Here is the replacement sleeve of POLINI Evolution swiveling pipe! Its position is intended for very large carburettors and its internal diameter also (30mm, for 26 to 30mm carburetor). Its fixing diameter is from Ø35 to 39mm. To avoid vibrations and harmful jolts, the sleeve is in specific viton.
-For PWK carburetors, PHBH, VHSH, DELLORTO 26, 28 and 30mm.
-Fixation of carburettor Ø35 to 39mm.
-Internal diameter 30mm.
-Tilt angle 58 °.
-Original 360 °.
For Minarelli / Yamaha Horizontal scooter engines such as the MBK Nitro, Yamaha Aerox ... and many other models.