Carburettor
- Disassemble the carburettor in its parts, wash all
of them with solvent, dry all body grooves with
compressed air to ensure adequate cleaning.
- Check carefully that the parts are in good condi-
tion.
-The throttle valve should move freely in the
chamber. Replace valve in case of wear due to
excessive clearance.
- If there are wear marks in the chamber causing
inadequate tightness or a free valve slide (even if
it is new), replace the carburettor.
- It is advisable to replace the gaskets at every refit.
WARNING
PETROL IS HIGHLY EXPLOSIVE ALWAYS REPLACE THE
GASKETS TO AVOID PETROL LEAKS
1. Needle valve - 2. Idle speed adjustment screw - 3. Max jet - 4. Accelerating pump - 5. Tapered pin -
6. Jet holder - 7. Float - 8. Chamber - 9. Starter device - 10. Vacuum valve - 11. Cover - 12. Minimum
jet.
Specifications
Brand and Code: KEIHIN CVK 20
Adjustment code: AD8A
Type: vacuum
Diffuser diameter Ø 20.5 mm
Max. jet: 75
Min. jet: 35
Starter nozzle: 45
Starter nozzle code: 6ZC
Diffuser: Ø 2.1 mm
Tapered pin Type: 4 REEG
Notches from the top: the rod has no notches
Gasoline inlet hole: Ø 1.6 mm
Starter piston protrusion: 11 mm at 24ºC
Maintenance MSS ZIP 100 4T
MAIN - 28
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