2026 KPMI Full Catalog V1 - Flipbook - Page 121
HONDA CRF 250R 2008-2009
®
™
KPMI P/N
Type
Head Diameter
Stem
Diameter Tulip
O. L.
Material
Rep. OEM P/N
30-31162T
Intake
31.00mm
1.220"
0.1960"
20º
3.275"
Titanium
14711-KRN-670
30-31166
Exhaust 26.00mm
1.024"
0.1768"
20º
3.235"
Stainless
14721-KRN-A10
HONDA
Valves • O.E.M. Replacement • Titanium • Stainless
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 find 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 Guides • C674 Bronze
A
B
C
D
E
F
0.540"
0.540"
0.710"
0.770"
0.394"
G
Intake
30-31170
0.1960" 0.3965" / Std.
30-31179
+0.010”
0.740"
0.740"
0.750"
0.850"
0.394"
Exhaust
30-31180
0.1760" 0.3965" / Std.
30-31189
+0.010”
Valve Guide Seals • Viton®
Stem Diameter
O.L
Seal O.D.
Seal Style
4.5mm
0.331"
0.370"
4
Designed for these guide specs
Type
A
B
C
D
Intake
0.321”±0.005”
0.281"
0.120"
0.240”
Exhaust
Part Number
Quantity
Quantity Discount
71014-4
71014-8
71014-16
71014-50
71014-100
Pkg. of 4
0%
Pkg. of 8
0%
Pkg. of 16
Less- 10%
Pkg. of 50
Less- 15%
Pkg. of 100
Less- 20%
HONDA CRF 250R 2010-2015
®
™
Max Valve Lift
Installed Height
.385"
1.185"
Valve Spring Kit • Lightweight Racing
KPMI P/N
Type
Seat Pressure Open Pressure
@ Lift
Intake
30-31450
50#
160#
.385"
Exhaust
Kit Includes
4
CrSi Valve Springs
4
Titanium Retainers
4
H. T. Steel Basewashers
4
Red Viton® Seals
Intake Only • Steel Valve Conversion Kit
Type
Max Valve Lift
Installed Height
30-31500
Intake
.385"
1.185"
2
CrSi Valve Springs
Kit Includes
2
2
Seat Pressure Open Pressure
50#
Titanium Retainers
Black Diamond™ Valves
2
160#
2
@ Lift
.385"
H. T. Steel Basewashers
Red Viton® Seals
Visit us at www.kpmi.us
103
KPMI P/N
