2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 355Get this manual

2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 355

COOLING SYSTEM

6.Thermo switch

C0NTINUITY

Remove the thermo switch from the radiatorConnect the pocket tester10) to the thermo switch 1Immerse the thermo switch in coolant 2Check the thermo switch for continuityWhile heating the coolant use thermometer to record the temperaturesTest step

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