Stealth Vortex 50 engine tuning

Stels Vortex 50: Inexpensive and cute

By offering Stealth Vortex 50 to customers, the company relied on a combination of affordable price and attractive appearance. The decision turned out to be successful, because 50 cc mopeds are usually bought by beginners who do not understand the technical component, but are greedy for design. Later, 2-stroke bikes were still almost completely replaced by 4-stroke ones, but during this time the manufacturer managed to sell many thousands of copies through dealerships, which are still being ridden on Russian roads.

Scooter Stels Vortex 150

This scooter cannot be called a quiet machine. Just by its appearance, we can safely say that this unit is exclusively for those who cannot imagine themselves without a sports lifestyle.

The offer is for informational purposes only and is not a public offer. Prices and configurations may differ from the information on the website.

• Characteristics
• Description

This means: without dynamics, rapid movement and irrepressible energy. The Vortex 150 scooter fully meets these requirements. Its aggressive design immediately inspires movement, and its high, scooter-like technical characteristics allow you to immediately realize your desire.

Of course, the developers also took care of the safety elements of the “active drivers” of the STELS Vortex 150. First of all, the optics stand out. The light is extraordinarily powerful thanks to the latest technological developments in optics. In addition, this model solves the problem of the danger of turn signals “flying off” even with minor contact. The direction indicators are “hidden” in the headlights and elegantly integrated into the rear trim.

Design

The appearance of Stels Vortex 50 is clearly inspired by sports models of Japanese and European scooters. The moped looks very nice, but its technical characteristics do not correspond to its daring appearance, and there is absolutely nothing sporty about it. This may cause dissonance among some owners, but one cannot help but admit that the Chinese design still turned out to be very interesting.

Stealth Vortex 50 engine tuning

Ivan » March 27, 2009, 05:56 pm

Re: Tuning the Stels Vortex50 2T scooter

AlexiGTR » 07 Apr 2009, 19:00

Re: Tuning the Stels Vortex50 2T scooter

Ivan » Apr 07, 2009, 07:37 pm

Re: Tuning the Stels Vortex50 2T scooter

AlexiGTR » Apr 07, 2009, 07:46 pm

Re: Tuning the Stels Vortex50 2T scooter

Ivan » April 07, 2009, 20:40

Re: Tuning the Stels Vortex50 2T scooter

AlexiGTR » Apr 07, 2009, 10:12 pm

Re: Tuning the Stels Vortex50 2T scooter

Ivan » Apr 07, 2009, 10:23 pm

Re: Tuning the Stels Vortex50 2T scooter

AlexiGTR » April 24, 2009, 6:57 pm

Re: Tuning the Stels Vortex50 2T scooter

Ivan » April 24, 2009, 11:19 pm

Re: Tuning the Stels Vortex50 2T scooter

AlexiGTR » April 24, 2009, 11:24 pm

Specifications

This model was assembled from what was found from spare parts suppliers at the lowest prices. There is nothing modern about the scooter except its appearance, and in terms of design it is similar to its counterparts produced at the end of the last century. But we can’t deny it decent dynamics, and we won’t discount maintainability either.

Engine

The scooter received a 2-stroke air-cooled engine QJ1E40QMB-4, well known to all motorcycle mechanics who work with equipment from the Middle Kingdom - this motor is installed on many models from different manufacturers. It has a shorter lifespan compared to 4-stroke models, but has good performance, producing as much as 5 hp. at 49.9 cu. see volume. You shouldn’t expect much agility from it, but it provides good dynamics by the standards of the moped class, accelerating the bike to a maximum speed of almost 70 km/h according to the speedometer. Torque - 3.5 Nm at 3400 rpm.

Transmission

The most common variator, slightly “braking”, but quite reliable. This unit usually does not require the owner’s attention, especially if it is maintained according to the manual. It works quite noisily, and when picking up speed it emits a low hum, which, if you’re not used to it, can even make you think about some kind of malfunction, but in reality there’s nothing wrong with it.

Chassis and brakes

The front wheel has a brake disc with a simple single-piston caliper, the rear wheel has a classic drum mechanism, which has not changed for the last 50-60 years, and is of little use. However, the front brake works satisfactorily, and this somewhat corrects the situation. The same cannot be said about the suspensions - on uneven road surfaces it seems that the scooter does not have them at all, and every pebble on the road is fully felt by the fifth point. You can, of course, change the shock absorbers to more efficient ones, but the costs will be disproportionately high compared to the price of the moped itself.

Electronics

An ordinary generator, a 12-volt low-capacity battery, lighting equipment and, perhaps, that’s all. The electronics in Stealth Vortex 50 are no more complicated than in some Vyatka or Voskhod. Considering the low quality of many small parts made in China, this is for the better - the simpler the design, the less chance of unexpected breakdowns and malfunctions.

