Idling Speed Adjustment - Yamaha SR125 1997 Service Manual

VALVE CLEARANCE ADJUSTMENT/

IDLING SPEED ADJUSTMENT

A
5. Adjust:
: Valve clearance
***************************************
Adjustment steps:
: Loosen the locknut 1 .
: Turn the adjuster 3 in or out with the valve ad-
justing tool 2 until specified clearance is ob-
tained.
Turning in ! Valve clearance is decreased.
Turning out ! Valve clearance is increased.
Valve adjusting tool:
: Hold the adjuster to prevent it from moving and
tighten the locknut.
: Measure the valve clearance.
: If the clearance is incorrect, repeat above
steps until specified clearance is obtained.
***************************************
B
6. Install:
: Valve cover (intake side) 1
: O-ring 2
: Valve cover (exhaust side) 3
: O-ring 4
A Intake side
B Exhaust side
7. Install:
: Spark plug
: Timing check window screw 1
(with O-ring)
: Center plug 2
(with O-ring)
YP303022
IDLING SPEED ADJUSTMENT
1. Start the engine and let it warm up for several
minutes.
2. Attach:
: Inductive tachometer to the spark plug lead.
Inductive tachometer:
3-5
INSP
ADJ
90890-01311
14 Nm (1.4 m:kg)
10 Nm (1.0 m:kg)
New
10 Nm (1.0 m:kg)
New
18 Nm (1.8 m:kg)
90890-03113