For your old mécaboites 50cc liquid :
APRILIA: AF1 50cc / ET 50 tuareg / red pink 50 / tuareg 50cc ...
MACAL: DAKAR junior 50
MALAGUTI: MEX 50 / MFX 50 / MLX 50 / MRX 50
MINARELLI: RV3 A 50 / RV4 A 50
MOTRON: COMPACT 50 RZ1 / COMPACT RACING ES 50 / FLASH 50 / GTO 50
Engine minarelli RV3, RV4, RV5, RV6 ....
The kit of POLINI for minarelli RV4, ancestor of the minarelli am6 intake on the cylinder, this engine was also see better performance using a type of admission ROTAX 125! Being more and more to seek, restore these motor and these parts I market this complete pack POLINI evolution. The cylinder POLINI aluminum is treated chromium and diameter 47mm with a revised and corrected intake, very high diagrams, a large normal exhaust, ducts and transfers reviewed and corrected ...
This version is therefore delivered with a piston on worked true POLINI in bi segment chrome hard curved, this piston has the marks POLINI on each side. The cylinder head is in a high compression micro chamber. Special valves of competition (identical to the reference am6) delivered, their ABS case is very worked and equipped with 0.30mm carbon sipes. A pipe is also delivered, it is of diameter 12 / 14mm! The advantage of such a kit is that you will be able subsequently to adapt the flaps of minarelli am6 type TPR vorce or other ...
A pipe of minarelli am6 why not in 21 or 28mm flexible female in order to have a short and well nourished admission! This kit will amply accept a carburettor of 25 or 26mm and will be able to achieve enormous performance in torque or high speed. The kit also comes with fittings, plugs, seals, nozzle ...
As an option we offer a preparation stage 1, this preparation is a modification of the channels and the exhaust light by increase of the diagrams and improvement of the conduit, it increases the performances of the cylinder. An improvement of the piston and skirt bottoms is also included in this modification. Allow a little extra time for this preparation!
We recommend it with at least : expansion exhaust, cold spark plug, reinforced bearings, reinforced clutch (hard springs), carburation 17,5mm, reinforced needle cage.
The pack contains :
Piston d.47mm
2 segments d.47mm chrome hard rounded
Dellorto 74mm nozzle for 5mm
Pack complete joint
Over-compression d.47mm cylinder head
Polini racing valves complete
Fittings
Reinforced Intake Screws
Piston shaft
Complete notice and stickers
X2 pin rings (piston clips)
Pipe aluminum rigid male d.12 / 14mm
