Honda CB160 Shop Manual page 72

68
Fig. 4. 51 Muffler mounting bolt
Fig. 4. 52 Removing diffuser pipe
Fig. 4. 53 Removing carbon with wire brush
Fig. 4.
54 Coupling exhaust pipe and muffler
4. FRAME
2. Loosen the two exhaust pipe joint nuts and
remove them.
3. Loosen four 8 X 25 hex bolts and remove the
footrest bar complete.
4. The muffler is secured together with the footrest.
By loosening the 2 X 58 hex bolts, the exhaust pipe
and muffler are separated as a unit from the
frame. (Refer to Fig. 4. 51)
5. The exhaust pipe and the muffler are removed by
twisting in the reverse direction.
6. By loosening the 6 X 8 hex bolt, the diffuser pipe
is removed from the muffler. (Refer to Fig. 4. 52}
C. Inspection
1. Wash the diffuser pipe after carbon is removed
by brushing. (Refer to Fig.
4.
54)
2. Inspection of cranks and damage of the muffler
packing
3. Inspection of the exhaust pipe and muffler for
scars and scratches.
D. Assembly
I. Insert the exhaust pipe into the muffler. (Refer
to Fig. 4. 55)
2. Lightly tighten the exhaust pipe joint nut and
tighten the 8
X
25 and I 2
X
58 hex bolts.
(CAUTION)
(al If the exhaust pipe joints nut is sufficiently tighten-
ed first, it cannot enter the muffler hole. Hence,
it should first be tightened lightly ; after the muffler
is securely tightened, the joint nut should be
tightened firmly.
(bl The diffuser pipe can be installed either prior to
or after the muffler is installed.
(cl
Do not forget that the 12 X 58 footrest and
8 X 25 hex bolt are tighteneci together with the
footrest bar (complete).