Yamaha GRIZZLY 550 FI YFM5FGPY, Owner'S Manual

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4. Install the gasket, and then insert the tailpipe
into the muffler and align the bolt holes.
5. Install the bolts and tighten them to the speci-
fied torque.
6. Remove the purging bolt.
7. Start the engine and rev it up approximately
twenty times while momentarily creating ex-
haust system back pressure by blocking the
end of the muffler with a shop towel.
8. Stop the engine and allow the exhaust pipe to
cool.
9. Install the purging bolt and tighten it to the
specified torque.
1. Tailpipe
2. Spark arrester
3. Gasket
Tightening torque:
Tailpipe bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
1. Purging bolt
Tightening torque:
Purging bolt:
27 Nm (2.7 m·kgf, 19 ft·lbf)
U28P60E0.book Page 42 Thursday, April 17, 2008 8:51 AM