Service manual

ManualsBrandsYamaha ManualsAutomotiveYFZ450X

Table Of Contents

3 - 18

CHK

ADJ

CHECKING THE SPARK PLUG/

CHECKING THE IGNITION TIMING

9. Install:

• ignition coil

• fuel tank

• side covers (left and right)

• fuel tank cover

• seat

Refer to “SEAT, FENDERS AND FUEL

TANK”.

EBS00058

CHECKING THE IGNITION TIMING

NOTE:

_

Engine idling speed and throttle cable free play

should be adjusted properly before checking

the ignition timing.

1. Remove:

• seat

• fuel tank cover

• side covers (left and right)

• fuel tank

NOTE:

Slide the fuel tank.

Refer to “SEAT, FENDERS AND FUEL

TANK”.

2. Attach:

• digital tachometer

• timing light

(onto the ignition coil)

3. Install:

• fuel tank

Refer to “SEAT, FENDERS AND FUEL

TANK”.

Timing light

P/N. YM-33277-A, 90890-03141