Installing The Exhaust Pipe And Muffler - Yamaha YZ250FXM 2021 Owner's Service Manual

Engine mounting bolt (upper
side)
45 N·m (4.5 kgf·m, 33 lb·ft)
TIP
Apply molybdenum disulfide grease to the pivot
shaft.
9
2
M
6
5
4
EAM30167
INSTALLING THE EXHAUST PIPE AND
MUFFLER
1. Install:
• Gasket
New
• Exhaust pipe 1 "1"
• Nut (exhaust pipe 1) "2"
Nut (exhaust pipe 1)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
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
10
8
9
3
8 10
7
1
4
5 6
2 2
5-12
ENGINE REMOVAL
2. Install:
• Clamp
• Exhaust pipe 2 "1"
• Bolt (exhaust pipe 2) "2"
2 2 2
TIP
Install and temporarily tighten the exhaust pipe 2
and silencer with its end positioned as shown
with respect to the exhaust pipe 1 and 2.
3. Install:
• Clamp
• Silencer "1"
• Bolt (silencer) "2"
Bolt (silencer)
30 N·m (3.0 kgf·m, 22 lb·ft)
1 1
TIP
Install and temporarily tighten the silencer so
that its joint is positioned as shown with respect
to the exhaust pipe 2.
1 1
2 mm (0.08 in)
2 2 2