MXS Tuning Kit Sport 70cc - Yasuni C16 MBK Booster / Stunt

MXS Custom Item no.: MS-PKMMXSSPORT2

MXS Tuning Kit Sport 70cc - Yasuni C16 MBK Booster / Stunt


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Data Sheet
scope of delivery (2)
Suitable for (33)


In order to exploit the full potential of the MXS 70cc Sport Cylinder Kit, we suggest this Tuning Kit MXS 70 Sport Cylinder Kit + Yasuni C16 Exhaust MBK Booster / Stuntfor an unbeatable price!


The kit includes:

The ideal basis for an everyday use engine with lots of power! The MXS Sport cylinder is arguably the most powerful AND reliable cylinder kit on the market. We recommend combining it with the perfect exhaust for it: the Yasuni Carrera 16. The result is a well-adjusted, complementary and therefore extremely powerful set-up that can reach up to 14 /15hp. To fine-tune and optimize your configuration, we recommend adding a reinforced crankshaft, a 19mm carburetor (minimum) and a sports variator.


Data Sheet

Name MXS Tuning Kit Sport 70cc - Yasuni C16 MBK Booster / Stunt
Brand MXS Custom
Homologation No
Displacement 70cc
Stroke Original
Conrod Length Standard
Product Line Racing
Material Aluminium
Engine Type 2-stroke
Cooling Type AC
Bore 47,6 mm
Piston Pin Original
Number of Piston Rings 1
Cylinder Head Included

Your product goes with the following manufacturers and their models:

Adly (Her Chee)

Rapido 50cc


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


Pista 2 50cc AC

Pista 50cc AC

Scoop 50cc


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


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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  1. Yasuni

    Yasuni Exhaust "Carrera 16" Yamaha BW's / Sli...

    In Stock - Same Day Dispatch for orders placed before 2pm.
    Yasuni Exhaust "Carrera 16" (or C16) MBK Booster / Stunt, powerful racing exhaust by renowned Spanish manufacturer Yasuni.Sheet metal expansion chamber complemented by an aluminium silencer (also available in different versions).Originally developed for Endurance racing, it has a lot of torque and power at mid rpm range. We recommend combining it with a 50cc or 70cc racing or even Hyper Racing cylinder for more torque and better acceleration.As a racing exhaust, it is of course reserved for the race track and not street-legal. Learn More


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  2. MXS Racing

    MXS Cylinder Kit "MXS Sport" 70cc piston pin=...

    Not available.
    MAXISCOOT 70cc Cylinder Kit "MXS Sport" MBK Booster / Stunt (10mm piston pin) - developed by Maxiscoot's Racing Team! The Nikasil-plated aluminium cylinder has 5 transfer ports and an oval exhaust port. The kit comes with a HQ single-ring piston (10mm pin) and a high-compression cylinder head (port timings: 189.4°/123.6°/125.8°). To unlock the full potential of this kit, we recommend running it with a 21mm (at least 17.5mm) carburetor and a sports exhaust (such as Yasuni R, Doppler…); you can even run it with your original exhaust. With the right set-up and adjustments, this sports kit can reach record-breaking 16hp! 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 enginesDiameter: 47.6mm - Stroke: 39mmNote: piston pin = 10mm. Learn More

    MXS Racing

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