Yamaha ft9 9dmh outboard service repair manual x 500101

Page 138

INSP ADJ

POWER UNIT

E Ignition timing check NOTE: 9 Ignition timing is automatically controlled by the CDI unit. Therefore, only checking procedure is shown in this section. 9 Before checking the ignition timing, make sure the engine idling speed is properly adjusted. 1. Check: 9 Ignition timing Incorrect firing range → Check the ignition system components. Checking steps: 8 Start the engine and allow it to warm up for several minutes. 8 Attach the engine tachometer and timing light the spark plug lead of cylinder #1.

1

Tachometer: YU-8036-A/90890-06760 Timing light: YU-8036-A/90890-06760

3

8 Aim the timing light at the flywheel rotor assembly 1 and make sure the stationary pointer 2 is within the firing range 3 on the flywheel rotor assembly. 8 Increase the engine speed past 3,000 r/min and make sure the firing range 4 advances automatically.

2

4

3

NOTE: If the firing range does not advance automatically, check the ignition system components.

3-14


Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.