TOHATSU MFS 4 Service Manual page 219

Standard value
23.13mm over
0.25mm (0.0047 Ð 0.0079in)
5.96mm (0.2346in)
0.10mm (0.0039in) Wear of oil pump cover is included.
10mm (0.4in)
1.2mm (0.047in)
Open even a little at ambient temperature
Because thermostat operates with some time lag, measure the lift of open valve
after maintaining at around 65¡ (150¡F) for approximately 5 minutes.
3.0mm (0.12in)
If the part is worn, cracked or damaged at the outer ends or at upper of lower lip
0.05mm (0.0020in)
0.3mm (0.0118in) or over
0.98mm (0.0386in) or over
0.1mm (0.0039in) or over
0.1mm (0.0039in) or over
State of outer diameter reduction, blade bend or damage
3.70mm (0.1457in)
0.2mm (0.008in)
0.5mm (0.020in)
Lip is deteriorated, degraded, or damaged, or the tightening margin
is reduced to 0.5mm (0.020in) or less by wear.
4st 4/5/6 2011
Standard value
Replace if over upper limit.
Replace if over upper limit.
Replace if under lower limit.
Replace if over upper limit.
Replace if under lower limit.
Adjust into specified range.
Replace if out of specified range.
Replace if out of specified range.
Replace if out of specified range.
Replace if out of specified range
lean to remove carbon deposit and dirt. Adjust gap by moving side
electrode. Replace if electrode is severely eroded.
Replace if out of specified range.
Replace if out of specified range.
Replace if under lower limit.
Replace pump case liner and guide plate as a set.
Replace if severely worn
Replace if severely worn
Replace if severely worn
Replace if severely worn
Replace if necessary.
Replace if over upper limit.
Replace if over upper limit.
Replace if necessary.
Replace if under lower limit.
Replace if necessary.
Replace if over upper limit.
Replace if over upper limit.
Replace if severely worn
Replace if out of specified range.
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