Cylinder Head Exhaust Pipe Stud Bolt Replacement - Honda 2010 CRF250R Service Manual

FRAME/BODY PANELS/EXHAUST SYSTEM
Install a new gasket to the exhaust port of the cylinder
head.
Always replace the exhaust pipe gasket with a new
one whenever the exhaust pipe is removed.
Install the exhaust pipe but do not lighten the exhaust
pipe joint nuts yet.
Install the muffler (page 2-9) but do not tigh ten the
muffler mounting bolts yet.
Tighten the exhaust pipe joint nuls to the specified
torque .
TORQUE: 21 N'm (2.1 kgf'm, 15 1 bHt)
Always inspect the
Tighten the muffler mounting fasteners.
exhaust system for
leaks after
installallon.
CYLINDER HEAD EXHAUST PIPE
STUD BOLT REPLACEMENT
Thread two nuts onto the stud, and tighten them
r
toge ther, then use a wrench on them to turn the stud
bolt out.
Install new stud bolts into the cylinder head as shown.
After installing the stud bolts, check thai the length from
the boll head to the cylinder head surface is within
specification.
1
~
I·
.'
1
-
I
18.0 ± 0.5 mm (0.71 ± 0.02 in)
2·17