2004 Yamaha Motorsports Grizzly 125 Automatic Owners Manual - Page 113

2004 Yamaha Motorsports Grizzly 125 Automatic Manual

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EBU00303 2. Connect the tachometer to the spark plug lead, and then set the idle to the specified idling speed by adjusting the throttle stop screw. Turn the screw in direction a to increase the engine speed, and in direction b to decrease the engine speed. Specified idle speed: 1,650-1,750 r/min Valve clearance adjustment The correct valve clearance changes with use, resulting in improper fuel/air supply or engine noise. To prevent this, the valve clearance must be adjusted regularly. This adjustment however, should be left to a professional Yamaha service technician. q a b 1. Throttle stop screw 8-18

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2. Connect the tachometer to the spark plug
lead, and then set the idle to the specified
idling speed by adjusting the throttle stop
screw. Turn the screw in direction
a
to
increase the engine speed, and in direction
b
to decrease the engine speed.
EBU00303
Valve clearance adjustment
The correct valve clearance changes with use,
resulting in improper fuel/air supply or engine
noise. To prevent this, the valve clearance must
be adjusted regularly. This adjustment however,
should be left to a professional Yamaha service
technician.
8-18
Specified idle speed:
1,650–1,750 r/min
a
b
q
1.
Throttle stop screw