Owner`s manual

ADJUSTABLE/REMOVABLE
TORSION BARS AND CLAMPS
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cont
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Why?
1. Removable Front Torsion Bars & Clamps
Removable front torsion bars and clamps affect the mechanical grip of the front tyres. Removing
the front torsion bar in your kart will decrease front-end mechanical grip.
2. Adjustable/Removable Side Torsion Bar (chassis fourth rail)
The tension bolts on the fourth rail on some karts are designed to allow adjustment to the stiffness
of the centre section of these chassis rails. Under normal track conditions this bolt should be left
in and done up tight. As a track offers more grip or as rubber goes down on the driving line, then
the bolt should be loosened until the point you can turn it freely with your fingers. If the track has
good grip with a lot of rubber on the driving line or if the track is very bumpy then the bolt and its
spacer should be removed from the kart altogether.
Some Arrow karts also provide the ability to remove the fourth rail/side torsion bar completely.
Having the side bar fitted in your Kart will normally provide more grip. Conversely, removing this
torsion bar will reduce grip.
3. Adjustable/Removable Rear Torsion Bar
The adjustable/removable rear torsion bar is a good tool in helping to create more grip in the back
of your kart. Some Arrow karts are supplied with this chassis-tuning feature. This allows you to
fine tune the chassis by increasing or decreasing rear end grip. Running the bar “full stiff” (i.e. with
the blade of the torsion bar set vertically to the track’s surface,) will maximize rear mechanical grip
as well as reducing rear chassis roll. Turning the bar towards the horizontal position will reduce
rear mechanical grip while increasing rear chassis roll. Removing the rear torsion bar completely
is the ‘free-est’ setting.
4. Centre Rail Torsion Clamp
In low to standard grip levels, removing the clamp will allow the kart to release better off the turn
and keep engine momentum up, but the kart will slide more. Fitting the clamp will provide more all
round grip to the kart, but exit speed off tighter turns will be lower.
In high grip conditions the chassis will already be flexing a lot more, therefore we recommend
fitting the clamp as it will provide more steering, better balance and the engine speed off the tighter
turns will be higher.
18 ADJUSTABLE/REMOVABLE TORSION BARS & CLAMPS