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well on the track the 2 stroke will beat the 4 stroke anyday. the only real reason they made a 4 stroke to race Motocross is because 2 stroke polutes much more and uses more gas than the 4 stroke does. if ur looking for topend speed ove a long distance than a 4 stroke is ur best bet. the 250 2 stroke has less horsepower than the 125 2 stroke but the 125 2 stroke needs to have rings replaceds ever 150 hours or so but its a cheap and easy job you can take the bike apart and put it back together in about 30 min for each. you can do the whole job if you have a honer. whilke the 4 strokes rings last longer you have to take the whole bike in to have the valves looked at and filed down. i own a 2002 suzuki RM 125 i have raced many 250 4 strokes and have never lost my bike is all stock exept the pistion and i have never lost to a single one plus it is way more fun to ride with a powerband. but i guess you have to figure out which you feel better rideing on.
What else can I help you with?
What happens to the speed using 2 stroke compare to 4 stroke?
two stroke engines have a power stroke every second revolution of the crank shaft. four strokes have a power stroke every fourth revolution of the crank shaft. that is why a 125cc two stroke has about the same power as a 250cc four stroke.
What is the normal size of go cart engines?
The normal size of a go cart engine is either 125cc or 250cc. These engines are either two stroke or four stroke engines and can produce as much as 90 hp.
How fast does a motorbike go at 125cc?
a 125cc varies between 65-85mph with a four stroke engine, and 65-up to 100mph with a two stroke
How fast can a 250cc four stroke bike go?
it will go 650 mphs
What is the fastest four stroke 125cc dirt bike?
Yamaha TTR 125
What is better a four or two stroke engine?
in my opinion a two stroke engine is a better quality engine as compared to a four stroke engine!
What is faster a 125 or a 250f?
A 250F (250cc four-stroke) is generally faster than a 125 (125cc two-stroke) due to its larger engine displacement, which provides more power and torque. While both types of bikes have their advantages, the 250F typically accelerates quicker and can achieve higher top speeds compared to the 125. However, rider skill and terrain can also influence performance.
How fast does a 125cc dirt bike go 4 stroke?
A 125cc four-stroke dirt bike typically reaches speeds of around 50 to 60 mph (80 to 97 km/h), depending on factors such as the rider's weight, terrain, and bike modifications. Four-stroke engines tend to provide more torque and smoother power delivery compared to two-stroke engines, which can affect acceleration and overall performance. However, the actual top speed can vary by model and manufacturer.
How fast is a 125 4 stroke?
A 125cc four-stroke motorcycle typically has a top speed ranging from 55 to 70 mph (approximately 88 to 113 km/h), depending on factors like the bike's weight, rider’s skill, and terrain. Four-stroke engines often provide smoother power delivery and better fuel efficiency compared to their two-stroke counterparts. Acceleration and performance can also vary based on modifications and the specific model.
What is the fastest single-cylinder 250cc motorcycle in production today?
The fastest production four-stroke single cylinder motorcycle is most likely the 2011 Honda CBR250R.
What type of gas does a 125cc dirt bike take?
A 125cc dirt bike typically runs on regular unleaded gasoline with an octane rating of 87 or higher. Some models may require a mix of gasoline and two-stroke oil if they have a two-stroke engine, while four-stroke engines use straight gasoline. Always refer to the owner's manual for specific fuel requirements for your bike.
How much hp does a 250cc motor?
A 250cc engine typically produces between 20 to 30 horsepower, depending on its design, type (two-stroke or four-stroke), and intended use. For example, a high-performance 250cc motorcycle engine might reach the upper end of that range, while a more standard engine may be closer to 20 hp. The specific output can vary significantly based on factors like tuning and manufacturer specifications.
