Yamaha YZ450FA Automobile User Manual


 
4-6
EXHAUST PIPE AND SILENCER
Except for USA and CDN
1. Remove:
• Rivet (front) "1"
• Inner pipe "2"
Take care not to damage the rivet fitting
holes (ø4.9 mm) "a" in removal.
Do not hit the silencer stay "b" as it may do
damage to the silencer.
Remove the inner pipe while holding the silenc-
er in place with a vise etc.
2. Replace:
•Fiber "1"
3. Install:
• Inner pipe "1"
• Rivet (front) "2"
• Band "3"
• Apply heat-resistant sealant to the areas "a"
shown, making sure that there are no gaps in
the beads of sealant.
• Take care not to allow the fiber out of place
when installing the inner pipe.
• Install the band "3" with the mating ends "b"
positioned as shown.
INSTALLING THE SILENCER AND
EXHAUST PIPE
1. Install:
•Gasket
• Exhaust pipe "1"
• Nut (exhaust pipe) "2"
First temporarily tighten both nuts to 7 Nm (0.7
m•kg, 5.1 ft•lb). Then retighten the same nut to
10 Nm (1.0 m•kg, 7.2 ft•lb).
Nut (exhaust pipe):
10 Nm (1.0 m•kg, 7.2 ft•lb)