Description needle clips Dell'orto type PHVA and PHBNIn combination with various other adjustment options, carburetor needles contribute to the final performance of your carburetor. You can play it safe and simply replace the original or try out other sizes.Compatible Dell'Orto carburetors:PHVA 17.5 ED (Dell'Orto reference 01012)PHVA 17.5 TS Minarelli (Dell'Orto reference 01389)PHVA 12 HP (Dell'Orto reference 01391)PHVA 17.5 TS Peugeot (Dell'Orto reference 01403)PHVA 17.5 US Honda / Kymco (Dell'Orto reference 01438)PHBN 17.5 LS (Dell'Orto reference 03067)PHBN 12 GS Aprilia scooter (Dell'Orto reference Dell'Orto 03069)PHVA 14 QD Piaggio (Dell'Orto Reference Dell'Orto 08374)DIN: 6799 Questions about the product

• Brand: Dell'Orto
• SKU: L-DEL136810021
• Availability: On demand
• PHVA 17.5 ED (Dell'Orto reference 01012)PHVA 17.5 TS Minarelli (Dell'Orto reference 01389)PHVA 12 HP (Dell'Orto reference 01391)PHVA 17.5 TS Peugeot (Dell'Orto reference 01403)PHVA 17.5 US Honda / Kymco (Dell'Orto reference 01438)PHBN 17.5 LS (Dell'Orto reference 03067)PHBN 12 GS Aprilia scooter (De

Notes and Safety Carburetor needleAlthough it is relatively rare, sometimes you need to change the carburetor needle to fine-tune the carburetor. In most cases, it is sufficient to change the position of the needle to optimize the settings.The position of the needle mainly affects engine behavior in the partial load range (1/4 to 3/4 throttle).The thickness of the needle affects the entire rpm range. Thinner needles lead to richer mixture, thicker ones will lean out the mixture.When adjusting the carburetor, it's a good idea to experiment a bit, preferably ordering a box of main jets (full throttle range), a box of pilot jets (mixture at low rpm) and a box of needles.