Cylinder head with valve guides 60mm height without valves / 64mm without SLS 139QMA 139QMB GY6 4-stroke 50ccm JSD139QMB

Technical information

Cylinder head

Cylinder head, cylinder heads, cylinder head, cylinder head, cylinder cover, head, cylinder cover

The cylinder head closes off the combustion chamber of an internal combustion engine from the top as seen from the piston. He is exposed to high heat and pressure. Mostly they are cast cylinders, but nowadays cylinders made of high-quality aluminum alloys are also used, which also guarantee a long service life. Our cylinders are in OEM quality.

This article fits many models, including:

AGM GMX 450, Rex RS460 / BOSTON 8 , Baotian BT49QT,, Rex RS400, Rex RS450, Rex RS 450, Rex RS750, Rex Monza, Rex Monza 50, Rex Milano 50, Rex Imola 50

The spare parts from this manufacturer have become Proven for years in daily use. The quality is raised to a maximum through constant exchange of experience.

OEM quality, best workmanship

Our spare parts for your scooter or motor scooter or also You can easily buy scooters online in our shop. Regardless of whether you bought your scooter in a hardware store or in a department store, you will find suitable components for all common Taiwan, Europe or China scooters, especially for the engines 50 cc, 125 cc, 250 ccm, 2-stroke, 4-stroke and for greater performance. Especially for the engine types 139QMB, 139QMA, JSD139QMB, GY6, 125-4T6M, 150QMG, 153FMI, 156FMI, 139FMB, 164FML, 152QMI, 157QMI, 1E40QMB, 1E40QMA, 157QMJ, 158MJ in short and long versions in the Euro2, Euro1, Euro1 as well as the new Euro 4 injection engines, you will find spare parts of first-class quality. You are also welcome to inquire about spare parts by email. For orders over 100 euros, you can also use our financing or hire purchase service. When purchasing vehicles, we can also make you a leasing offer, which is particularly useful for companies that purchase company vehicles or provide their employees with a vehicle. Please ask.

This question always arises when something has been damaged on the scooter, regardless of whether it is an electric scooter or an e-scooter or a motor scooter or tricycle scooter turns. What you should also not forget: a new element is not only quickly replaced, but also makes the two-wheeler much more reliable than a repair. Often only a qualified specialist workshop can identify the fault right away. The best thing to do is to order one of our ready-to-install spare parts kits, which we have in our range in many different versions. .

The quality of our products need not fear competition on the world market. We can only be so cheap because we buy all the components from our suppliers in large enough quantities. If your scooter ever needs a new component, turn to us with confidence. With us you always get the best quality at an attractive price.

We usually have spare parts available for scooters, buggies and quads that are no longer in production. For example for the brands Sundiro and Eppella .

It goes without saying that we also deliver the original parts for your mobile pedestal, although our replicas do not have to shy away from a qualitative comparison with the original equipment manufacturer product are generally much cheaper. With our components you can carry out the repair of your motorized two-wheeler yourself or have it carried out by a specialist. There is probably no other alternative that will allow you to repair your motorized two-wheeler at low cost and in good quality.

In Our online shop has plenty of picture material that will help you to easily compare your defective component with the available replacement. This means that incorrect deliveries due to incorrect orders can be excluded in advance. It is important that your order matches the old part visually as well as in terms of specifications and dimensions.

10 advantages that you can benefit from:

Absolute driving safety of the scooter , especially for brake systems

Precision production according to DIN standards

Short delivery times

With our "money back" guarantee, you buy without risk

You will receive OEM quality from us without exception - even with inexpensive replicas

All of our products are durable, reliable and inexpensive

If you order several spare parts with the same shipping factors, you only pay shipping costs once < / li>

Scooter purchase at fair prices

Pick-up and delivery service

Components and accessories for approx. 250 brands and 8500 types in stock

Scooters, street buggies, fun vehicles and quads are best bought in a specialist shop like ours. Why would it be advantageous for you if you let us work for you? Because we have established ourselves in this business field for decades and you can therefore benefit from the experience we have gained. We don't just run our scooter business, we literally live it.

Because buying is a matter of trust, you should therefore take a close look at the selected specialist retailer where you intend to buy a motorized two-wheeler beforehand. Everything is absolutely understandable with us! Why don't you visit us in our shop to see for yourself? You can then find evidence of our excellent services on site.

Is the distance to us too far for you? Then find out more from the Trusted Shops seal and the numerous Ebay reviews. Both our business practice and our online shop are rated "very good" with the Trusted Shops seal of approval, for example. The value of around 99.9 percent in the customer reviews on Ebay is just as impressive. Don't these results clearly demonstrate that our customers are in good hands with us?

But no matter how hard we try - we are not machines, but people who sometimes do something wrong. In the event that something has not worked to your satisfaction, we ask you to give us the opportunity to fix the matter.

Our team of experts is available daily between 8:00 am and 6:00 pm: 00:00 and on Saturday from 8:00 a.m. to 1:00 p.m.

We are committed to the satisfaction of our customers . The business activity of our company began more than 50 years ago with the construction of machines. In the meantime, we have been trading in motorized two-wheelers with success for more than 25 years. Today we have focused on accessories, replacement parts and the "must have" to increase the engine performance for the most popular scooters.

Anyone looking If you are looking for an inexpensive vehicle or part for its mobile pedestal, you will definitely find the right element with us at Motorroller.de. There are currently spare parts, matching accessories and articles for around 8500 models and 250 manufacturers in our dispatch warehouse waiting for your order. Adly, Yamaha, Kreidler or Jonway are among our producers, with whom we have been working for years. There are around 500,000 products from various different manufacturers that we have in our range on our high shelves over an area of over 1,000 m². Everything you need as a scooter driver can be found in our accessories department.

It starts with the top case, windshields and protective helmets, and extends to gloves, rain sets and kidney belts. Even tuning fans come with us on your costs. To tune your scooter you will find everything your heart desires in our tuning department, such as exhaust systems, pistons, cylinders and the like.

All products first leave our house after strict quality control. This means that before a vehicle is delivered or picked up by the customer, we finally examine it again in detail for any errors or transport damage. After the scooters have been delivered to us, each individual two-wheeler is unpacked and first subjected to a visual inspection or a test run on our test bench. Immediately after delivery to the buyer, the scooter is then finally tested again for perfect function, so that it is de facto ensured that the customer receives a 100 percent correct vehicle.

< p> We work very hard to protect the environment. On the one hand, our motorized two-wheelers have an efficient combustion engine throughout. Of course, in the interests of a cleaner environment, we take the packaging material with us that is generated when our scooters are delivered and take it to a professional waste disposal facility.

You have a new scooter purchased from us and would like to get rid of your old vehicle? Don't worry about this! Let that be our problem by buying your old scooter.

Then please give us the opportunity, you to convince of our services. We are not a cheap internet shop that sells its goods today and is gone tomorrow. The solid basis for a successful operation is that sustainable growth can be guaranteed solely on the basis of new ideas and progressive innovations. That is why hard work and continuous learning are always at the top of the hierarchy in our steadily growing company. Convince yourself of our excellent service and visit us in our company in Lindenfels-Eulsbach.

If you are on the Autobahn If you come with your own vehicle, the route to Lindenfels leads either via Frankfurt am Main (A6) or via Stuttgart, Karlsruhe and Mannheim (A8). The place is located in the administrative district of Darmstadt. Without question, you can also travel comfortably by train.

Our top brands