Honda GX690 Workshop Manual page 105

EXHAUST PIPE STUD BOLT
REPLACEMENT
Thread two nuts onto the stud bolt and tighten them
together, then use a wrench to turn the stud bolt out.
Install new stud bolts.
SPECIFIED LENGTH: 22 mm (0.87 in)
HIGH MOUNT MUFFLER MOUNTING
STUD BOLT REPLACEMENT
Thread two nuts onto the stud bolt and tighten them
together, then use a wrench to turn the stud bolt out.
Install new stud bolts.
SPECIFIED LENGTH:
No.1 cylinder:
No.2 cylinder:
60 mm (2.36 in)
45 mm (1.77 in)
MUFFLER
22 mm (0.9 in)
No.1 cylinder: 60 mm (2.36 in)
No.2 cylinder: 45 mm (1.77 in)
12-5