Valve Clearance - Yamaha YXR7FD Owner's Manual

2. Remove the tailpipe by pulling it out of
the muffler, and then remove the gasket.
3. Tap the tailpipe lightly, and then use a
wire brush to remove any carbon depos-
its from the spark arrester portion of the
tailpipe and inside of the tailpipe housing.
2
1
1. Tailpipe 2. Spark arrester
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
specified torque.
Tightening torque:
Tailpipe bolt:

Valve clearance

The correct valve clearance changes with
use, resulting in improper fuel/air supply or
3
engine noise. To prevent this, the valve clear-
ance must be adjusted regularly. This adjust-
ment however, should be left to a professional
Yamaha service technician.
3. Gasket
8-34
10 Nm (1.0 m·kgf, 7.2 ft·lbf)