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![Dellorto PHVB M5x0.75 slow speed nozzle [038].](https://img.gmoto.pl/341412/dysza-wolnych-obrotow-dellorto-phvb-m5x075-038_1_m2.webp)
![Dellorto PHVB M5x0.75 slow speed nozzle [045].](https://img.gmoto.pl/341414/dysza-wolnych-obrotow-dellorto-phvb-m5x075-045_1_m2.webp)
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Products reviews
The nozzle is ideal for adjusting the carburetor on a Chinese 2t scooter (zipp quantum). This is the most common nozzle size for unlocking scooters by removing the constriction in the air filter. The difference between before and after is 5km/h V-max and feel a marked improvement in performance.
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Romet RXL 2011 2t It fits this carburetor, unfortunately I changed from 68 (original) to 75 and it ran worse(on the old one it reached 8k rpm on the new one 6k). I would recommend buying someone with a better air filter(such as a conical). Overall the jetting ok, size shows, screws in well.
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Junak 104 2t 2013 Very good quality workmanship, the nozzle actually size is about the dimensions it should be, the only thing to which can be attached is that it is slightly higher than the original but it does not interfere with anything.
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I recommend this nozzle precisely made I installed it in the Pegasus gasser from wsk 175 so far I have not fired the engine on it, but I think it will be ok.
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The quality of the nozzle not earthly as well as other products have really super durable and improving performance accessories and thus are not expensive .
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Ursus C308 year of manufacture 1959 Jikov carburetor 30. screwing the nozzle failed M6 thread has a pitch of 1mm. I received a nozzle with thread M6x0.75
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