1969 Evinrude 40 HP Big Twin, Lark Service Repair Manual P/N 4596, Page 45Get this manual

1969 Evinrude 40 HP Big Twin, Lark Service Repair Manual P/N 4596, Page 45

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Figure 5-4 Thermostat
The motor is best checked when operating on boatIf this is not possible, run the motor in test tank

for at least five minutes, at maximum speed of 3000 rpm Mar

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