1968 Evinrude Big Twin, Lark 40 HP Outboards Service Repair Manual P/N 4483, Page 45Get this manual

1968 Evinrude Big Twin, Lark 40 HP Outboards Service Repair Manual P/N 4483, Page 45

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Figure 5-4 Thermostat
CHECKING MOTOR TEMPERATURE TI1e Markal Thermomelt Stik, heat ssitiv stick similar to which melts contact with surface at specific tmt', is used to measure powel' head tempe