2010 Yamaha Motorsports Big Bear 400 4x4 IRS Owners Manual - Page 107

2010 Yamaha Motorsports Big Bear 400 4x4 IRS Manual

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3. Check the engine idling speed and, if necessary, adjust it to specification by turning the throttle stop screw at the carburetor. To increase the engine idling speed, turn the throttle stop screw in direction (a), and to decrease it, turn the screw in direction (b). TIP If the specified idling speed cannot be obtained as described above, have a Yamaha dealer make the adjustment. EBU24045 Adjusting the throttle cable free play The throttle cable free play should be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and lubrication chart. The throttle cable free play should measure 3.0- 5.0 mm (0.12-0.20 in) at the throttle lever. Periodically check the throttle cable free play and, if necessary, adjust it as follows. 1. Throttle stop screw 8 Engine idling speed: 1450-1550 r/min TIP The engine idling speed must be checked, and adjusted if necessary, before adjusting the throttle cable free play. 1. Slide the rubber cover back. 2. Loosen the locknut. 3. To increase the throttle cable free play, turn the throttle cable free play adjusting bolt in direction (a). To decrease the throttle cable free play, turn the adjusting bolt in direction (b). 8-26

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8-26
8
3.
Check the engine idling speed and, if neces-
sary, adjust it to specification by turning the
throttle stop screw at the carburetor. To in-
crease the engine idling speed, turn the throt-
tle stop screw in direction (a), and to decrease
it, turn the screw in direction (b).
TIP
If the specified idling speed cannot be obtained as
described above, have a Yamaha dealer make the
adjustment.
EBU24045
Adjusting the throttle cable free play
The throttle cable free play should be checked
and, if necessary, adjusted at the intervals speci-
fied in the periodic maintenance and lubrication
chart.
The throttle cable free play should measure 3.0–
5.0 mm (0.12–0.20 in) at the throttle lever. Period-
ically check the throttle cable free play and, if nec-
essary, adjust it as follows.
TIP
The engine idling speed must be checked, and ad-
justed if necessary, before adjusting the throttle ca-
ble free play.
1.
Slide the rubber cover back.
2.
Loosen the locknut.
3.
To increase the throttle cable free play, turn
the throttle cable free play adjusting bolt in di-
rection (a). To decrease the throttle cable free
play, turn the adjusting bolt in direction (b).
1.
Throttle stop screw
Engine idling speed:
1450–1550 r/min