PERIODIC MAINTENANCE AND ADJUSTMENT

EAU44734

Checking the engine idling speed

Check the engine idling speed and, if necessary, have it corrected by a Yamaha dealer.

Engine idling speed:

1700 ~ 1900 r/min

EAU21382

EAU21401

Checking the throttle cable

Valve clearance

free play

The valve clearance changes with use,

 

resulting in improper air-fuel mixture and/

 

or engine noise. To prevent this from

 

occurring, the valve clearance must be

 

adjusted by a Yamaha dealer at the in-

 

tervals specified in the periodic mainte-

1nance and lubrication chart.

6

1. Throttle cable free play

The throttle cable free play should measure 3~5 mm (0.12~0.20 in) at the throttle grip. Periodically check the throttle cable free play and, if necessary, have a Yamaha dealer adjust it.

6-15