Hawk dlx engine problems

[Pharaoh]

Hey guys one of my friends helped me change the oil on my hawk DLX 250 2020 and he thought it was a great idea to put Castrol ATF in it. I believe it messed up the compression and my engine although I'm not entirely sure I need help figuring that out, but a mechanic told me I would need an engine rebuild kit. I'm trying to figure out the best website to buy that off of. I've changed the oil and bought a new spark plug. I bought the bike used with 80 miles on it I tried to take a trip to Chattanooga after the oil change and the bike shut off on me. it used to start and idle but would shut off after a certain RPMs now it won't start at all I'm trying to figure out what I need to do and the best and cheapest website to get it off of right now I'm financially unstable and that bike was my means of making money I need help today

[JerryHawk250]

Before you start throwing money at the bike. Do a valve adjustment and check valve lash is within specification. If they have never been checked, it is more than likely there is no clearance at all and the valves aren't completely closed. Thus, loosing compression. Very common on these bikes.

And of course change the oil.

[Pharaoh]

ive did an oil change and got a new spark plug its fuel injected and electric start im not sure how to check the values this is my first bike

[JerryHawk250]

Here's a good Tutorial. This will be the same as on your Hawk. https://cscmotorcycles.com/tt250-valve-adjustment/

[Pharaoh]

smh Im all messed up i dont have the value adjustment tool

[JerryHawk250]

Originally Posted by Pharaoh

smh Im all messed up i dont have the value adjustment tool

No special tools are needed. Feeler gauge, 10mm open end wrench and a pair of needle nosed pliers to hold the valve adjuster screw from turning while tightening the nut.

[Pharaoh]

and that would actually make it act up and lead to it not stating at all......like its trying but just wont

[Pharaoh]

okay before i begin will that really make it act up with rpms and also lead to it not starting at all

[Zynice]

Can get feeler gauages from autozone or other similiar type stores for really cheap. Just make sure you get the correct size (0.005). Though its roughly the same size as a normal piece of paper. Wouldnt recommend a piece of paper for it but in a pinch can get give you a close guestimate. You mentioned it would idle but die off after a certain rpm. That sounds more like a fuel issue to me personally. Maybe a clogged injector or something with the fuel system. Can check to see if there is no kinks in any of the lines. But as you mentioned you took it to a mechanic and they said it would need a rebuild (assuming top end). Dont know many sources for dlx stock parts personally. If you want to go the big bore route could use MotoCult. Seen videos floating around online about them being used and people being happy about the results.

[Pharaoh]

the mechanic is just the guy that built it that i bought it from and he works on his bikes for a hobby hes stopping by tomorrow im defiantly starting with the values but when i try to started it now something in the cylinder sounds clogged but the only that was change was the transmission fluid and the trip and i put premium gas in it

[Zynice]

Originally Posted by Pharaoh

the mechanic is just the guy that built it that i bought it from and he works on his bikes for a hobby hes stopping by tomorrow im defiantly starting with the values but when i try to started it now something in the cylinder sounds clogged but the only that was change was the transmission fluid and the trip and i put premium gas in it

I feel ya. How was the spark plug before you changed it? If it was fouled or had a lot of black soot(carbon type shit) built up on it could be an indication it had oil in the compression chamber. Premium shouldnt really make a difference unless the bike has been heavily modified. 87 works fine for stock imo. But yeah definetly check the valves. For me, mine were too tight for a bit (forgot about it). But it still ran. Not sure what could be causing a clogged sound, havent experienced that myself on a bike. Besides maybe its not getting enough air..... Actually there is one thing i could possibly think of. The air box. Idk if the dlx has it but I assume it would. Theres a hose coming off the rear part of the engine next to the starter that goes into the air box. It could be flooding the air box with oil. Can try pulling off the portion to the air box and if oil flows out that can definetly be an issue

[Pharaoh]

it was pretty black and dirty i also did notice when i cleaned the throttle body that the air intake had not oil but gas in it not to mention i only cleaned it because i thought it was the carb i feel like im getting closer and closer to the answer

[Zynice]

Originally Posted by Pharaoh

it was pretty black and dirty i also did notice when i cleaned the throttle body that the air intake had not oil but gas in it not to mention i only cleaned it because i thought it was the carb i feel like im getting closer and closer to the answer

Gotcha gotcha. Im not super super familiar with efi models. But id welll assume its probably something faulty with the fueling system. Having gas in the air box/air intake is not ideal whatsoever. If I were you when your mechanic comes over tomorrow Id definetly mention that to em. Honestly dont know what would cause gas to go there (carb kinda guy lol). I do know that having the spark plug be black and dirty could also be running too rich(too much fuel). Which would make sense since theres gas in the air intake. But how it got there I cant say for certain. Which would also explain not being able to get to higher rpms for sure. If theres too much gas and not enough air it aint gonna run right. Way too much gas (Flooded) and it just dont do shit lol. Could be the reason it started now is that old gas inside the compression chamber had evaporated off to the point where it wasnt flooded

[Do©Hawk]

There is a drain nipple on the bottom of the Hawk DLX air box. It is molded into the black plastic and has a black plastic removable cap. If there is excessive oil or water, or gas in the air box, it will drain out if you pull the cap.

[Pharaoh]

okay okay do you think that this could be the problem? like maybe its being choked out and would that led to it not starting