2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 349Get this manual

2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 349

Quality of the image is intentionally reduced!

SIGNAL SYSTEM
Remove the thermo switch from the cylinder headConnect the pocket tester1) to the thermo switch 1 Immerse the thermo switch in coolant 2 Check the thermo switch for continuityWhile