Yamaha Rhino 450 YXR45FAV Service Manual page 32

Item
Timing chain
Model/number of links
Timing chain adjustment method
Rocker arm/rocker arm shaft
Rocker arm inside diameter
Shaft outside diameter
Arm-to-shaft clearance
Valve, valve seat, valve guide
Valve clearance (cold)
Valve dimensions
A
Head Diameter
"A" head diameter
"B" face width
"C" seat width
"D" margin thickness
Stem outside diameter
Guide inside diameter
ENGINE SPECIFICATIONS
DID SCR-0409 SV/116
Automatic
12.000 ~ 12.018 mm
(0.4724 ~ 0.4731 in)
11.981 ~ 11.991 mm
(0.4717 ~ 0.4721 in)
0.009 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
IN 0.06 ~ 0.10 mm
(0.0024 ~ 0.0039 in)
EX 0.16 ~ 0.20 mm
(0.0063 ~ 0.0079 in)
B
Face Width
IN 39.9 ~ 40.1 mm
(1.5709 ~ 1.5787 in)
EX 33.9 ~ 34.1 mm
(1.3346 ~ 1.3425 in)
IN 2.26 mm (0.0890 in)
EX 2.26 mm (0.0890 in)
IN 1.2 ~ 1.4 mm
(0.0472 ~ 0.0551 in)
EX 1.2 ~ 1.4 mm
(0.0472 ~ 0.0551 in)
IN 1.0 ~ 1.4 mm
(0.0394 ~ 0.0551 in)
EX 0.8 ~ 1.2 mm
(0.0315 ~ 0.0472 in)
IN 6.975 ~ 6.990 mm
(0.2746 ~ 0.2752 in)
EX 6.955 ~ 6.970 mm
(0.2738 ~ 0.2744 in)
IN 7.000 ~ 7.012 mm
(0.2756 ~ 0.2761 in)
EX 7.000 ~ 7.012 mm
(0.2756 ~ 0.2761 in)
2 - 6
Standard
C
Seat Width
SPEC
Limit
----
----
12.078 mm
(0.4755 in)
11.951 mm
(0.4705 in)
0.080 mm
(0.0031 in)
----
----
D
Margin Thickness
----
----
----
----
1.6 mm
(0.0630 in)
1.6 mm
(0.0630 in)
----
----
6.950 mm
(0.2736 in)
6.915 mm
(0.2722 in)
7.030 mm
(0.2768 in)
7.030 mm
(0.2768 in)