Weight and dimensions

The Stels Vortex 50 weighs less than 100 kg (just over 97), comparable to hundreds of other similar lightweight bikes. Physically, any driver, even the most inexperienced, can handle it, and you can store it in the corner of the garage; it won’t take up much space. The length and width at the extreme points do not exceed 183 and 69 cm, respectively, and thanks to this compactness, this scooter is an excellent tool for cutting through city traffic jams.

Controllability

The scooter handles excellently, and its short wheelbase plays into its favor. But due to the small-diameter wheels, it is sensitive to the quality of the road surface, and on bad asphalt you constantly have to “catch” the steering wheel to prevent it from leaving the trajectory. The turning radius is small, not much longer than the length of the bike itself.

Fuel consumption

Two-stroke engines, designed using advanced technologies from half a century ago, have never been particularly economical. So the Stealth Vortex 50 shamelessly consumes 2.5 liters of gasoline per 100 km, sometimes even more. The quality and octane number of the fuel do not matter; it can run on any gasoline, but you will have to refuel often - the tank volume does not exceed 5.2 liters.

Engine pendulum 2t 4t. GY6 50-150 Stels TACTIC 150cc L-36cm

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Current information on prices, as well as Online ordering, can be found on the official ScooterLom website

More than 10 tons of spare parts in our store.

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2. Pickup - Dinskaya str. Krasnaya 1A

3. Russian Post - Cash on delivery

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Monday – Saturday 09:00 – 18:00

Current information on prices, as well as Online ordering, can be found on the official ScooterLom website

More than 10 tons of spare parts in our store.

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Delivery methods:

2. Pickup - Dinskaya str. Krasnaya 1A

3. Russian Post – Cash on delivery

4. SDEK Transport Company

• Pitbike cross spare parts

• timing belt
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• Spare parts for KAYO, TTR 125,250cc
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• Crankshafts
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• Clutch
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• BATTERY, ELECTRICAL CDI Switches
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Scooter price

The model has been discontinued, so you can only buy a used copy. The cost varies from 15 to 30 thousand rubles, and many options are already equipped with a larger-volume piston, usually 65 cc. see. But, if belonging to the “M” category is not critical for you, it is better to pay attention to the Vortex 150 - it costs the same on the secondary market, but rides much more vigorously.

Stealth Vortex 150 - Brief Review

Stels Vortex 150 / Stealth Vortex 150

Stels Vortex 150 is a scooter that amazes with its dynamics and practicality. The design of the body kit is exclusive and fast, emphasizing the speed characteristics of the bike. Stylish sports stripes stand out on the plastic. The power of the power unit is sufficient for fast, confident acceleration, which is very important in a densely populated metropolis.

As standard, the Stels Vortex 150 scooter is equipped with an alarm system with automatic engine start. A comfortable two-seater seat, folding footrests and a handle will be appreciated by the bike's passenger, whose driver will be able to forget about fatigue for a long time, enjoying a comfortable ride. The CVT automatic transmission makes the scooter more attractive for beginners.

The details of the night road are effectively illuminated by the modern optics of the Stels Vortex 150 scooter. Significant road irregularities are compensated by reinforced suspension using hydraulic dampers in the front fork. An informative dashboard allows you to control the bike. What makes the scooter more controllable are powerful brakes that can stop it safely in a critical situation.

Source

Repair and tuning

What made Chinese scooters so popular was not their quality, but their cheapness and abundance of available parts. All of them, to one degree or another, are “constructors” in which you can replace anything you want, and it will not cost much.

Repair

Even an inexperienced but diligent motorcycle mechanic will be able to perform any service operations. The design of the brainchild of the Chinese-Russian company is as simple as three kopecks, and almost everything can be repaired in it. And what cannot be repaired can always be replaced by selecting the necessary part from some other similar scooter, fortunately, the unification of spare parts among Chinese manufacturers is enormous.

Spare parts

Much fits from other Stels scooters, as well as from bikes from other manufacturers, so there are no problems finding the right parts. They are very cheap, which is good news - no one would want to buy expensive spare parts for a cheap moped. But the cost of maintaining the Vortex 50 remains low mainly due to affordable spare parts.

Tuning

The most common tuning for this model is aimed at increasing engine capacity. The corresponding set is inexpensive; CPGs of 65 and 80 cubic meters are available on the market, and they are almost the same in price. Many owners also install a center pannier and replace low-quality standard parts with others, such as mirrors and steering wheel grips.

Scooter parts

Scooters are becoming popular transportation today, especially in large cities. It is two-wheeled transport that often helps to quickly get to the right place, bypassing all the traffic jams. Therefore, scooters are increasingly used not only by extreme sports enthusiasts, but also by people who consider them as transport.

