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Vertex pistons are some of the best out there.

Definitely man, I have a whole rolling setup now and love it!

I’d beg to differ, sir. I’ll put whatever stickers I want on my bike. Thank you very much. 😊

Thanks man, team green all day for sure. 🤘🏼👊🏻

That was definitely a good ride for all of us. Corners are my biggest struggle too, so I don’t have much advice besides all the basic technique stuff lol. Big jumps seem to just come naturally with more experience though and as you gain more confidence!

We need to hit up Valley this season for sure.

Thanks Gypsy! 🤙🏼

I’m estimating 63. The stock 450sr makes 60.5hp. So with this thing having slightly higher compression, an aggressive port and epoxy job, 5 angle valves and a vortex ecu, it’s gotta have at least a couple extra horses lol

@@JohnHolka yeah for sure!

17 and 21nm

I’ll be doing a detailed ride review and breakdown of all my mods and how they affect the bike in the near future!

Thanks a lot my dude, definitely much more content on the way!

@martin barr's CRF450 damn save some pussy for the rest of us man

In my experience I’ve had better luck with u4.4 than t4. T4 is a much cleaner fuel though and better for the average racer.

@John Holka MX I have a 21 ktm450 factory edition. I use t4,love the smell lol. But never knew which is better

Haha the carbon tip got slightly damaged and a new one was like $150, so I just epoxied it. 😅

I appreciate that sir!🤘🏼

No kart engine, just a regular kx450 motor built into a 63 horsepower fire breather.🤘🏻

So wht cams n all u changed to get the 63hp? I got a kx450 I'm building to just want some pointers.

Totally is!

It ruins anything rubber though. All oxygenated fuel is rough on rubber.

@@keithpeterson6108hmm that’s interesting. Been running O2 fuel for years, but I’ll keep an eye on intake boots, etc. I imagine it’d be horrible for 2 strokes then, since raw fuel actually contacts the crank seals.🤔

@John Holka MX Yeah, it's rough on float needles, all the o-rings in the carbs & fuel pumps. It's mostly anywhere the fuel is held more so than where it contacts. All the gnarly stuff evaporates off the intake tract & inside the engine. So it's not as rough on bigger items like intake boots & crank seals. I used to run it & a few other "flavors" from VP but don't anymore. I ended up having to replace all the rubber in my 2stroke carbs (buddies as well). It was such a hassle to drain it out after every ride vs the little extra jam it gave. In my efi bikes, I didn't want to deal with pulling the tank & purging the system, so I never ran it in those. Put some in a red solo cup sometime, it eats the cup! Lol

@@JohnHolka twisted who mapped your vortex recommends not using u4.4

Thank you! Throttle Syndicate does my graphics. Best designs in the business!

Yea I think she’s going to be a fire breather for sure! We shall find out soon, maybe another video on the way. 😏

Mine runs threw em, and probably one of the smoothest bikes I’ve ownef

Yea absolutely. It’s been a big problem for me on that bike. The bike is amazing minus the current setup. The stock setup was way better tbh. Going back to stock +1 compression shim and cannot wait

I forget the guys last name, but when I got back home that day I looked him up on Facebook because he was fast and we battled it out a few times. Apparently he placed in the top 15 at Loretta’s in the 30+ class the last couple of years. Made me feel good since I was at least able to keep him in sight on the track lol

@@JohnHolka I noticed as soon as he went past you dropped the hammer and went with him 🤣

@@YoYoZamolo​ You know I had to! Lol a little competition always brings out the best of us. In racing and in life💯

It was a little while back, I’m thinking sometime in mid November. I’ll check on my computer when I get a chance!

Yes it was! Thank man, I have a lot more fun on this 250 than I do on the 450 to be honest!