2008 Yamaha Motorsports Apex LTX Owners Manual - Page 51

2008 Yamaha Motorsports Apex LTX Manual

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Periodic maintenance When installing the spark plug, always clean the gasket surface. Wipe off any grime from the threads and tighten the spark plug to the specified torque. Spark plug tightening torque: 12.5 Nm (1.25 m·kgf, 9 ft·lb) ECS00380 CAUTION: Make sure that the spark plug caps are securely installed. Otherwise the spark plug caps could be damaged due to engine vibration. ESU11801 1. Idle adjusting screw Standard engine idling speed: 1400-1600 r/min 5. Install the headlight unit, making sure to insert the projections on the headlight unit stay into the slots on the bottom of the headlight unit. Adjusting the engine idling speed ECS00400 CAUTION: G G Be sure to have a Yamaha dealer make this adjustment. Make sure that the throttle lever moves smoothly. Remove the shroud, the left and right side covers, and the top cover. (See page 42 for removal procedures.) Start the engine and warm it up. Remove the headlight unit bolts, and then lift up the headlight unit. 1. 2. 3. 6. Install the headlight unit bolts, and then tighten them to the specified torque. Headlight unit bolt tightening torque: 3 Nm (0.3 m·kgf, 2.2 ft·lb) 7. Install the top cover, the left and right side covers, and the shroud. ESU11831 Adjusting the throttle cable free play 1. 1. Headlight unit bolt Remove the shroud. (See page 42 for removal procedures.) 4. Turn the idle adjusting screw in or out to adjust the engine idling speed. 45

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Periodic maintenance
45
When installing the spark plug, always clean
the gasket surface. Wipe off any grime from
the threads and tighten the spark plug to the
specified torque.
CAUTION:
ECS00380
Make sure that the spark plug caps are se-
curely installed. Otherwise the spark plug
caps could be damaged due to engine vi-
bration.
ESU11801
Adjusting the engine idling
speed
CAUTION:
ECS00400
●
Be sure to have a Yamaha dealer make
this adjustment.
●
Make sure that the throttle lever moves
smoothly.
1.
Remove the shroud, the left and right
side covers, and the top cover. (See page
42 for removal procedures.)
2.
Start the engine and warm it up.
3.
Remove the headlight unit bolts, and then
lift up the headlight unit.
4.
Turn the idle adjusting screw in or out to
adjust the engine idling speed.
5.
Install the headlight unit, making sure to
insert the projections on the headlight
unit stay into the slots on the bottom of
the headlight unit.
6.
Install the headlight unit bolts, and then
tighten them to the specified torque.
7.
Install the top cover, the left and right side
covers, and the shroud.
ESU11831
Adjusting the throttle cable free
play
1.
Remove the shroud. (See page 42 for re-
moval procedures.)
Spark plug tightening torque:
12.5 Nm (1.25 m·kgf, 9 ft·lb)
1.
Headlight unit bolt
1.
Idle adjusting screw
Standard engine idling speed:
1400–1600 r/min
Headlight unit bolt tightening torque:
3 Nm (0.3 m·kgf, 2.2 ft·lb)