Removing Thermostat; Disassembling Cylinder Head And Head Cover; Inspecting Engine Anode - TOHATSU TLDI 40 Service Manual

Removing Thermostat

Remove the following components.
q Bolt: type H625 at 2 locations
w Thermostat cap
e Thermostat
Inspect the following components.
• Check to see whether foreign matter has entered
valve.
• Confirm valve operates within designated
temperature range.
• Valve opening temperature: 52°C ± 1.5°C
• Valve closing temperature : 62°C ± 1.5°C
• Valve full lift height: 3 mm (0.12 in) or more

Disassembling Cylinder Head and Head Cover

Remove the following components.
q Bolt: type H625 at 4 locations
Remove the 6 mm bolt first.
w Bolt: type H865 at 14 locations
When removing the 8 mm bolts, loosen in sequence
starting from the highest embossed number.

Inspecting Engine Anode

Inspect the following component.
q Engine anode
Replace when excessively worn.
: 126°F ± 3°F
: 149°F ± 3°F
4-37
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q
w
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