Yamaha YZFR1Y(C) 2009 Service Manual page 119

• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Air filter case
Refer to "AIR FILTER CASE" on page 7-
5.
• Lower cowlings
• Side cowlings
Refer to "GENERAL CHASSIS" on page
4-1.
• Throttle body assembly
Refer to "THROTTLE BODIES" on page
7-11.
• Air cut-off valve
Refer to "AIR INDUCTION SYSTEM" on
page 7-21.
• Radiator
• Radiator fan motor
Refer to "RADIATOR" on page 6-1.
2. Remove:
• Ignition coils
• Spark plugs
• Cylinder head cover
• Cylinder head cover gasket
Refer to "CAMSHAFTS" on page 5-13.
3. Remove:
• Pickup rotor cover 1 "1"
• Pickup rotor cover 2 "2"
4. Measure:
• Valve clearance
Out of specification → Adjust.
Valve clearance (cold)
Intake
0.11–0.20 mm (0.0043–0.0079
in)
Exhaust
0.21–0.25 mm (0.0083–0.0098
in)
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Turn the crankshaft clockwise and align the
pickup rotor K mark "a" and crankcase
occluding surface "b".
PERIODIC MAINTENANCE
(At this time, make sure the intake cam-
shaft sprocket punch mark "c" and cylinder
head occluding surface "d", and exhaust
camshaft sprocket punch mark "e" and cyl-
inder head occluding surface "f" are
aligned. If not, repeat until they are
aligned.)
b. Install the pickup rotor cover 2 "1".
c. Turn the crankshaft 105 degrees in clock-
wise and align the pickup rotor K mark "a"
and crankshaft position sensor I mark "b".
3-6