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MXS Cylinder Kit "MXS Racing" 70cc piston pin=12mm Yamaha BW's / Slider
MXS Cylinder Kit "MXS Racing" 70cc piston pin=12mm Yamaha BW's / Slider
MXS Racing Item no.: MXS31445476

MXS Cylinder Kit "MXS Racing" 70cc piston pin=12mm Yamaha BW's / Slider

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Homologation: No
€229.90

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Description
Name MXS Cylinder Kit "MXS Racing" 70cc piston pin=12mm Yamaha BW's / Slider
Item No. MXS31445476
Brand MXS Racing
Homologation No
Displacement 70cc
Stroke Original
Conrod Length Standard
Product Line Hyper racing
Material Aluminium
Engine Type 2-stroke
Cooling Type AC
Bore 47,6 mm
Piston Pin 12 mm
Number of Piston Rings 1
Cylinder Head Included

MXS Racing Kit - Cylinder, Piston and Cylinder Head - designed and developed by MXS, Maxiscoot's Racing Department.

The Nikasil-plated aluminium cylinder has 5 transfer ports and an oval exhaust port. It comes with a HQ single-ring piston (12mm pin) and a high-compression cylinder head (port timings: 196°/132°/134°).

With 19hp out of the box and in combination with the right set-up, but without any major modifications, this kit will wow even the most demanding pilot.

To unlock the full potential of this cylinder kit, we recommend a 28mm carburetor (at least 21mm), a "Big Valve" reed valve, a digital inner rotor ignition and a high-quality racing crankshaft.

You will have to use a high-end acing exhaust to go with this kit, otherwise the cylinder will overheat! We recommend the MXS Racing 2014, Stage6 R1400 or at least the Yasuni Carrera 16 (flange diam. 26mm and stinger pipe diam. at least 16mm!).

The kit comes with complete piston (pin, circlips and ring included) and the proper gaskets for mounting. To make sure to get maximum power and reliability out of this cylinder kit, you should definitely adjust "squish clearance" when mounting it (cylinder spacers are included).

For vertical Minarelli engines.
Bore: 47.6mm - Stroke: 39mm
Note: piston pin = 12mm.
550

 

Exhaust Port

Auslass

The MXS Racing Cylinder has a one-piece exhaust port; its special shape and a 26mm diameter allow for emitting large volumes of exhaust. Piston ring friction and wear is minimized resulting in longer cylinder life.

 

Port Timings

Steuerzeiten

When developing an air-cooled cylinder it is crucial to find the right balance between performance and reliability. The MXS Racing Cylinder allows for high port timings without compromising on reliability.

 

Special Intake Port

Conduit d’admission inédit

The most innovative feature of the MXS Racing Cylinder is its intake. The intake port has two additional boost ports; the combustion chamber is can be overcharged with mixture leading to a noticeable increase in power.

Optimized Cooling

Optimisation du refroidissement

As it has more power, the cooling of the MXS Racing Cylinder has to be improved. That's why more cooling fins were added. Instead of 5 it now has 7 cooling fins.

 
Suitable for (32)

Your product goes with the following manufacturers and their models:



Aprilia
Amico 50cc AC (1991 - 1992), Amico 50cc ac (after 1993), Amico GL 50cc AC, Amico Sport 50cc AC, SR 50cc AC (before 1994) - Minarelli vertical


Italjet
Pista 2 50cc AC, Pista 50cc AC, Scoop 50cc


MBK
Booster 50cc AC (1992 - 1999), Booster 50cc AC (after 2004), Booster Next 50cc AC (after 1999), Booster Next 50cc AC (before 1999), Booster One 50cc until 2013, Booster Rocket 50cc AC, Booster Spirit 50cc AC (before 2004), Booster Track 50cc AC, Stunt 50cc AC, Stunt 50cc AC CAT (after 2004), Stunt Naked 50cc AC


Yamaha
BW's 50cc AC, BW's 50cc AC (after 2004), BW's Bump 50cc AC, BW's Easy 50cc 2013, BW's NG 50cc AC (after 1999), BW's NG 50cc AC (before 1999), BW's Spy 50cc AC, Slider 50cc AC (before 2004), Slider 50cc AC CAT (after 2004), Spy 50cc , Target 50cc, Zuma 50cc AC, Zuma II 50cc AC


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