Joyner Dirt Devil SZ250DS 2006 Owner's Manual And Parts Manual page 23

I. Chain Adjustment
Check the chain adjustment after first two hours of use. Readjust if it has more than
1/2" flex. (See figure 12)
a. Loosen 12 Bolts
b. Insert the special tools into the holes, Rotate the axle clockwise to adjust the chain
for a right position. At the same time, keep the same distance of two end of axle to fixed
points which fixed rear swingarm on frame.
c. Tighten the 12 bolts.
J. Storage Instruction
In the event your kart is not to be operated for periods in excess of 30 days or at the
end of each driving season prepare for storage as follows:
a. Drain fuel tank and carburetor by allowing engine to run out of fuel, or use a fuel
stabilizer.
b. Lubricate engine cylinder by removing the spark plug and pour one ounce of clean
lubricating oil through the spark plug hole into the cylinder. Crank the engine slowly
to spread oil and replace spark plug.
c. Do not save or store gasoline over winter. Using old gasoline, which has
deteriorated from storage, will cause hard starting and affect engine performance.
Figure 12