TOHATSU MFS 60A Service Manual page 13

Functional Limit
42.050 mm (1.65551 in)
0.1 mm (0.004 in)
70.06 mm (2.7583 in)
0.08 mm (0.0031 in)
0.06 mm (0.0024 in)
0.1 mm (0.004 in)
69.90 mm (2.7520 in)
0.150 mm (0.00591 in)
Top Ring : 0.10 mm (0.0039 in)
Second Ring : 0.07 mm (0.0028 in)
Oil Ring : 0.15 mm (0.0059 in)
17.012 mm (0.66976 in)
0.040 mm (0.00157 in)
16.970 mm (0.66811 in)
Top Ring : 0.55 mm (0.0217 in)
Second Ring : 0.70 mm (0.0276 in)
Oil Ring : 1.00 mm (0.0394 in)
17.040 mm (0.6709 in)
0.060 mm (0.00236 in)
0.30 mm (0.0118 in)
0.05 mm (0.0020 in)
37.97 mm (1.4949 in)
39.97 mm (1.5736 in)
0.060 mm (0.00236 in)
0.50 mm (0.0197 in)
4st 60 2019
Action To Be taken
Clean to remove.
Replace if more than specified limit.
Correct. (Use water proof sand paper of #240 to 400 on the surface plate to level. Use #600 to finish.)
Correct if possible, or replace.
Clean to remove.
Clean to remove.
Replace if more than specified limit.
Replace if severely damaged on the piston sliding surface, which
cannot be repaired with sand paper of No. 400 to 600, or damaged
over specified limit.
Correct. (Use water proof sand paper of #240 to 400 on the
surface plate to level. Use #600 to finish.)
Replace if severely consumed.
Replace if less than specified limit.
Replace if more than specified limit.
Clean to remove.
Correct if possible (with #400 to 600 water proof sand paper), or replace.
Replace if more than specified limit.
Replace oil ring when top ring or second ring is replaced.
Replace if more than specified limit.
Replace if less than specified limit.
Replace if the gap is over specified limit only if cylinder inner wear is
less than specified limit. Replace oil ring when top ring or second ring
is replaced.
Replace if more than specified limit.
Replace if more than specified limit.
Replace if more than specified limit.
Replace if more than specified limit.
Replace if less than specified limit.
Replace if less than specified limit.
Replace if more than specified limit.
Replace if more than specified limit.
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