2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 293Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 293

MAINTENANCE SPECIFICATIONS Model Valve dimensions: Valve head diameter Intake Exhaust Valve face width Intake Exhaust Face
(0.020 0.035 in) Margin Thickness Valve stem diameter Intake Limit Exhaust Limit Valve guide inside diameter Intake Limit
Exhaust Limit Valve-stem-to-valve-guide clearance Intake Limit Exhaust Limit Valve stem runout limit 3.975 3.900 mm (0.1565
0.1535 in) 3.945 mm (0.1553 in) 4.460 4.475 mm (0.1756 0.1762 in) 4.43 mm (0.1744 in) 4.000 4.012 mm (0.1575 0.1580 in) 4.05
mm (0.1594 in) 4.500 4.512 mm (0.1772 0.1776 in) 4.55 mm (0.1791 in) 0.010 0.037 mm(0.0004 0.0015 in) 0.08 mm (0.0031 in)