Big Problem With This Honda 400ex. Let's Fix It
ฝัง
- เผยแพร่เมื่อ 6 ก.ค. 2021
- I end up fixing a 2001 Honda 400ex that was having major issues. This 400ex problem was a mystery but I finally figured out what it was. #Honda, #400ex, #Fix,
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Thank you for all the support!
I was wondering if you could try to see what sup with my 150cc quad
I knew I would see the green handlebars again lol 😂
Also I had the same issue with my 04 crf450r, and it turned out to be a bent valve
I have a question if you could please help me out ?
love how calm and collected you are during frustrating times, most of us would sell it or blow it up and you seem to never get discouraged. great content and awesome work!
Looks like whoever worked on the engine last was using German torque specs, Guten Tight!
Hahaha nice joke! 😆
Those are all you need lol
💀💀💀
Another machine fixed! Nice job. These are great machines. I still have a 99 400EX and I'm glad I do because they're bulletproof and the price of a new machine these days is through the roof!
Nice when you have spares you can swap in to narrow down the scope of the problem. You checked things, gathered clues and solved the problem. Good job working the problem.
Good job eliminating everthing to find the problem,I love fixing bikes with mystery faults👌
I want a 400 ex so bad I’m addicted to these videos bro
This is a great vid....I just bought a 2000 Honda 400ex and this vid will help me a lot when trouble shooting problems...keep the vids coming!
Well done young man. Ive watched you videos for a while now and I’ve seen you make good progress in a short period of time with your diagnosing process. Want a good tip NEVER believe the customer. No matter what he/she tells you has been fixed just assume is wasn’t done. I know your gut was telling you carb from the beginning🤘🤘
I was thinking on the intake boot a crack - air leaking. But after watching your video and the carb was the problem. Wow great troubleshooting.
Definitely a clean 400ex….to bad you couldn’t swap those front plastics with your cut plastics 🤣
LOL😂😂
Great tutorial video man! Thanks so much for running through all the troubleshooting points. Very helpful to have all this information. Best of luck with your channel!
This was a good one. That's why the plug was black because of the broken spring the gas wasn't shutting off with the float level so it basically was flooding itself while it was running. First thing that popped into my mind though was intake valve or coil
Yeah i was thinking of that same spring being broken too
I did a valve adjustment now it has blue smoke after throttle
Loving the repair/troubleshooting videos keep up the good work mate
Be sure to re adjusted the valves for the hot cam specs. When I did a hotcams on my 400 I had to adjust them a little higher than factory settings
My 400ex did the same thing! I got rid of it after not being able to trouble shoot it myself. Neat to know now what was most likely the issue. I wonder how many people have experienced that same issue..
I have a 37yo Honda VF1100 haven't had a valve adjustment in years it runs great.
Mine is doing the exact same thing. Carbs been cleaned, guess I'm going to open it up and take another look.
Excellent detective work, thanks for the tour of the 01.
I had an old warrior that did the same thing..I bought it from a guy that couldn’t figure it out..I finally figured out the little clip positions on the needle was worn out and the needle was jumping up and down..I rebuilt the carb and it was mint
Yess sir love these trx 400 quads. I bet you you fix it in les than 2 videos they are build really good just like them xr400 bikes. Got 2 of those in the build series right now.
Nice work man, great mystery problem video. Had me thinking/guessing all the way.
Hey buddy
What a spot on find 💥
Very impressed
Well done for sticking at it and putting yourself under the limelight 😊
Very impressed at your Diligence,
This was a great video. Even though it wasn’t a electrical problem it was a excellent step by step. I just had my daughter’s blaster have a problem that I was almost positive was electrical but it was carb.
Wow!! Nice fined man.. I thought it was electrical for sure... I thought it was electrical for sure.. I don't think I would have found that ..good job..
Clean sport quads like this are becoming more and more rare now days! And prices just keep climbing. Wish I still had my 08 trx450
Idk about rare but prices up there but most clapped for price if its a good deal yeah fix it up better than buying from some guy thinking it’s going to work good but you still have to pay the high prices better off fixing it your self and save some money
@@Guadzilla459 i can’t find anything near me for less than 3k and that’s clapped out
Great content in this video keep up the good work definitely one of my favourite channels.
Nice job finding the issue! That’s a tough one to find!
That's a good find!! That would make it run really rich!! Great job!!
I've have the same spark plug for 8 years best quad ever made.
I had a four wheeler with the same problem and it was a wire that shorted out for the engine braking system
I'll never understand how this channel has almost 200k subs. It's a 10k sub channel especially with all the ads.
Great work Joe...she was a feisty one
alot ofr patience to find the problem most people dont have great video
Nice find joe keep up the good content 👍👍👍
Love the video content Joe im on a mission to get a mint condition 400 ex !
I noticed that when you pulled the fuel screw, no o ring came out.. on some of my bikes the O-ring gets stuck, and sometimes there's 2 O-rings inside.. which makes it run really rich.
I have Honda NX400 Falcon and always issues in Carb timing adjuster chain, clutch!!. Why they make this things soooo complicated? Mechanics nightmare and they don't wanna know If they touch it a lot of money and plus you can not find parts easly!! After all, just that f^n needle! What a patience!! Well done young man! I wish you were here. Love from. TÜRKİYE, Haa What carb. is compatible for my NX400? Thanks
Over rich (black soot) told you a story right there with the spark plug. Fuel/air related.
You should open a small engine repair shop you would always have content for TH-cam and make money from your business 😉
That's exactly what he does....lol
@@chadcaudill509 well I kinda mean a licensed small business type shop.
