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FUEL & CARB
Vespa Rally/Sprint/Etc
1. Fuel cock lever with sediment trap: A) Reserve, B) Open, C) Closed - 2. Float - 3. Air cleaner with carburettor
4. Air vent for starter device - 5. Set screw for throttle slide - 6. Throttle slide - 7. Air vent for main jet
8. Hole on mixer top - 9. Mixer - 10. Main jet - 11. Idling jet - 12. Air vent for idling jet - 13.Plug for inlet hole for oil
14. Idling adjuster - 15. Valve for starter device - 16. Intake port - 17. Transfer ports - 18. Exhaust duct

 

Px/Efl/Etc
1. Fuel tap: R) Reserve; A) Open C) Closed; - 2. Float - 3. Air cleaner with carburettor 3/1.Air filter - 4. Choke device calibrator
5. Throttle slide set screw - 6. Throttle slide - 7.Main jet air calibrator - 8. Diffuser air calibrator
9. Diffuser - 10. Main jet - 11. Slow running jet - 12. Slow running jet air calibrator
13. Oil cap - 14. Idle air -fuel mixture adjusting screw - 15. Choke valve - 16. Inlet port - 17. Transfer ports - 18. Exhaust port.

 

 
Vespa Small Frame V50-90/Pv125/Etc

1. Fuel tap: A) Reserve; B) Open; C) Closed - 2. Throttle slide set screw -3. Slow running adjusting screw

4. Slow running jet - 5. Starter valve - 6. Slow running jet air calibrator -7. Air filter -8. Main jet air calibrator

9. Starter jet - 10. Float -11. Main jet - 12. Throttle slide -13. Inlet port -14. Transfer ports - 15. Exhaust port.
 
GS160/SS180

1. Three way tap (A. Reserve; B. Open; C. Closed). 2. Air cleaner. 3. Air corrector jet. 4.Slow running jet.
5. Air calibrator to idling jet. 6. Throttle slide set screw. 7. Air calibrator to starter jet. 8. Starter jet. 9. Starter valve.
10. Throttle slide. 11. Intake port. 12. Slow running adjuster screw. 13. Main jet. 14. Mixer. 15. Float and chamber.
 16. Cylinder transfer ports. 17. Piston transfer port. 18. Exhaust port. 19. Exhaust duct for excess fuel

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SOME INFORMATION ON THESE PAGES MAY VARY AS IT HAS COME FROM EDITED BOOKS # ARCHIVE # ETC.

MODERN FUELS-OILS-ETC MAY NOT BE THE SAME AS SHOWN ON SOME OF THE CHARTS. THESE ARE JUST A GUIDE.

Allstyles scooters