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How To Install Bearings
1.) Remove the rear wheel.
2.) Remove the old bearing. To do this, you will need to insert something, like a screw
driver, from the opposite side and simply push it out.
3.) Put the new bearings in. You will want to use something like a rubber mallet so you do
not crack the bearings. Set the wheel on a flat, absorbent surface, like a work bench.
Tap the bearing into the wheel evenly.
4.) Re-install the tire and test ride.
How To Check For Spark
***Use Caution when testing in proximity to gasoline or gas vapors.
1.) Remove the spark plug wire from the spark plug.
2.) Remove the spark plug.
3.) Install the spark plug wire back on the spark plug.
4.) Place the spark plugs metal end against the side of the motor or frame.
** ATTENTION** THE NEXT STEP WILL CAUSE A SPARK!!
5.) Pull the rope or use the electric start and watch for a spark between the spark plugs
electrodes.
6.) If there was not a spark try to disconnect this kill switch wires. This will be the wire
that comes out of the top of the motor, and runs down under the deck plate.
Disconnect it at the white plastic connection.
7.) Repeat step 5 to see if there is a spark.
8.) If you still do not see a spark the problem is likely the ignition coil.
9.) If you have spark after disconnecting the kill switch wire it is possible that your kill
switch is bad or the wire is shorted to ground.
How To Adjust Carburetor Air/Fuel Mixture
(If your engine has an air/fuel mixture screw
– NON US Models Only)
1.) Block the rear wheel off the ground and make sure that it will not come down.
2.) Adjust the screw on the carburetor (the one with the spring) in all the way (do not over
tighten as this will ruin the mixture screw) and then out a turn and a half.
3.) Start the scooter and let it warm up.
4.) Snap the throttle wide open. If the motor hesitates adjust the mixture screw open till it
no longer hesitates.
5.) Test ride the scooter.
6.) If the scooter does not seem to develop full power adjust the mixture screw in or out
1/8 of a turn at a time until motor has full power and does not hesitate when the
