Box with valves Ø19mm 2 slats with pipe POLINI MBK 51, motobecane AV10


Box of check valves diameter 19mm high end POLINI for MBK 51.

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manufacturers : POLINI

45,60 € 45.6 tax incl.


Availability: At home in 2 to 5 days

The box of valves POLINI racing was made to improve the admission of origin of the MBK 51 / motobecane engine av10. This box valves has more or less proven throughout his life. Thanks to its aluminum base you will be able to install large valves, the valves are supplied a model with 2 strips of 0.30mm carbon.

This valve box has stop slats that you can remove if you wish. Nothing differentiates this model in 15 of the 19mm model outside the intake pipe. The pipe is bent and will position your carburetor on the side of the machine as originally. We advise to accompany this box with a carburettor from Ø17,5 to 21mm DELLORTO.

The finish is not too bad, we will have appreciated that the intake pipe is micro-beaded internally to prevent gas rebounds. You will be able to mount on this valve box the famous valves POLINI adhered Racing which also mounts on the casings POLINI without support of Peugeot 103! This box against the ATHENA does not have paper seals but O-rings.

The pack contains :

-Pack attached
-Head Ø19mm internal fixation Ø24mm
-Extension aluminum box
-Box with flaps 4lamelles
-2 stop lamelles
-Full screw

Quick tips from the RRD team :

-Mount the three intake pipe screws on rubber or thick gasket so as not to use the pipe.

-you will be able to slightly prepare the exit of box with flaps in order to less obstruct of admission.

-Align the box and the casings together.

-To prepare the box, many suppress the slats stops, we consider that it is almost mandatory on this box to get good performance, you can also ask the valves POLINI adhesion.


Spare parts:

Pack joints (does not exist, take pack gasket of valves box POLINI Peugeot 103 + valve seal TNT of MBK 51 )

Pipe of Ø 19mm (does not exist, to take the
admission pipe ATHENA racing for box of valves of 19mm MBK 51 )

Flaps normal 2 slats racing POLINI

Normal flaps 4 slats (does not exist, take the ATHENA racing flap box MBK 51 )

OPTION valves vulcanized

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