2007 Arctic Cat Four-Stroke Factory Service Manual, Page 138Get this manual
Turbo Valve Clearance (Cold) 1525 (5977 F) 1525 (5977 F) Intake: Exhaust: 0.180.23 mm (0.0080.009 in 0.300.35 mm (0.0110.013 in
REPLACING VALVE SHIM
1With the valve closed, turn the shim bucket so the notched section faces toward the center of the engineAO236A