Repairing a scooter is not that difficult if you have high-quality spare parts. And this means original ones, the reliability of which you can not doubt.

The Stels-Piter motorcycle dealership offers you to purchase such spare parts on the most favorable terms.

Scooters are gaining popularity even faster today. Firstly, it is an ideal solution for avoiding traffic jams. Secondly, inexpensive and profitable transport for summer residents, fishermen, and extreme sports enthusiasts.

Advantages and disadvantages

When evaluating extremely budget motorcycles, you should not expect any impressive qualities or characteristics from them. But even the most inexpensive bike can be built well, with a well-thought-out design and no weak points, although more often the opposite is true. Stealth Vortex falls somewhere in the middle.

Advantages

• Stylish appearance with sporty features;
• Undemanding to the quality of gasoline;
• Low cost of maintenance;
• Good performance of the front disc brake.

Flaws

• High fuel consumption for a 50cc engine;
• Small gas tank and modest range;
• Fragile plastic with large gaps between elements;
• Hard and ineffective suspensions.

Motorcycle Stels Vortex 150 2013 - breakdown point by point

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Actual price may differ from that shown here, check prices with dealers!

Motor scooter (scooter) Stels Vortex 150 (Stealth Vortex 150 cc).

A full-fledged 150 cc scooter, it retains all the advantages of its younger brother (Vortex 50) plus a powerful 4-stroke engine.

Specifications: Scooter Stels Vortex 150

Modified: Sunday, 24 May 2022 14:33

Technical characteristics of Stealth Vortex 150

Owner reviews

The moped is very good for fifty dollars, it accelerates briskly from a standstill, the maximum speed is about 70 according to the speedometer, but it eats an unreasonably much amount. If you drive around the city, which is what I usually do, the consumption, according to my measurements, approaches 5 liters per hundred, and this is no big deal, motorcycles with 10 times the engine volume consume the same amount. Moreover, it really smells like gasoline, it feels like the engine simply doesn’t burn half the fuel, but just throws it out into the exhaust pipe, so its efficiency is near zero. This is probably why two-stroke bikes have already been banned in many countries. Boris, Lipetsk

An ordinary stool, everything is like everyone else’s, except that there are no built-in speed limiters, so you don’t have to cut them out. The ground clearance is 20 cm, enough for convenient avoidance of traffic jams on the side of the road, you can even safely drive over curbs. On a regular basis, little things fall off, but there has never been a time when the scooter refused to start or didn’t make it home. The mileage is already over 30k, I drive it to the fullest. Dmitry, Rostov-on-Don.

I drove it for one season, bought it with a mileage of 3000 km, and drove the same amount myself. An ordinary Chinese moped with fragile plastic and paint that can be scratched with a fingernail, but overall there are no complaints about the quality. It drives normally, from 65cc the piston engine accelerates to 80. The brakes suck, especially the rear ones, but you can get used to them. The foot platform is made comfortably, the covering is corrugated, the feet do not slip in the rain. The trunk is not particularly roomy, but you can take it to the store, it’s enough. Igor, Tula.

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Similar models

• Stels Nirvana 50. Another two-stroke bike from the same manufacturer, technical characteristics almost identical to the Vortex.
• Keeway Street 50. A budget model from a well-known company that has long been represented on the Russian market.
• ABM ZX50S. Quite a nice option, also with a 2-stroke engine. It costs about 50 thousand rubles in new condition and under warranty.

Conclusion

The era of two-stroke scooters in Russia is gradually coming to an end, and they are being replaced by less powerful, but more durable 4-stroke models that cost comparable money. The Stealth Vortex, however, is unlikely to disappear from the roads in the foreseeable future - a huge number of copies have been produced over the years of production, and thanks to the availability of suitable spare parts, they will remain on the road for many years to come. This model has a lot of minor flaws and general quality problems, but everything can be easily replaced if desired, and the main components are quite reliable.

Advantages and disadvantages of the model

The Stealth Vortex 150 has a number of advantages and disadvantages that you need to familiarize yourself with before purchasing the equipment. The advantages of a scooter include:

• Good dynamics.
• Reliable braking system and soft suspension.
• Availability and low cost of spare parts.
• Cheapness of the technology itself.
• Small dimensions and weight.
• Many additional useful features included in the basic package.

The scooter also has disadvantages, however, there are not many of them. Some drivers consider the equipment too capricious and disobedient, others complain about the fragility of the plastic and the short warranty period (about 10 thousand kilometers). In general, the model makes a positive impression, notable for its unpretentiousness, maneuverability, low fuel consumption and build quality.