Installing The Exhaust Pipe And Muffler - Yamaha YZ450FX 2019 Owner's Service Manual

chain.
2 2 2
2. Install:
• Lock washer "1"
New
• Nut (drive sprocket) "2"
Nut (drive sprocket)
75 N·m (7.5 kgf·m, 55 lb·ft)
TIP
Tighten the nut while applying the rear brake.
ECA24600
NOTICE
Make sure to tighten to specification; other-
wise, it may damage the other part that is fas-
tened together.
2 2 2
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)
1 1
EAM30167
INSTALLING THE EXHAUST PIPE AND
MUFFLER
1. Install:
• Gasket
• Exhaust pipe 1 "1"
• Nut (exhaust pipe 1) "2"
TIP
First temporarily tighten all nuts to 7 N·m (0.7
kgf·m, 5.2 lb·ft). Then retighten them to 10 N·m
(1.0 kgf·m, 7.4 lb·ft).
1 1
2. Install:
• Clamp
• Exhaust pipe 2 "1"
• Bolt (exhaust pipe 2) "2"
2 2 2
TIP
Make sure that the exhaust pipe band "1" does
not ride on the projection "a" on the exhaust pipe
5-9
ENGINE REMOVAL
2 2 2
New
Nut (exhaust pipe)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
1 1
1 1
1 1
2 2 2