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Ideal for fitting a 17.5 to 21mm PHBG carburetor on your YAMAHA CHAPPY 50cc!
POLINI aluminum intake pipe, internal Ø19mm and external Ø24mm fixing diameter, ideal for fitting a DELLORTO PHBG carburetor from 17.5mm to 21mm, rigid or with a sleeve for a flexible one. 
This part is of good quality both in the materials used and the finish Delivered complete as presented with inserts for carburetion hose in diameter Ø6 and Ø4mm, with gaskets. 
Technical recaps:
-Diameter internal fixing Ø19mm
-Diameter external fixing Ø24mm
-Fixing center distance 58 X 35 mm
-Internal measure 31 X 28 mm
-X4 fixing holes Ø6mm
-Inserts for hose with joints Ø6mm and Ø4mm
Reference: 311.0102
POLINI connection for cooling or other filtration
Reference: S410130010012
Indispensable for the refurbishment of your admission and to guarantee its tightness.
Reference: 11 2144
Essential for refurbishing your intake and guaranteeing its tightness.
Ideal for fitting a 17.5 to 21mm PHBG carburetor on your YAMAHA CHAPPY 50cc!