@@reckless3008 yeah but then u need to pay taxes....
but with how many he buys and sell in he sells alot more then your are legally allowed without being a professionelle in france atleast its 5000€ a year (but not counting cars) not sure how bikes and quads count. but anyway he could but it wouldnt probally be as profitable
I've seen that issue on 250ea trikes, a little lube in that shaft opposite of the spring should help it. It might be a little worn out in there.
Subbed…. This was a great video. Very well explained. I’ve got a mint 2001 Honda recon 250 with a weird sputter knock noise that almost dies the engine, but not always.
Love your videos man so relaxing 😌
Always check and thoroughly clean carb 1st most often the issue...small engine repair 101🙃😏
Hi I have a question just bought a 2002 Honda TRX 400ex runs but stalls out on idle cleaned the carburetor and running 38 pilot jet and 168 main . Only idles for 10 minutes than cuts out
Hey wasupp i have the same problem with a suzuki ltZ400z 2005 and i change the carburetor to a new one but still does the pop sound and it doesn’t stay on you think you could help me out with that thank you!
all my cuz runs in his 400ex is ngk iridiums. honda's love them for some reason.
Great job on that one Joe !
Hey man I have a question the last person who had the 400ex before me lowered the front suspension and I’m new to quads and I don’t know how to get it back up to normal size
Same thing happened to mine rebuilt the carb many times and it still didn't work. Put a new carb on it and it ran beautifully.
My 400EX is a hot mess. But I love the thing. I keep putting oil in it but I just don't know where it goes after a couple of rides. And I don't see any oil coming out
What is that green decal on the side of all the bikes? Are those registered with your state??
Dude ! Can you recommend a carburetor for my 1999 honda 400 ? I know the oem 's are expensive ! My Honda is all stock !
Amazing video's bro keep up the good work
Would you fix my 2005 ltz 400? Blown head gasket head might be bad?
float height in carburettor and set mixture
Those issues said its the carburetor at the start. Watching you go through all that work was painfull. Lol BUT, that's how you learn!
Think I'd check stator continuity right off, could be malfunctioning from the signal eye.
I’m stumped right now in a crf 250 it starts up for a second and shuts back off it ain’t a fuel delivery problem and also I have consistent spark
check ur air filter. once it gets suction it might be collapsing the filter and shutting off
Ford Performance I took the filter completely off to make sure it was not the problem and even sprayed a bit of starting fluid with upper lubricant to see if it would last longer than a sec but nope ...thinking it’s cdi I fried some wires and repaired them
@@anayal8tr130 yah that’s weird probably the cdi
Good video that was a tricky one buddy I hope all is well
Thanks for the tips. Great video 👍
The round plastic peice i the carb wasn't off when you opened it sideways it came off
Awesome video man
I’m having the same problems but with my yz125 what could it be
Check Cdi Box or coil my ltz 400 ran like crap when it was hot till i changed the CDI box
She running like a champion 💪
Check your pilot and jets clean them
That’s a beautiful quad tho besides the problem.
Try your air fuel mixture screw if running lean go a turn in and if running rich turn out
Awesome Job Joe..
My Kawasaki kfx 400 was kinda acting like that and where the exhaust headpipe connected to the muffler that gasket or seal was gone changed it and bam just like new
So I’m having the same problem will look into mine but other problem I have after I got it running was I went for a ride was doing fine on 1,2 got to 3rd and was trying to go faster but it boggle and shut down on me it will water back up after 3 minutes tho
Great vid man!
Even though the pickup coil looked good, with the radical sparking, but you say it runs good changing carbs, so I don't know.
Loving the vids clean 400
And your acceleration pump on carburator sorry for the extra typeing
Carb should've been the first thing you checked not the last
Shut up
@@ashtons.3821 it’s the truth
He was told the carb was looked at and is fine so why would he check that first? 🤷🏻♂️
@@TaylorNottz well I think the answer to that is very obvious it I'll tell you anyways. If the guy that couldn't get the bike running tells you he cleaned and checked the carb he obviously doesn't know what he's doing and that's the only thing he checked and cleaned so I'd start with what the clueless guy touched not to mention it the most likely thing to check when you're experiencing running issues
@@ashtons.3821 you should take your own advice mighty mouth
Make a video on how to find good deals on used quads.
I have a brand new carb for an 02 400ex if you wanted to put it on that quad
Check the exhaust header where it goes into the muffler
Can anybody help me with my 400 ex 1999 I cleaned my cabrater and I went to ride it it rained that day and all of a sudden it started back firing is there water in the fuel and getting in the cabrater or what?
Love the 400 ex one of my favorites
One CLEAN 01!
I was thinking puting a big bore 4stroke in my atc200. Gonna find a Honda 600 single. 12 horsepower isn't enough
Nice troubleshooting that was awesome
That was a good video bro💯👍
G'day Joe mate
Good catch 👍🏼
Please tell me where you keep finding these 400exs
Sounds like the pilot jet incorrect air fuel mixture. You changed the main jet but that only works for 1/4 to 3/4 throttle the needle 3/4 to full throttle. The pilot jet works from nothing to 1/4 throttle. If you're getting a little bit of flutter on the bottom of giving that throttle it's got something to do with the pilot jet or the mixture screw.
I got a 2009 cfr250r that’s locked up I need it fixed
It seemed like the spark wasn’t sparking everything which was weird
"Big problem" lol literally just simple carburetor fix
Big problem, easy solution!
🤣🤣caburetor I don't see how that's a big problem if a Rod went through the casing that would be a big problem 😂
It looks awesome
edelbrock used to make a great replacement carb for these. i used one on my mx 426ex back in the day.
Will you fix my stock 400ex 1999 year.
2000 TRX 400. Has anyone had the oil drain bolt freeze in the oil tank and then break the female end totally out of the tank ? Never had seen this ever before.
Great job!!!!
Joeee please get a 2009 Honda 700 xx
The air cut off valve could be suspect.