Good video! Do more

Do you still own this bike? I will buy it from you no questions asked.

Thanks

It’s not changing back pressure in the exhaust. You basically never want back pressure or any obstruction in and exhaust system. What you are doing is changing the exhaust timing and the port size. When the power valve is in its lowest position, the combustion has more time/stroke to push against the piston, giving more torque. It also is a smaller opening into the pipe so that the pressure wave that is exiting the cylinder is higher velocity and scavenges more fuel-air mixture through the ports and into the cylinder and out into the pipe. If the pipe is tuned properly, the pressure wave returning to the piston with that extra fresh fuel-air charge will enter the port at a higher velocity l, effectively supercharging the engine. This produces torque. Allowing the valve to open sooner reduces the scavenging effect and its pumping losses, allowing the engine to spin higher. The torque at the crank is reduced but the higher rpm (and lower gearing) allows more power to make it to the rear wheel for greater acceleration.

Same injury 11 months ago trying to ride again but very nervous. Thanks for the video!

How long after you dislocated your elbow did you get ba k ok your bike?

I still own one of these bikes. Hands down best bike iv ever owned never got on well with the air forks I have ohlins forks on it now the counter balance shaft is the best thing about these bikes

Is it okay holding the clutch for too long?

With all due respect i have been building and tunning two stroke engines for mor than 60 years and I take exception with your explanation. The power valve in any two stroke is a variable timing exhaust valve. When the valve is closed the engine preforms more like an enduro with higher compression and a longer power stroke. when the valve opens the compression is lessened and we move more exhaust out which creates more revs. You want high compression for torque and less so the engine can rev. In the old days you would widen and raise the exhaust port to gain horsepower, but we would loose bottom end torque. The power valve gave us the best of both worlds which we didn't think was possible at the time.

I own this same exact snow mobile the guy is riding right now 0:35

thank you, super helpful!

Ah shit!

I have an 18 tx 300 aswel best bike ever have you still got yours

How did the TE do in desert whoops?

oo

very awesome video good job man

Dude thanks from an old newbie!

I go with TE

My KTM 150 exc power valve opens at about 18000 rpm so ima unscrew it a bit yO

Beck preshure ? Wtf hahahah

Are these good for the dunes

Now every1 is going 2 go think there mechanics & mess up there bikes

Did it make it up Choke Cherry?

Tq for sharing good info

This is awesome 👍👍

So basically How I can adjust it if I want to use the KTM 300 two-stroke for the street do I do I have to bring it out or in

did the Polaris atv clutch fit alright?

Been searching for the right training steps in improving balance! THIS IS IT! Thank you!

I'm gonna be in this race. if your first how do you know where to go?

Great video. I am going to work on these skills.

Cool! My son and I are going to do this race in February.

Hi am 45 years old, with 10 hours of dirt bike riding ( my first bike ever), i do struggle with clutch control, are these drills exectly what i should practice to gain control? How much time more or less do i have to put on each one of them. Regards Kobi

Is this west Texas, New Mexico, Nevada, Utah? Good tips though

Those Beta look good been wanting one. I need to replace my old sand bike though first (14 250XC). Which do you think would did a better job in Sand your 18 FX350 or the 20 TX300i ?

Do you recall what your squish measurement was after you cut the head. The reason I ask is I am wondering how tight to go on these air-cooled motors. I just measured it stock and it was 114 thou. I was pretty surprised by this

Where is this located ?

Thanks for sharing

There are some really fast amateur riders at these races. Don't get stuck behind the herd, it is a race. Remember to pass. I feel you chose the correct class.

Thoughts on the fast way handguards?

Whats the stock preload for Ktm/husq 300 17 carb?

How’s the long term reliability of the 19’ 850. I’m looking at an 18’ 800 and a 19’ 850. What do you think?

on your husky 2016 te300 with one is mode one? I got one that was used a few days ago

hey, man! The beginner chooses a dirtbike... what do you think at the stage of choosing a dirtbike, is it important to pay attention to the height of the motorcycle? Is it important that two feet can stand on the ground? or is it enough to stand on one foot on tiptoe? What is correct?

Great video! Thank you a lot!!!!I recently started to get involved in enduro and on my channel I tell about the progress of my zero-level endurist. I am always ready for criticism and advice. I mentioned your channel in my video and left a link. Let all beginners, like me watch and learn. And I made language translation 01 min 23 sec, then 13 min 46 sec, and 15 min 47 sec. kzbin.info/www/bejne/jpykZ5mGiK5jbqc/

thank you for your videos. Many people only talk about the suspension settings on each bike. I have a question. is it important that both feets reach the ground when you are sitting on a bike? is it important to adjust the height of the bike to your height, so that both feets touch the ground?

Cool video!

Hi, thank you for your channel. Is technique the same for 4t bike?

very very useful and thank you

please forget that fucking "backpressure" word... power valves partially close the exhaust channel to simulate a shorter exhaust opening (in crankshaft degrees), because at low rpm's there is not much exhaust gas volume that needs to be evacuated, this effectively increases the power stroke some 10-20° longer so each and every combustion process has more time to push the piston down. that's why this gives you more power in low-midrange.

Awesome video!