2007 Johnson 2 HP 4-Stroke Service Manual, Page 105Get this manual

2007 Johnson 2 HP 4-Stroke Service Manual, Page 105

POWERHEAD WATER COOLING SYSTEM
WATER COOLING SYSTEM
The water cooling system consists of the water pump (in the midsection), the water tube (between the midsection and the powerhead) and the thermostat (in the cylinder)This system cools both the powerhead and the exhaustIf overheating occurs, the components of the cooling system must be inspected for blockage, corrosion build-up or damageThermostat When open

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