Manuel d'entretien et d'utilisation
user maintenance guide
5.3 - Adjustment of rear wheels
5.3.1 - Adjustment of hubs
A
7
5
6
3
2
1
4
Legend
1 Ruler
2 Hub base
3 Top of the axle
4 CHC screw
5 Cotter pin
6 Axle
7 Hub
● Place the kart on a trolley.
● Unscrew the 3 nylstop nuts from the rear wheels with the
proper size wrench, and then remove wheels.
● Using a rule (1) or any depth gauge, measure between the
hub base (2) and the top of the axle (3).
● Undo the CHC screws (4) of the rear hub with an
appropriate wrench until the hub can slide along the axle
shaft (6) and cotter pin (5).
● Move the hub (7) to the desired position with the rule (1) in
place against the hub base (2).
● Retighten and block the CHC (4) screws.
● Repeat the operation on the other hub.
● Replace both wheels following the rotation direction
indicated on tyre wall.
● Replace locknuts (nylstop) and tighten securely.
● A rear tracking width is measured from the
outside of the rims (left and right).
● A wider rear tracking width tends to increase
sliding. Too narrow a rear tracking width may
lead to a bumpy chassis.
► Badly tightened wheels may lead to severe,
even fatal injuries.
► Check the hub key (5) is correctly positioned.
► Never position the hubs beyond the maximum
allowed width: it may lead to severe or even
fatal injuries.
5.3.2 - Position of rear axle
On most tracks, the correct axle position is middle position.
This corresponds to a low position of the chassis relative to
the ground.
● A large ground clearance means more grip.
● A low ground clearance means more sliding.
5.3.3 - Type of axle
The stiffness of the axle plays an important part in the
behaviour of the kart.
● Visit ITAKA web site for different axle types.
● A exible axle suits high grip conditions (Heat and (or) gum
on the track).
● A stiff axle suits low grip conditions (rain, humid track, cold
with little gum track).
In order to get the best out of your kart, do not hesitate to test
different stiffness of axle :
Q32
Adapt
Q20
C25
Q30
SOFT
MEDIUM HARD
TM20
TS20
TH20
TS25
TH25
TH30 THH20
● TH20, TM20 and TS20 axles are not
recommended in KZ category.
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