Yamaha Raptor 90 YFM90RA 2011 Service Manual page 28

Item
Stem-to-guide clearance
Stem runout limit
Valve seat width
Valve spring
Inner spring
Free length
Compressed pressure
(installed)
Tilt limit
Direction of winding
(top view)
Outer spring
Free length
ENGINE SPECIFICATIONS
IN 0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
EX 0.025 ~ 0.052 mm
(0.0010 ~ 0.0020 in)
----
IN 0.8 ~ 1.1 mm
(0.0315 ~ 0.0433 in)
EX 0.8 ~ 1.1 mm
(0.0315 ~ 0.0433 in)
IN 30.00 mm (1.18 in)
EX 30.00 mm (1.18 in)
IN 39.14 ~ 47.77 N at 22.45 mm
(3.99 ~ 4.87 kg,
8.80 ~ 10.74 lb at 0.898 in)
EX 39.14 ~ 47.77 N at 22.45 mm
(3.99 ~ 4.87 kg,
8.80 ~ 10.74 lb at 0.898 in)
IN
EX
IN Counterclockwise
EX Counterclockwise
IN 33.50 mm (1.32 in)
EX 33.50 mm (1.32in)
2 - 6
SPEC
Standard Limit
0.08 mm
(0.0031 in)
0.10 mm
(0.0039 in)
0.02 mm
(0.0008 in)
1.6 mm
(0.0630 in)
1.6 mm
(0.0630 in)
27.00 mm
(1.06 in)
27.00 mm
(1.06 in)
----
----
2.0 °/1.1 mm
(2.0°/0.04 in)
2.0 °/1.1 mm
(2.0°/0.04 in)
----
----
30.50 mm
(1.20 in)
30.50 mm
(1.20 in)