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2Fast Cylinder Kit 94cc Yamaha Aerox / MBK Nitro

2Fast Item no.: TFAST028

2Fast Cylinder Kit 94cc Yamaha Aerox / MBK Nitro

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Data Sheet
Suitable for (46)


2Fast, well-known among racing fans, introducing a new racing kit: 2Fast 94cc Cylinder Kit MBK Nitro / Aerox. A high-end "Hyper Racing" kit with 94cc displacement due to a 52mm piston (14mm pin) with 44mm stroke (and 90mm connecting rod).

The top quality aluminium cylinder has 6 transfer ports and a bridged exhaust port. It comes with a modular cylinder head immediately recognizable thanks to its trademark anodized blue cover.

It is easily one of the most powerful +80cc cylinder kits on the market. As such, it is really important to run it with an appropriate exhaust (by the same company or on par with it), a 30mm carburetor (minimum) and a HQ digital internal rotor ignition.

Note: to mount the 2Fast 94cc Cylinder Kit MBK Nitro / Aerox, you'll have to mill in the crankcase to make room for cylinder base and crankshaft (44mm stroke).

Data Sheet

Name 2Fast Cylinder Kit 94cc Yamaha Aerox / MBK Nitro
Item No. TFAST028
Brand 2Fast
Homologation No
Homologation No
Displacement 94cc
Stroke 44 mm
Conrod Length 90 mm
Product Line Hyper racing
Material Aluminium
Engine Type 2-stroke
Cooling Type LC
Bore 52 mm
Piston Pin 14 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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