2007-2008 Yamaha Phazer Venture-Lite 500 Factory Service Manual, Page 206Get this manual

2007-2008 Yamaha Phazer Venture-Lite 500 Factory Service Manual, Page 206

VALVES AND VALVE SPRINGS 12Measure: Compressed valve spring force Out of specification Replace the valve springb Installed
1.19 in) Exhaust: 150.6173.2 at 30.50 mm (15.417.7 kg at 30.50 mm, 33.938.9 lb at 1.20 in) 13Measure: Valve spring tilt Out
of specification Replace the valve springMaximum valve spring tilt: Intake: 2.51.6 mm (0.06 in) Exhaust: 2.51.7 mm (0.07