Diagnosing and fixing a TPI KTM / Husky Fuel Pump Issue (BOG) 

I'm super pumped to hear that, and I truly appreciate those kind words brother!

Wow due what a crazy story! I'll definitely note that. Glad youre okay !

use a longer jumper next time! I almost lit mine on fire last night XD

Oh shiiuuuytttt!!!!

Glad it helped!

Do you remember what the symptoms were when you replace the filter & stuff?

Heck yeah Dan!

Wait what? What fuel pump cost $3400?

Heck yeah!

First of all, I'm a huge fan of your channel man! So normally if the tank is about half full we can usually see fuel spraying inside the tank if we look inside the gas cap. The only issue is we usually can't tell exactly WHERE it's spraying from, which is what led us to remove it from the bike and get a closer look.

@@mxgryan hey thanks! Good to know. I’m trying to diagnose my bog out and seize up sound if you want to take a listen to the GoPro I just posted on Instagram.com/Trailboundco

Yes, obviously I used a fuel pressure gauge and that's why I knew there was a problem with the fuel. There's nothing after that or during this video that a Guage would help with. Had to find out WHY the pressure was low.

What year SXF? 350? Is the bike modded as far as the exhaust and intake? Sometimes problems in the high rpms like at the top of the rev range and runs fine otherwise, it is actually a dirty injector or a bad injector. But that would be the last thing i would do. Buy a fuel pressure gauge from Slavens Racing or Taco Moto. Its an In-Line Fuel Pressure Tester. That way you cna ride the bike, and when it starts to cut out, take a look at the fuel gauge and see if the pressure drops below 50/52psi on full throttle. If it drops then you have an issue like the video. Also replace the small external filter with a Metal Fuel Filter for these bikes like from Golan or a Sure Shot Fuel Filter. Also when was the last time the spark plug boot has been replaced? It screws onto the spark plug wire, but they go bad after a while and it can cause issues like this.. Also a fresh spark plug. A good battery and a charging stator.. If you open your fuel tank amd see fuel spraying like said in the video you probably have a split fuel fuel filter that only leaks under pressure or a bad line/fitting in the tank doing the same. Could also be a bad fuel pump that gets hot and stops working properly, but a fuel pressure test will show you that right away...

That's a good question Dante, I have no idea!

Around 120

Hey man. Ive seen that on other 16-18 KX450fs, seems to cause no problem. Maybe a failed valve seal? Either way I wouldn't fret, you should be able to go to 70-80 hours on that stock top end before you worry about it! :)

Ok thanks for the advice bro. I truly appreciate it. It had me worrying a little. Hahah didnt wanahave to spend any extra money before the holidays haha. Love the videos bro

I think you're talking about the bypass...it will only come out there if something is clogged or blocked.

@@mxgryan thanks! Found out it was a faulty fuel regulator (the round shiny thing lol). It was stuck open position, so more fuel was coming out of that then going to the injector.

@@howiedang how did you figure that out?

@@samuelyeet6006 took the fuel pump put, put it inside a container with fuel then tried to start the bikes. Thats when I saw the fuel wasn't coming through the fuel lines instead it was coming out the regulator.

@@howiedang it wasn't "stuck" open. I disassembled one of them today with the same issue. It had a ruptured diaphragm.

Yeah those clamps are stupid!

No sir!

@@mxgryan alright, Thanks for letting me know.

omg I HATED those things lol

What lol

That's laughable.