Reference: 113245
PIAGGIO decompression gas valve for 50cc PIAGGIO CIAO moped
Original PIAGGIO decompression gas valve!
PEUGEOT 103
MBK 51
MOTOBECANE
PIAGGIO CIAO / VELOFAX
PEUGEOT FOX
HONDA CAMINO, PX, PXR...
DERBI VARIANT
SOLEX
PUCH
MINARELLI AM6
Low-pass exhaust pipe
High-pass exhaust pipe
DERBI Euro 3 / 4 / 5
DERBI Euro 1 & 2
MINARELLI P4 & P6
MINARELLI RV6, RV5, RV4, RV3
SUZUKI SMX, RMX, TSX
YAMAHA TY, RD, DT, MX
HONDA MB, MT, MTX, MBX, NSR R
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Here is the spare head for your POLINI kits. According to POLINI, this cylinder head mounts on kit Ø38,4mm, 41mm and 43mm. It has a high compression chamber hemispherical shape microbilled finish. 
It obviously has the location for decompressor. For PIAGGIO CIAO PX, BOXER and all models that are not radial.
Reference: 113245
Original PIAGGIO decompression gas valve!
Reference: 509349
Complete original type decompressor for PIAGGIO CIAO.
Reference: 211.0226
The spare cylinder head for your kits 65cc POLINI cast iron on PIAGGIO CIAO.
Reference: PI113243
PIAGGIO CIAO decompressor cable retaining plate
Reference: 511597
The replacement cylinder head for your PIAGGIO CIAO.