Yamaha MX775 - Adjusting the Engine Speed; LOW ENGINE SPEED (Replace the Throttle Body)

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PERIODIC CHECKS AND ADJUSTMENTS
PERIODIC MAINTENANCE
b. Check the low engine speed.
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ADJUSTING THE ENGINE SPEED
1. Warm up the engine for several minutes.
2. Connect:
• FI Diagnostic Tool “1”
3. Adjust:
• High engine speed
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a. Move the throttle lever “1” to the high engine speed
position “a”.
b. Turn the throttle stop screw “2” in direction “b” or “c”
until the high engine speed is obtained.
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4. Adjust:
• Low engine speed
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FI Diagnostic Tool:
90890-03253
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a
bc
Direction “b”
High engine speed is increased.
Direction “c”
High engine speed is decreased.
High engine speed (with no load):
3550–3600 r/min