starter relay 12V 40A (4-pole pin 4x6mm flat) Motor type: JSD139QMB

Technical info

Starter relay

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Magnetic switch for starter. Suitable for starters of scooter motors. If necessary, adjustments, such as plugs, etc., have to be made.

This article fits many models, including for:

Rex RS 250 QM50T 10A-B, Adly Thunder Bike TB 50, Adly Cat 50, Adly ATV 50 V, Adly ATV 50 all, Adly JET 50, Adly Panther 50, Adly Quad 50 2, Adly Thunder Bike TB 100, CCF Cat 50, Daco Cat 50 , Daco Jet 50, Eppella ECM Thunder Bike TB 50, Ering Cat 50, Ering Jet 50

This manufacturer has a good name for quality across the globe.

OEM quality, very good workmanship, stocked goods at a favorable price because of direct import

You can easily find our spare parts for your scooter or scooter online buy in our shop. Regardless of whether you bought your scooter in a department store or in a hardware store, you will find suitable components for all common European, Taiwan or China scooters, especially for the engines 50 cc, 125 cc, 250 ccm, 2-stroke, 4-stroke and for greater performance. Especially for the motor types 152QMI, 157QMI, 164FML, 153FMI, 156FMI, 125-4T6M, 139QMB, 139QMA, JSD139QMB, 150QMG, 139FMB, 157QMJ, 158MJ, GY6, 1E40QMB, 1E40QMA in short and long versions in the Euro2, Euro3, 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. We are happy to accept your request

If something is damaged on the scooter, you usually have two options: replace or Repair. It is not always easy to decide. In principle, however, it is cheaper to replace the defective part immediately instead of repairing it. An additional aspect is that a replacement component is not only cheaper than a repair, but also offers significantly higher functional reliability. The cause of a malfunction can often only be determined by a specialist using special tools. On the other hand, you also have the option of choosing one of the ready-made kits, which we offer in numerous different versions. It is actually considerably easier and cheaper to change the entire assembly than to pay a lot of money for troubleshooting.

The components that we supply Bearings correspond 100% to the world market level in terms of quality. How is it that we can be so cheap? The answer is: Because we pay attention to economically sensible purchase quantities of the spare parts. If your mobile stand needs a new component, please contact us with confidence. With us you always get the best quality at an affordable price.

Some scooter brands such as Sundiro and Eppella have not been manufactured for a long time. Nevertheless, we still carry the components for it.

You can of course also get the original parts from the respective scooter manufacturer. However, if you want to save money [and who doesn't want that], you should fall back on our replicas, which incidentally do not have to shy away from a qualitative comparison with the original equipment manufacturer, even though they are usually considerably cheaper. Regardless of whether you want to repair your two-wheeler yourself or, better still, have it carried out in a specialist workshop, you are absolutely right with our parts. To do this, you do not necessarily have to resort to high-priced original parts and you can therefore save your wallet. There is probably no better alternative, through which you can repair your two-wheeler at an attractive cost and in excellent quality.

Thanks to clear pictures You can easily compare your defective element with the available replacement so that you actually get the right item. It is relevant that the replacement part that you want to replace not only visually matches your order, but also in terms of specifications and dimensions.

What you get out of it:

Short-term delivery times

One hundred percent driving safety of the scooter, especially with braking systems

Thanks to our "money back" guarantee, you can buy installation elements and accessories for around 250 without any risk

Brands and 8500 models in stock

Even with inexpensive replicas, you will receive OEM quality from us without exception

All of our built-in parts are inexpensive, fail-safe and usable

ISO- Certified precision production according to DIN standards

Pick-up and delivery service

Scooter purchase

When ordering multiple components with the same shipping factors, you only pay shipping costs once

We are the first point of contact in the event that it is a matter of a Mon scooter, street buggy, quad or fun vehicle. Why are we the right partner for you? Because we have the appropriate know-how and master craftsman qualification for this business area, which is definitely necessary. For us the customer is still king. As a result, not only sales are part of our passion, but also the support of our customers afterwards and, of course, an optimal vehicle service. For our family-run business, the business of scooters is the entire purpose of life.

It does not always make sense to buy your motorized two-wheeler from any nearest dealer. It is therefore necessary to take a close look at your supplier in advance. With us, everything to do with our specialist trade is transparent and understandable! Just drop by our shop and find out more about us yourself. You can then find evidence of our excellent services on site.

Perhaps the way to us is too far for you. Then there is also the option to inquire about us using the Trusted Shops seal and the various Ebay reviews. For example, both our business practice and our online shop are rated "very good" with the Trustedshops seal of approval, which we are rightly proud of. Our customer ratings on Ebay are also in an excellent range with a factor of around 99.9%. All of these results allow only one conclusion without question: We always do our best in all matters!

But please remember: We are also just people who occasionally do something wrong. We would therefore like to ask you to give us an opportunity to improve in any case if something has gone wrong.

At what times we are at your service? Every day from 8:00 a.m. to 6:00 p.m. and on Saturdays from 8:00 a.m. to 1:00 p.m.

With us the customer is still king. We have been in the vehicle business for over 25 years, but we would like to mention that we can look back on a success story in the field of mechanical engineering for more than 5 decades. In the meantime we have decided on vehicle accessories, built-in parts and the "nice-to-have" to increase the performance of the most common scooters.

If you want your two-wheeler If you are looking for an accessory part, you will definitely find it on our website at Motorroller.de. We have various components, articles and accessories for around 8500 models and 250 makes in our warehouse. Kreidler, Adly, Yamaha and Jonway, for example, are among our long-term producers. On an area of over 1,000 m² we have more than 500,000 products from numerous suppliers in our range on our high shelves. You will find everything you need for your scooter in our accessories department.

It starts with protective helmets, top cases and windscreens, and extends to kidney belts, gloves and rain sets. Even tuning fans come with us Not too short. You will find everything your heart desires in our tuning department, such as cylinders, exhaust systems, pistons and other things.

No goods leave our house before they are has been checked for flawless quality. This means that all scooters that we receive from the manufacturer are once again subjected to a detailed check in our company for any errors or transport damage. Only then do we deliver them to our customers. As soon as the vehicles arrive at our company, each individual two-wheeler is unpacked and first subjected to a visual inspection or a test run on our computer-controlled test bench. Before the buyer receives the scooter, there is a final functional check. This really ensures that the customer is 100 percent satisfied with his purchase.

Environmental protection is particularly important to us. We don't just say that because our scooters are mostly equipped with engines that have a comparatively low fuel consumption. With the delivery of our vehicles, packaging material is used without exception. Without question, we will take this back with us and dispose of it properly.

After buying a new scooter from our range of vehicles, would you like to part with your old two-wheeler? Don't worry about that! We buy your used scooter.

In the event that you give us the chance, we can also prove our professional qualities to you. Don't confuse us with the cheap online shops that come today and go tomorrow. We know that it is only thanks to new ideas and contemporary innovations that the basis for successful business can be laid. You can convince yourself of our excellent customer service when you visit us at our company location in Lindenfels-Eulsbach.

Lindenfels is located approx. 60 km south of Frankfurt / Main and 40 km northeast of Mannheim in the Odenwald (administrative district Darmstadt). There are also good transport connections by train.

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