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Carburetor Adjustment & Tuning Tips
(2) throttle cables
(3) hot start cable
(4) throttle position sensor connector
(3)
(4)
(2)
134 Adjustments for Competition
Idle Speed Adjustment
1. If the engine is cold, start it and warm it up 3
minutes and then shut it off.
2. Connect a tachometer to the engine.
3. Shift into neutral. Start the engine.
4. Keep the motorcycle in an upright position.
5. Adjust idle speed with the throttle stop screw
(1).
Idle speed:
1,700 ± 100 rpm
(1) throttle stop screw
(1)
(5) air vent hoses
(6) overflow hose
(5)
(5)
(5)
(6)
• Route the throttle cables (2), hot start cable
(3) and throttle sensor wire correctly.
• After installing the carburetor, adjust the
throttle cable freeplay and hot start cable
freeplay.
• After installing the carburetor, check the
throttle position sensor connector (4) for
correct routing.
• After installing the carburetor, check the air
vent hoses (5) and overflow hose (6) for
kinking or pinching and correct routing.
• Check that the U-ring and O-ring are in good
condition. Replace them if necessary.
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