2026 KPMI Full Catalog V1 - Flipbook - Page 292
YAMAHA RAPTOR 250 2008-2013
®
™
YAMAHA
Valve Spring Kit • Lightweight Racing
KPMI P/N
Type
Max Valve Lift Installed Height
Seat Pressure
Open Pressure
@ Lift
65#
192#
.440"
Intake
80-80550
.440”
1.240"
Exhaust
Kit Includes
2
Titanium Retainers
2
CrSi Valve Springs
2 H. T. Steel Basewashers
Valve Guides • C630 Bronze
A
B
C
D
E
F
G
Intake
0.455"
0.490"
0.845”
1.245"
0.480"
0.2355'
0.4552" / Std.
80-80570
+0.002”
80-80572
+0.010”
80-80579
0.455"
0.490"
0.975”
1.295"
0.480"
0.2350'
Exhaust
0.4552" / Std.
80-80580
+0.002”
80-80582
+0.010”
80-80589
Valve Guide Seals • Viton®
Stem Diameter
O.L
Seal O.D.
Seal Style
6.0mm
0.371"
0.480"
5
Designed for these guide specs
A
B
C
0.385”±0.002”
0.341”
0.120”
Type
D
0.255”
Intake
Exhaust
Part Number
Quantity
Quantity Discount
71017-2
71017-4
71017-8
71017-16
71017-50
71017-100
Pkg. of 2
0%
Pkg. of 4
0%
Pkg. of 8
0%
Pkg. of 16
Less- 10%
Pkg. of 50
Less- 15%
Pkg. of 100
Less- 20%
YAMAHA SR / TT / XT 250 1976-1981
®
™
™
™
Valve Guides • C630 Bronze
274
order 650-557-2046
A
B
C
D
E
0.645"
0.765"
0.970"
1.200"
0.905"
F
G
0.3135" 0.5535" / Std.
Intake
Exhaust
80-8100
+0.001”
80-8101
+0.010”
80-8110
