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"Malossi Cylinder Kit ""Replica"" 50cc aluminium MBK Booster / Stunt"

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Malossi Item no.: M318565

"Malossi Cylinder Kit ""Replica"" 50cc aluminium MBK Booster / Stunt"

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Malossi 50cc Aluminium "Replica" MBK Booster / Stunt - high-end 50cc kit for everyday road use.

The kit includes:

- Aluminium Cylinder with 6 transfer ports and exhaust port with boost ports
- One-Ring Piston, 10mm pin
- High-Compression Cylinder Head
- Gasket Kit (base, head, exhaust, reed valve)
- Reed Petals (2x) for MHR reed valve, carbon fiber

As a (Nikasil-plated) aluminium kit, it has plenty of power and can easily be considered one of top 50cc racing cylinders.

In combination with the right carburetor (minimum 17.5mm) and a sports exhaust, this kit can reach 8 to 9hp, favouring mid and high rpm.

It is street-legal (as long as it is mounted on a street-legal, restricted engine).

You can also run this cylinder kit with a 12mm crankshaft, in this case you'll have to order the 12mm piston separately (item no. M348544).

Additional Information
Name "Malossi Cylinder Kit ""Replica"" 50cc aluminium MBK Booster / Stunt"
Item No. M318565
Brand Malossi
Homologation No
Displacement 50cc
Stroke Original
Conrod Length Standard
Product Line Racing
Material Aluminium
Engine Type 2-stroke
Cooling Type AC
Bore 40 mm
Piston Pin Original
Number of Piston Rings 1
Cylinder Head Included
Fits to (31)

Your product goes with the following manufacturers and their models:

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

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