2001 Yamaha YFM660 Raptor Factory Service Manual, Page 320Get this manual

2001 Yamaha YFM660 Raptor Factory Service Manual, Page 320

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COOLING SYSTEM
Water temperature Good condition Thermo switch92 (32197.6 5.4 F) More than 98 (208.4 5.4 F) 98 to 92 3 (208.4 5.4 to 197.6 5.4 F) Less than 92 4 (197.6 5.4 F) Tests2; Heat-up test