide specs
Type
A
B
C
D
Intake
0.315”±0.005”
0.270”
0.120”
0.235”
Exhaust
Part Number
Quantity
Quantity Discount
71013-4
71013-8
71013-16
71013-50
71013-100
Pkg. of 4
0%
Pkg. of 8
0%
Pkg. of 16
Less- 10%
Pkg. of 50
Less- 15%
Pkg. of 100
Less- 20%
KAWASAKI KX250F (&F/ X/ XC) 2020-'24
®
™
Valve Spring Kit • Lightweight High-Lift Racing
KPMI P/N
Seat Pressure Open Pressure
Type
Max Valve Lift
Installed Height
@ Lift
Intake
.450"
1.325"
60#
204#
.450"
Exhaust
.450"
1.340"
50#
165#
.450"
40-41600
2 In CrSi Valve Springs 2
In Titanium Retainers
2
2 Ex CrSi Valve Springs 2
Ex Titanium Retainers
2 Ex H.T. Steel Basewashers
In H.T. Steel Basewashers
Kit Includes
162
order 650-557-2046
