Carburetor Inspection; Needlve Valve Inspection - Suzuki RG250 Service Manual

• Remove the float.
• Remove the needle valve, main jet and pilot jet.
INSPECTION
• Check following items for any damage or
clogging.
"*
Pilot jet
*
Main jet
* Needle jet air bleeding hole
* Float
* Needle valve Q·ring
*
Fue l pipe
NEEDLE VA LV E
If foreign matter is caught between the valve seat
and the needle, the gasoline will continue flo wing
and
cause it to overflow. If the seat and needle are
worn beyond the permissible limits, similar trouble
wi II
occur.
Conversely. if the needle sticks, the
gasoline will not flow into the float chamber.
Clean the float chamber and float parts with
gasoline. If the needle is worn as shown in the
il lustration, replace it together with a valve seat.
Clean the fuel passage of the mixing chamber with
compressed air.
FUEL AND LUBRICATION SYSTEM 5·4
" Gasket
" Drain plug gasket
" Pilot outlet and by ·pass holes