Modern Vespa : Fuel line for vintage large frame..size?

Fuel line for vintage large frame..size?

OP chef UTC details Enthusiast 180ss with moded engine Joined: UTC Posts: 70 Location: Montreal
OP chef Enthusiast 180ss with moded engine Joined: UTC Posts: 70 Location: Montreal	UTC quote Hi everyone, was wondering about fuel line for vintage large frames. I know that usually it's 24" long and if not mistaken 7mm inner diameter (which is not very common). I was wondering if regular 1/4" automotive fuel line is good or is 5/16" better? Thanks Fab

Lebo UTC details Molto Verboso 2018 GTS 300 Touring Rosso Vignola, 2020 BV 350 Matte Green, 1956 VL3 Joined: UTC Posts: 1157 Location: Herriman, Utah
Lebo Molto Verboso 2018 GTS 300 Touring Rosso Vignola, 2020 BV 350 Matte Green, 1956 VL3 Joined: UTC Posts: 1157 Location: Herriman, Utah	UTC quote This would be a topic for the "Not-So-Modern" area of MV.

PSMA UTC details Hooked 125 GTR 1977, 50S 1975, GTS 125 Supertech 2021 Joined: UTC Posts: 277 Location: Madeira Island
PSMA Hooked 125 GTR 1977, 50S 1975, GTS 125 Supertech 2021 Joined: UTC Posts: 277 Location: Madeira Island	UTC quote 1/4 = 6.35 mm Vespa = 7mm 5/16 = 7.9 mm So better to be in safe side with the 5/16 Anyway, I don't know if automotive fuel lines are adequate, independently of the inner size? like some kind of inside pattern that can add some drag and avoid adequate flow... just thinking high ...

FridayMatinee UTC details Ossessionato 1958 Allstate 177VMC, 1962 Allstate, Yamaha Vino 70cc Joined: UTC Posts: 2107 Location: Philadelphia
FridayMatinee Ossessionato 1958 Allstate 177VMC, 1962 Allstate, Yamaha Vino 70cc Joined: UTC Posts: 2107 Location: Philadelphia	UTC quote This is what you want https://www.scootermercato.com/Scooter-Parts/Fuel-Taps-and-Parts/40281300 Positive

SoCalGuy UTC details bodgemaster 63 GL, 76 Super (x2), 74 Primavera (x2), 79 P200, 06 Fly 150 Joined: UTC Posts: 7179 Location: So Cal
SoCalGuy bodgemaster 63 GL, 76 Super (x2), 74 Primavera (x2), 79 P200, 06 Fly 150 Joined: UTC Posts: 7179 Location: So Cal	UTC quote 5/16" works for me. Positive

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