Chapter 5: Troubleshooting - j3 competition kosmic Manual

the faster the tires will come up to race performance and the more grip you will have. However, if you put too much air
pressure in the tires, the kart will become very loose. The reason for this is because the high pressures will cause the tire
contact patch to form a curve in which there becomes a high point on the center of the contact patch. As a result, only part of
the tire is actually touching the track and the kart gets loose.
4.3: Front Bumper
Tonykart recommends keeping the front bumper tight at almost all times. However, loosening the front bumper can be used
as a tuning tool. Loosening the front bumper will give you more front end bite.
4.4: Side Pods
In normal circumstances you will want to leave the side pods tight although you shouldn't' be afraid to loosen them as a
chassis adjustment. Loosening the side pods will give the kart more side bite and allow for less four wheel sliding.

Chapter 5: Troubleshooting

Below is a chart of quick and easy adjustments recommended for different handling problems. Always make only one
.
adjustment at a time
Handling Problem
The back end is loose at the entrance of the
corner or there is too much front end bite.
The front end of the kart is "pushing out", there
is understeer, or the back end is tight at the
entrance of the corner.
The kart is sliding on all four wheels too much or
there is not enough side bite.
The kart is not sliding enough on all four wheels
or there is too much side bite.
The kart is loose at the exit of the corner.
Chasis Adjustment
1. Move in one wheel spacer on both spindles
2. Drop 1 psi in the front tires
3. Move weight away from the front of the kart
4. lower the front of the chassis
5. Put less castor in.
6. Tighten the front bumper if not already tight.
7. Check to make sure your toe is set at neutral
1. Move out one wheel spacer on both spindles.
2. Raise the air pressure in the front tires by 1 psi.
3. Add weight to the front of the kart
4. Add more castor.
5. Raise the front end of the kart
6. Loosen the front bumper.
7. Check to make sure your toe is set at neutral,
add more toe out.
1. Turn the torsion bar in the center of the kart to
the vertical position.
2. Loosen the side pods.
3. Raise the air pressure in all 4 tires by 1 psi.
1. Turn the torsion bar in the center of the kart to
the horizontal position.
2. Tighten the side pods.
3. Lower the air pressure in all 4 tires by 1 psi.
1. Put longer wheel hubs on the axle.
2. Set the rear track to the maximum 50.0 inches if
not already done.
3. Raise the air pressure in the rear tires by 1 psi.
4. Raise any ballast to a higher vertical position on
the rear of the kart.
5. Raise the rear ride height to the maximum if not
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