2011 Yamaha Motorsports Grizzly 350 Owners Manual - Page 95

2011 Yamaha Motorsports Grizzly 350 Manual

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TIP A diagnostic tachometer is needed to make this adjustment. 1. Start the engine and warm it up. TIP The engine is warm when it quickly responds to the throttle. 2. Attach the tachometer to the spark plug lead. 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). 1. Throttle stop screw Engine idling speed: 1450-1550 r/min 8 TIP If the specified idling speed cannot be obtained as described above, have a Yamaha dealer make the adjustment. EBU24047 Adjusting the throttle lever free play The throttle lever free play should be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and lubrication chart. 8-25

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8-25
8
TIP
A diagnostic tachometer is needed to make this
adjustment.
1.
Start the engine and warm it up.
TIP
The engine is warm when it quickly responds to the
throttle.
2.
Attach the tachometer to the spark plug lead.
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.
EBU24047
Adjusting the throttle lever free play
The throttle lever free play should be checked and,
if necessary, adjusted at the intervals specified in
the periodic maintenance and lubrication chart.
1.
Throttle stop screw
Engine idling speed:
1450–1550 r/min