2-16 FUEL SYSTEM
Disassemble the carburetors.
Clean the carburetors.
Check that the O-rings on the float bowl and drain plug
and the diaphragm on the vacuum piston are in good con-
If any of the O-rings or diaphragms are not in good con-
dition, replace them.
Check the plastic tip [A] of the float valve needle [B]. It
should be smooth, without any grooves, scratches, or
If the plastic tip is damaged [C], replace the needle.
Push in the rod [D] in the other end of the float valve nee-
dle, and then release it [E].
If it does not spring out, replace the needle.
Check the tapered portion [A] of the pilot screw [B] for
wear or damage.
If the pilot screw is worn or damaged on the tapered por-
tion, it will prevent the engine from idling smoothly. Re-
Check that the vacuum piston [A] moves smoothly in the
carburetor body. The surface of the piston must not be
If the vacuum piston does not move smoothly, or if it is
very loose in the carburetor body, replace the carburetor.
Coolant Filter Cleaning (AT, DE, FR, IT, NL, CH, GB,
Before winter season starts, clean the filter of carburetor
Remove the fuel tank (see Fuel Tank Removal).
Drain the coolant (see Coolant Draining in the Cooling
Remove the filter [A] from the cooling hoses [B] of carbu-
Blow off dirt and sediment on the filter with compressed
AT: Austria Model
DE: Germany Model
FR: France Model
IT: Italy Model
NL: Netherlands Model
CH: Switzerland Model
GB: United Kingdom Model
KR: Korea Model