2007-2008 Yamaha YFM700 Grizzly Factory Service Manual, Page 189Get this manual
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VALVES AND VALVE SPRINGS
Compressed spring force 169.0199.0 at 35.00 mm (17.2320.29 kg at 35.00 mm, 37.9944.73 lb at 1.38 in)
12.Measure: spring tilt Out of specification Rep