Yamaha YZ 2018 Series Owner's Service Manual page 206

TIP
Tighten the nut while applying the rear brake.
ECA
NOTICE
Make sure to tighten to specification; other-
wise, it may damage the other part that is
fastened together.
3. Bend the lock washer tab to lock the nut.
4. Install:
• Drive sprocket guide
• Drive sprocket cover "1"
• Bolt (drive sprocket cover) "2"
Bolt (drive sprocket cover)
7 N·m (0.7 kgf·m, 5.2 lb·ft)
2
EASB29B209
INSTALLING THE EXHAUST PIPE AND
MUFFLER
1. Install:
• Gasket
New
• Exhaust pipe 1 "1"
• Nut (exhaust pipe 1) "2"
Nut (exhaust pipe)
20 N·m (2.0 kgf·m, 15 lb·ft)
TIP
First temporarily tighten all nuts to 13 N·m (1.3
kgf·m, 9.6 lb·ft). Then retighten them to 20 N·m
(2.0 kgf·m, 15 lb·ft).
2. Install:
• Clamp
• Exhaust pipe 2 "1"
• Bolt (exhaust pipe 2) "2"
2
TIP
Install and temporarily tighten the exhaust pipe
2 with its end positioned as shown with respect
to the exhaust pipe 1.
1
3. Install:
• Clamp
• Silencer "1"
• Bolt (silencer) "2"
5-9
ENGINE REMOVAL
2
1
2
1
2mm (0.08in)
Bolt (silencer)
30 N·m (3.0 kgf·m, 22 lb·ft)