Service Instruction - Joyner JNSZ250DN Owner's Manual

SERVICE INSTRUCTION

A． Air cleaner clean.
Every 80 hours, service air
cleaner one time under dusty
conditions. Service more often.
a. Remove cleaner cover 1.
b. Remove air cleaner filter core
(See Fig. 9)
c. Check the filter paper, if the
filter paper is dusty, please
clean with pressure gas or
replace with a new one
B. Engine Lubrication
You must change the oil in the crankcase after the first 5 hours of operating of
your new engine and after 10 hours of use thereafter. That will insure proper
lubrication of internal parts and prevent costly repairs due to excessive wear.
Never operate this Go-Kart when the provided seat is not securely fastened, to do so
could result in a strong possibility of severe personal injury or loss of life.
a. Remove fill plug located on bottom
of engine (See Fig. 10). Tip kart
backwards slightly by blocking up the
front end and drain oil into suitable
container.
b. Replace fill
securely. Place kart in a level
position.
c. Refill crankcase
1000 ml) to top of filler neck with SAE
10W/30 oil. Use same grade of oil as
used originally.
d. Check oil level before each use of
dart or after each 10 hours of operation.
Add oil to bring up to proper lever. Do
not mix various grades of oil.
C. Engine Coolant
You should check the coolant for lack. If
lack, you should
(approximately 1800 ml) into the radiator
or reserve coolant. The lack of coolant
will cause engine overheat. This can
cause engine damage.
D. Spark Plug
plug and tighten
(approximately
refill coolant
Filter core
Figure 9
fill plug
23
Cover 1
Figure 10
Figure 11