Yamaha XC50V Service Manual page 20

Camshaft
Drive system
Intake camshaft lobe dimensions
Measurement A
Measurement B
Measurement C
Exhaust camshaft lobe dimensions
Measurement A
Measurement B
Measurement C
Max. camshaft runout
ENGINE SPECIFICATIONS
Item
C
B
C
A
B
Standard
Chain drive (left)
A
30.158~30.258 mm
25.082~25.182 mm
5.2077mm
30.158~30.258 mm
25.020~25.120 mm
5.2077mm
...
2-4
SPEC
Limit
...
30.058 mm
24.982 mm
...
30.058 mm
24.920 mm
...
0.03 mm