Rotax RM 1 Benutzerhandbuch Seite 96

The carburetor jetting can be modified as follows:
Remove fuel hose from carburetor inlet and pinch fuel hose so that no fuel can flow out of
the carburetor inlet.
Loosen both hose clamps at carburetor socket and silencer socket and remove carburetor.
Attention: When removing the carburetor always hold it in vertical position to avoid flowing out
of fuel.
Warning: Handle fuel only in well vented areas!
Warning: When handling fuel do not handle with open light or fire. Fuel and fuel vapours are
easily inflammable and explosive!
Warning: Fuel must not get in contact with hot engine parts or accessories – risk of
inflammation and explosion.
Attention: Do not spill fuel. Soak spilled fuel immediately with adequate absorbant material and
dispose of it environmentally friendly.
Hold carburetor over a fuel-proof and clean
container and remove plug screw (pos.27) and
gasket (pos.26).
Note: The fuel drained from the float chamber can
be refilled into the fuel tank if it is not
contaminated.
Remove main jet (pos.15) and jet cup
(pos.14).
Note: The size of the main jet is stamped at its
front side.
Chose a main jet of the required size (see Chart 1A
or 1B).
Fit jet cup (pos.14) in the position shown on the
illustration, and main jet (pos.15) of the required
size (see Chart 1A or 1B).
Mount plug screw (pos.27) with gasket (pos.26)
and tighten it with manual force.
Note: When the carburetor is removed, the
position of the jet needle (3) can be
modified. The standard position of the jet
needle is at „position 2".
Seite/page 96/132
Operator`s Manual RM1
ROTAX KART RM1 Ausgabe/Edition 05/2003