TIMING AND SYNCHRONIZATION
90-857138R1 MAY 2000 Page 2C-5
Check Timing
1. Connect timing light (91-99379) to engine.
2. Start engine and allow it to warm up to normal operating temperature.
3. Throttle engine back to idle and shift into “Forward” gear.
4. With engine idling in “Forward” gear, use timing light and check flywheel timing mark
alignment. Idle timing should be 25° B.T.D.C.
5. With engine in “Forward” gear, fully advance throttle to W.O.T. position. Use timing light
and check that timing mark of flywheel maintains alignment with crankcase cover/cylin-
der block 25° B.T.D.C. timing mark.
b
a
a-25° B.T.D.C.
b-Timing Mark of Flywheel
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