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Xmotos XB21A 2018 Operating Instructions Manual page 30

Dirt bike, pitbike

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Remember, idle adjustment is not a real cure for other
problems in your engines' fuel delivery system. Adjusting
the idle will not solve or compensate for a fault elsewhere
in the engine. If you are having trouble, please contact
your Xmotos dealer.
The engine must be at normal operating temperature for
an accurate adjustment.
1. If the engine is cold, start it up and let it warm up for 3-
5 minutes then shut it off.
2. Connect a tachometer to the engine.
3. Make sure the transmission is in neutral gear.
4. Keep the motorcycle in an upright position.
5. Adjust the idle speed with the stop screw
6. To increase the idle, turn the screw to
7. To decrease the idle, turn the screw to
8. The idle screw might look like and located on different
sides of the motorcycle, depending on which model
you have.
9. The idle must be at 1500 ± 100 Rpm.
10. DO NOT adjust the air/fuel mixture screw
been set from the factory. This should only be adjusted
by an Xmotos dealer. SEALED FOR THE USA
30
. It has

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