Difference between 2 and 4 stroke motorcycles?

So, can someone explain the difference to me? Please don't use technical terms. And why do most people prefer 4-stroke? I've heard that with 2-stroke engines you always have to top up the oil properly, so 4-stroke engines would be much more practical. Can someone explain this to me in detail? Thanks in advance. Regards.

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Hamburger02
7 years ago

2-actors need more fuel and oil and also produce more harmful exhaust gases. For this they are mechanically much easier to repair even from lay people and, above all, they are more and more dynamic than a 4-stroke due to the enormous weight.

For example, a 4-stroke in the same scooter has no chance against a 2-stroke at the traffic light.

InTrumpwetrust
7 years ago

at 2 tacters you have to mix the gasoline with oil, at 4 tacters you can refuel normal fuel, have oil for what you need to refill as with the car

I find 4 more tactile from comfort also better

2 tactical motors drive differently, some find that better and mix the fuel is not so difficult now

syncopcgda
7 years ago
Reply to  InTrumpwetrust

"At 2 clocks you have to mix the gasoline with oil,"

Of course, there are also two-clockers with fresh oil lubrication from an oil tank. They don't need a mix to be done.

sr710815
7 years ago

There used to be 1:25 mix, later 1:50. There were smaller bowls with these coins.

Zündapp 175 was an example here until about 1985. For my Zündapp KS 80 Super my father then mixed self-mixing oil with petrol in a 10 L canister.

Newer scooters have 2 tanks, 1 x for engine oil, which is required in 2 clocks and 1 for petrol. That's a little cheaper.

4 clocks are somewhat cleaner because not yet oil burns

Bier35
7 years ago

a 2 clock lights once at each revolution, has no valves, is lighter, faster and has almost twice as much power as an equal 4 clock. the 4 clock lights only at each 2. However, revolution has much more torque than a 2 clock, it has valves and is therefore heavier.

a 4 clock motor is much more environmentally friendly because it does not burn oil. As a result, two-strokes with more than 50cc were almost 100% banned on the racetracks as exhaust gas standards are not relevant there, but only performance and weight.

now there have been two-clockers only with carburetors because an injection was not possible, which was quite normal at 4 clocks for years. Next year, however, the EXC 250 and 300 will be released by KTM, the world's first 2 clock petrol engines will be using the injection (TPI). the Euro 4 standard is supposed to be met.

today's 2 clocks are actually all extremely "overbred" as they are for running and therefore very maintenance-intensive, old 2 clocks like those of MZ, Simson, Zündapp, Hercules,… are at least as reliable and durable as 4 clocks.

2 more tactiles are either directly danced with mixture (1:25, 1:33, 1:50) or have a separate oil tank and mix oil automatically.

syncopcgda
7 years ago
Reply to  Bier35

Your answer bears witness to deeper expertise. It should also be noted that the control of the gas exchange in a two-stroke unit is less complicated and more difficult to understand than in a four-stroke unit, this not only affecting the resonance effects. But with the help of the animations offered on the net, "Lieschen Müller" can also be understood to some extent.

Zx6r600J
7 years ago

different is, 2 tactors burn the engine oil with to lubricate and cooling and 2 tactors have no valve control

JawaCZ634
7 years ago
  1. Open browsers
  2. Search engine
  3. After 5 seconds find the Wikipedia article
  4. Read more
  5. Understand and not annoy people here with things that every brainless finds google after 1min.
JawaCZ634
7 years ago
Reply to  Neyrem

There are plenty of pages on the Internet and specialist literature that explain motors in detail and deport safely. is more intended for more specific topics that can only be solved with Google, so waste with such questions (which have been answered here forty times –> search function!!!!) not our time.

JawaCZ634
7 years ago
Reply to  Neyrem

Ok is an example of a question that cannot be answered with Google or to a limited extent:

Valve game for Jawa 500 OHV?

Conversion instructions Jawa 634 on Dellorto VHST 28mm

etc… setting data, etc, instructions…