Index Snowmobiles / ATV Snowmobile Yamaha Phazer PZ50W, PZ50GTW, PZ50FXW, PZ50MW, PZ50VTW, PZ50MPW - service manual 2007 year
|
|
2-8 INSP ADJ 3. Remove: • Cylinder head cover Refer to “CAMSHAFTS” in CHAPTER 5. • Timing mark accessing screw 1 4. Measure: • Valve clearance Out of specification → Adjust. Checking steps: • Turn the crankshaft counterclockwise. stroke, align the TDC mark a on the A.C. mag- neto rotor with the mark b on the A.C. magneto cover. NOTE: TDC on the compression stroke can be found when • Measure the valve clearance with a thickness gauge 1. NOTE: • If the valve clearance is incorrect, record the measured reading. • Measure the valve clearance in the following sequence. • Turn the crankshaft 180° counterclockwise and check the valve clearance of piston #2. È Front Valve clearance (cold): Intake valve: 0.11 ~ 0.20 mm Exhaust valve: 0.21 ~ 0.25 mm Valve clearance measuring sequence Cylinder #1 → #2 1 2 a b 1 |