Is Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox compatible with my scooter?

Please check by brand (Athena), model (AT-73700), and engine type. Not sure? Contact us — we’ll verify compatibility.

What is the price of Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox?

The current price is 183.80€. All prices are up to date as of 02 2026.

Is Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox in stock?

If available in our LV stock — ships within 24h. From EU stock it usually takes 4–9 days to arrive.

Is Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox an original Athena part?

Yes, we sell OEM and performance parts. The type of this product is listed in the description.

Does Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox come with warranty?

Yes, all items include manufacturer warranty according to the rules.

How fast do you deliver Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox?

Ships within 24h from LV stock. From EU stock it takes 4–9 days to Latvia, then 1–2 days in the Baltics.

Which payment options are available for Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox?

We accept bank cards, online banking, and invoice payments.

What is the SKU or article number of Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox?

Product SKU: AT-73700. It is also shown in description and specs.

Can I order Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox if it’s not in local stock?

Yes, pre-orders are possible. Usually 4–9 days to LV warehouse (depends on supplier).

What is the current discount for Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox?

Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox is now available with a special discount in 02 2026. Price: 183.80€.

How long is the discount for Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox valid?

The discount is valid for a limited time in 02 2026, until the promotion ends or stock runs out.

Is the Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox discount automatically applied in the cart?

Yes, the promo price 183.80€ is visible immediately and applied automatically at checkout.

Reward Points: 19

Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox

AT-73700

Athena

Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox

Name: Athena Cylinder Kit 50cc aluminium MBK Nitro / Aerox
Brand: Athena
SKU: AT-73700
Price: 183.8 EUR
Availability: InStock

Delivery from German Warehouse - Pirmdien

Available to order

183.80€

Price in reward points: 1947

Athena Cylinder Kit 50cc Yamaha Aerox / Nitroby renowned foundry Athena. The top quality Nikasil-plated aluminium cylinder has a 40mm bore and comes with a 1-ring piston and a high-compression cylinder head. It has 5 intake ports and a bridged exhaust port.

Choice of materials, excellent workmanship and optimized layout ensure outstanding performances as well as dependability and long life expectancy. We recommend a 17.5 to 21mm carburetor and a sport or even racing exhaust to go with it.

Note: as it is an aluminium cylinder, we strongly recommend to adjust squish clearance before use.

bore: 40mm
stroke: 39.2mm
displacement: 49.3cc
compression ratio: 14.8:1
1-ring piston
recommended squish: 0.8mm

Technical details

Article no.: AT-73700
Bore: 40 mm
Conrod Length: Standard
Cylinder material: Aluminium
Displacement: 50cc
EAN: 8050043266682
Homologation: Yes

Piston Pin: 10 mm
Product type: Cylinder kit
Spark plug thread: M14 long
Stroke: Original
Tuning Level: Sport
Weight: 1,43 kg

Vehicle

Adly (Her Chee): AirTech 50cc LC;
Aprilia: Area 51 LC;Gulliver 50cc LC;Rally 50cc LC;Sonic 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.;
Benelli: 491 50cc RR LC (before 2003) - Minarelli horiz.;491 50cc RR Replica LC (before 2003) - Minarelli horiz.;491 50cc Sport LC (before 2003) - Minarelli horiz.;491 50cc ST LC (before 2003) - Minarelli horiz.;K2 50cc LC - Minarelli horiz.;
Beta: Ark 50cc LC - Minarelli horiz.;Eikon 50cc LC - Minarelli horiz.;Ycon;
CPI: GTR 50cc LC - Minarelli horiz.;
Garelli: GSP 50cc LC;
Italjet: Dragster 50cc LC;
Kreidler: Galactica 3.0 50cc LC;

KTM: Ark 50cc LC;
Longjia: Speedjet 50 LC 2-stroke;
Malaguti: 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);
MBK: 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);
Motowell: Crogen RS 50cc LC 2-stroke;Magnet RS 50cc LC 2-stroke;
None: None
Sachs: Speedjet RS 50cc LC;
Yamaha: 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);

Individual approach to each order

Return and exchange of goods within 14 days

Loyalty program

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