Yamaha YZF-R1(B) 2012 Service Manual page 349

3. Install:
• Shift fork-C "1"
• Shift drum assembly "2"
• Shift fork guide bar "3"
TIP
• The embossed marks on the shift forks
should face towards the right side of the
engine and be in the following sequence: "R",
"C", "L".
• Carefully position the shift forks so that they
are installed correctly into the transmission
gears.
• Install shift fork-C into the groove "a" in the
3rd and 4th pinion gear on the main axle.
4. Install:
• Shift fork-R "1"
• Shift fork-L "2"
• Shift fork guide bar
• Springs
• Shift drum retainers "3"
• Bearing
• Oil seal
New
• Circlip "4"
New
• Drive axle assembly "5"
Shift drum retainer bolt
10 Nm (1.0 m·kg, 7.2 ft·lb)
LOCTITE®
TIP
• Install shift fork-R into the groove "a" in the
5th wheel gear and shift fork-L into the
groove "b" in the 6th wheel gear on the drive
axle.
• Install the shift drum retainer with its "OUT"
mark "c" facing outward.
• Make sure that the drive axle bearing circlip
"4" is inserted into the grooves "d" in the
upper crankcase.
5. Check:
• Transmission
Rough movement → Repair.
TIP
Oil each gear, shaft, and bearing thoroughly.
5-98
TRANSMISSION