Idle Speed - Joyner JNSZ800UV-R4 Owner's Manual

4. Increase the engine rev a few times.
5. Repeat 2, 3, 4 till the coolant is at neck and no bubbles come up.
6. Refit the coolant cap, turn it clockwise and tighten it.
7. Turn the reserve coolant case cap counterclockwise and open the cap.
8. Pour fresh coolant of the specified type into the reserve coolant tank till the coolant reaches
2/5 to 3/5 of the reserve coolant tank volume.
9. Close the reserve coolant case cap, turn it clockwise and tighten it.
Opening the radiator cap while the engine is hot can be hazardous.
Opening the radiator cap can spray the high temperature coolant in your eyes,
face and any parts of your body. This can result in severe injury.
Never open the radiator cap while the engine is hot.
New and used coolant can be hazardous.
Children and pets may be harmed by new or used coolant.
Continuous or brief contact with coolant may be dangerous for your health.
Keep new and used coolant away from the children and pets. To minimize your
exposure to new and used coolant, wear a long sleeve shirt and moisture-proof
gloves (such as dishwashing gloves) when you change coolant. If coolant contacts
your skin, wash thoroughly with soap and water. Wash any clothing or rags if wet
with coolant. Recycle or properly dispose of used coolant.
Failure to use the correct coolant or coolant not the same as one in the radiator
or reserve case can harm Off highway recreational vehicle your . Engine damage
may occur if you use coolant that does not meet the specifications.

Idle Speed

Adjustment
Never make unnecessary adjustments. The factory recommended settings are correct for most
applications. It's not necessary to disassemble the screw unless the idle speed needs to
adjustment.
Warm up the engine (5~10min)
a. Connect the tachometer; adjust the throttle to
limit the idle speed. The standard value is
(800-900RPM).
b. Adjust the screw and adjust the idle speed to an
ideal value.
c. Repeat step b until the RPM of engine stables.
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