CARBURETION
3.25
Mikuni TMX Carburetor Service
Carburetor Disassembly and Inspection
1. Remove water trap assembly from float bowl and inspect
O-ring, hose and clamp condition. Refer to exploded
view corresponding with carburetor being serviced.
2. Inspect enricher (choke) fuel supply passage in bowl for
obstruction.
3. Use an automatic center punch to remove float arm pin.
Remove inlet needle and seat assembly.
4. Inspect needle for wear and replace sealing washers
upon reassembly.
CAUTION:
Do not bend float arm during disassembly. Support tower
casting when tapping pin out. Do not use excessive force to
remove float arm pin. The float pin tower castings are very
easily damaged and are not repairable.
5. Remove main jet and washer (or spacer ring) and push
needle jet into the slide valve chamber to remove. Clean
air bleed hole in needle jet.
6. Remove pilot jet.
CAUTION:
Wear eye protection when using compressed air or cleaning
solvents. Review all fuel system warnings found on page
3.1 before proceeding.
7. Remove pilot air screw and clean all passages in the
carburetor body with carburetor cleaner. Dry all
passages and jets with compressed air. Replace
gaskets and any parts which show wear or damage.
8. Reassemble carburetor, adjusting float level before
installing float bowl.
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