Yamaha F225A Service Manual page 113

NOTE:
Do not turn the flywheel magnet counter-
clockwise.
4. Check the intake and exhaust valve
clearance for cylinder #4.
5. Turn the flywheel magnet an additional
120° clockwise and align the "2TDC"
mark g on the flywheel magnet with the
pointer b.
6. Check the intake and exhaust valve
clearance for cylinder #5.
7. Turn the flywheel magnet an additional
120° clockwise and align the "3TDC"
mark h on the flywheel magnet with the
pointer b.
8. Check the intake and exhaust valve
clearance for cylinder #6.
69J3D11
9. Similarly, check the valve clearance of
cylinders #1, #2, and #3 in order, and be
sure to turn the flywheel magnet 120°
clockwise each time. Adjust if out of
specification.
NOTE:
• Check the valve clearance when the engine
is cold.
• Note the measurement.
Valve clearance:
Intake i:
0.20 ± 0.03 mm (0.008 ± 0.001 in)
Exhaust j:
0.34 ± 0.03 mm (0.013 ± 0.001 in)
Power unit
1
2
3
4
5
6
7
8
9
5-16