ROTAX 125 MAX evo, Junior MAX evo, Mini MAX evo, Micro MAX evo
To change the carburetor main jet, proceed as follows:
Note: The carburetor must not be removed
from the engine in order to change the
jetting.
Warning: Handle fuel in well-ventilated areas
only.
Warning: When handling fuel, do not smoke
or allow naked flames. Gasoline
and gasoline vapor are highly
flammable and explosive under
certain conditions.
Warning: Make absolutely sure that fuel will
not splash onto hot engine parts or
equipment. Risk of fire and
explosion.
Attention: Do not spill any fuel. If fuel is spilled,
apply drying agent and dispose
ecologically.
Drain the fuel in the float chamber into
a suitable clean tray, by removing the
plug screw (pos. 27) and gasket ring
(pos. 26).
Note: The fuel drained from the float
chamber may be poured back into the
fuel tank.
Remove the main jet (pos. 15) and the
main jet cup (pos. 14).
Note: The size of the jet is imprinted on the
face of the main jet.
Select the appropriate size of main jet
refer to Table 1A resp. 1B.
Install the main jet cup (pos. 14) in
position as described in figure 2 and fit
the corresponding main jet (see Table
1A resp 1B).
Fit and hand tighten the plug screw
(pos. 27) and gasket ring (pos. 26)
Fig. 2
Note: At disassembled condition of the carburetor, the position of the jet needle (pos. 3)
can be changed too. The standard position of the jet needle is ‘position 2’. If the clip
(pos. 4) is set in ‘position 1’ of the jet needle, the full mixture in part and full load will
Seite/page 78/98
Ausgabe/Edition 11/2014
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