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2Fast Cylinder Kit 70cc Yamaha Aerox / MBK Nitro

2Fast Item no.: TFAST027

2Fast Cylinder Kit 70cc Yamaha Aerox / MBK Nitro


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Data Sheet
Suitable for (46)


2Fast 70cc Cylinder Kit MBK Nitro / Aerox - a kit that will impress even the most demanding pilot. It is the only 70cc cylinder by renowned Italian manufacturer 2Fast and is designed to be used with a standard crankshaft and 85mm connecting rod.

The cylinder is made of top quality aluminium with Nikasil coating and comes with a cylinder head immediately recognizable thanks to its trademark anodized blue cover. On the technical side, the cylinder has 6 transfer ports and a bridged exhaust port and comes with a modular cylinder head and a single-ring piston with a 12mm pin.

2Fast put a lot of thinking and effort in recalculating port timings and redesigning transfer port layout resulting in stand-out performance in this category; in combination with the right components (28mm carburetor, digital internal rotor ignition and Hyper Racing exhaust), this cylinder kit can reach 22 to 24hp. Definitely one of the most powerful kits in the 70cc "Hyper Racing" class!

Data Sheet

Name 2Fast Cylinder Kit 70cc Yamaha Aerox / MBK Nitro
Item No. TFAST027
Brand 2Fast
Homologation No
Displacement 70cc
Stroke Original
Conrod Length 85 mm
Product Line Hyper racing
Material Aluminium
Engine Type 2-stroke
Cooling Type LC
Bore 47,6 mm
Piston Pin 12 mm
Number of Piston Rings 1
Cylinder Head Included

Your product goes with the following manufacturers and their models:

Adly (Her Chee)

AirTech 50cc LC


Area 51 LC

Gulliver 50cc LC

Rally 50cc LC

SR 50cc LC (1994 - 1997) - Minarelli horiz.

SR 50cc Netscaper LC - Minarelli horiz.

SR 50cc Racing LC (before 2000) Minarelli

SR 50cc Stealth LC - Minarelli horiz.

Sonic 50cc LC


491 50cc RR LC (before 2003) - Minarelli horiz.

491 50cc RR Replica LC (before 2003) - Minarelli horiz.

491 50cc ST LC (before 2003) - Minarelli horiz.

491 50cc Sport LC (before 2003) - Minarelli horiz.

K2 50cc LC - Minarelli horiz.


Ark 50cc LC - Minarelli horiz.

Eikon 50cc LC - Minarelli horiz.


GTR 50cc LC - Minarelli horiz.


GSP 50cc LC


Dragster 50cc LC


Ark 50cc LC


Galactica 3.0 50cc LC


Speedjet 50 LC 2-stroke


MachG 50cc CAT LC (after 2003)

MachG 50cc LC (before 2003)

Nitro 50cc CAT LC (after 2003)

Nitro 50cc LC (after 1999)

Nitro 50cc LC (after 2013)

Nitro 50cc LC (before 1999)

Nitro Naked 50cc LC

Nitro Naked 50cc LC (after 2013)


F12 Phantom 50cc LC

F12 Phantom 50cc LC (after 2004)

F12 Phantom R 50cc LC

F15 Firefox 50cc LC

F15 Firefox 50cc LC (after 2004)


Crogen RS 50cc LC 2-stroke

Magnet RS 50cc LC 2-stroke


Speedjet RS 50cc LC


Aerox 50cc LC (after 1999)

Aerox 50cc LC (before 1999)

Aerox 50cc LC CAT (after 2003)

Aerox Naked 50cc LC (after 2013)

Aerox Naked 50cc LC CAT (after 2003)

Aerox R 50cc LC (after 2013)

Jog RR 50cc LC (before 2003)

Jog RR 50cc LC CAT (after 2003)

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