7-29
Power unit
POWR
Checking the timing belt and
sprocket
1.
Check the interior and exterior of the tim-
ing belt. Replace if cracked, damaged, or
worn.
2.
Check the drive sprocket
a
and driven
sprockets
b
. Replace if cracked,
damaged, or worn.
Checking the camshaft
1.
Measure the cam lobe height
a
and
width
b
. Replace the camshaft if out of
specification.
2.
Measure the camshaft runout. Replace if
out of specification.
i
i
h
h
a
b
Cam lobe height
a
:
Intake:
45.300–45.400 mm (1.7835–1.7874 in)
Exhaust:
44.350–44.450 mm (1.7461–1.7500 in)
Cam lobe width
b
:
Intake and exhaust:
35.950–36.050 mm (1.4154–1.4193 in)
Camshaft runout limit:
0.03 mm (0.0012 in)
a
b
Summary of Contents for F150B
Page 1: ...SERVICE MANUAL 6BM 28197 5L 11 F150B FL150B ...
Page 4: ......
Page 211: ...6 34 Vapor separator 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 311: ...8 32 Shimming regular rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T1 T2 ...
Page 351: ...8 72 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T2 T4 T1 ...
Page 448: ...A 1 MEMO ...
Page 451: ......
Page 452: ...Printed in China Jul 2008 0 6 1 ABE E_4 YAMAHA MOTOR CO LTD ...
Page 458: ......