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Honda nighthawk 250 carburetor upgrade Videos

Honda cr 250 carburetor cleaning en rebuild timelaps

cleaning and rebuild a carburetor.

Carburetor Cleaning (Disassembly): Scooter Rebuild 3

Disassembly of a 30mm Keihin Carburetor from a 2001 Honda Reflex 250 Scooter. Please like and subscribe! Facebook: www.facebook.com/aimlessmoto ...

User Comments

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XundercoverbikerX commented on 27 Aug 2015
that's some good stuff here
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AimlessMoto commented on 28 Aug 2015
+XundercoverbikerX Gracias senior.
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GTs Garage commented on 27 Aug 2015
Great break down of the carbs, talking about bugs and things that tend to end up living in abandoned motorcycles, there is a tube vid on here somewhere where a guy stripped a top block and found a complete wasps nest in the engine lol
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AimlessMoto commented on 27 Aug 2015
+GTs Garage HAH! That's crazy! Post the link if you find it. I just borrowed a bore-scope from a friend to check the head and cylinder... and I found more critters in there. That video should be up this weekend.

Honda rebel 250 carb cleaning

rebuilding a 1985 honda rebel 250 carburetor.

Get To Know Your ATV / Motorcycle Carburetor Pt. 2

User Comments

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Cajunboy4596 commented on 24 Jun 2011
Ok first of all your (switch) is called a needle valve, and there is no spring that holds it, it just sits there. Next thing the little jet is used to start the engine. And you asked if the collar needed to be adjusted for your idle? You have to adjust your idle screw, if it is idling too fast turn the screw (counter clock wise) it will slow it down. Just thought I would help you out for your next video.
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George Gill commented on 22 Jan 2010
my brothers atv is a 1999 yamaha beartracker and it has a problem that it has a hard time getting up to high rpm's and it has a really hard time climbing hills and I think its in the carb the spark plug is all black and the needle on the slider with the diaphram is down the whole way so it should be blocking most the gas but the plug is still black what do i do??
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Rabscallion69 commented on 30 May 2011
so today i was inspecting my atv and i took off the lid to my air filter and when i looked in it was sitting on the bottom :( i have ridden at least 3 times before noticing this but i haven't been going through many dusty areas because it is still very wet where i am from. what maintenance should i do to make shur my bike is safe ?
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Aaron Clark commented on 29 Jun 2011
I have suspected plugged jets from the behavior of my bike. Your description of using the choke as a mixture adjustment was spot on for my situation. I am pretty sure this is indeed my problem. Thanks for the great video.
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Dre Ellis commented on 21 May 2010
CAN ANY ONE HELP ME. I GOT A 2 Stroke 90cc Dinli BEAST 7.7 horse power. IT STARTS AND RUNS BUT WEN I HIT THE THROTLE IT SHUTS OFF I CLEANed THE CARB AND AIR FILTER TWICE. ITS LIKE THERES NO POWER COMING FROM THE ENGINE.
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RMHxXxDubs commented on 08 Jul 2012
that little brass rod is when theres too much gas in your car or say your on a big hillor roll over its a bypass vent, it ignores the screw on the bowl to drain fuel, it is a way that fyour bike doesnt get flooded
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monsterrmann2244 commented on 13 Nov 2009
Ok, I have a 1989 Yamah moto4 200 and installed a Un Ait Filter. I have been riding with it on there for about year. My exhaust smells really funny. I've checked my plug and its really black.
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Brandon GAzeLLE commented on 11 May 2009
the cover is there to act as a shield, atv's have a bumpy ride and can force to much or to little fuel without the cover, it basically blocks the jet from fuel slosh.
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BIGDADDY21AK commented on 04 Oct 2010
lol.. try layin off the dro before video.. that blowing on wrong hose deal really confused me for like two minutes of video.. still great video man ... thanks
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airjersinclair commented on 03 Apr 2010
you were blowing the wrong hose, that wasn't the fuel in hose, thats why it wasn't shutting off originally, but you blew on the right hose later on in video
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americanhindi commented on 09 Aug 2009
Yeah I noticed that too. Great video though. These are the best Motorcycle Carb video series on Youtube. I rated all your videos. Thanks for these videos.
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Chad Reeves commented on 14 Apr 2013
I bought a new carberator for my trx 90 and it came with a tube air vent leading to a cover connector. where does the cover connector connect too. thanks
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MohadibTheHorrible commented on 17 Oct 2010
@jc3604sho sounds like your float might be stuck or the float valve is not working. As far as parts, try bikebandit and the classifides at 3wheelerworld
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George Gill commented on 15 Dec 2009
@poeavor yea i know when he was blowing in the hose to see if the gas would stop he was blowing in the wrong hose =P
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MohadibTheHorrible commented on 09 Aug 2009
Thanks a lot! I watch this now.. and I just want to remake it :D I left so much relvant stuff out :D Thanks Again!
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namesjacob commented on 25 Jun 2012
Do you have the name of the brand of that carburetor, also do you recommend a brand of carb cleaner.
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Unseen1PA commented on 17 Oct 2010
Sorry but i was laughing my ass off when you were blowing in the wrong tube.
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MohadibTheHorrible commented on 22 Apr 2009
Doh, lol, second time i blew in the right tube. Good catch :D

Get To Know Your ATV / Motorcycle Carburetor Pt. 3

User Comments

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J Johnson commented on 08 Nov 2009
The "switch" actuated by the float is the Float Valve. Some carb cleaners will dissolve the rubber tip, it is better to just wipe it clean with cleaner on a rag rather than soaking it. The first jet removed was the Main jet, it is attached to the Needle jet. The other small jet is the Pilot jet which is responsible for fuel delivery at idle and low rpm. Very important to clean the tiny passageways below the Pilot jet also. Compressed air works well. Good video for beginners to learn from.
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Jordybean commented on 16 May 2009
Aww man these vids are awesome thanx for taking the time to make them for noobs like me. Ive got a problem with my 1980 honda cb750. Every time i give it full throttle or close to it, the engine chokes out on me. Youre probably laughing at me right now but im a rookie when it comes to this stuff and im not sure whats wrong. Any ideas as to whats up?
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tools010 commented on 04 May 2009
man great vid dude this helped a lot. I had a raptor 660 and i now know the jets needed to be cleand, well i ddnt know how and it set for a while and then it was stolen.Now i have a bayou and its doing the same thing the raptor was doing so this vid tells me how to clean the jets and 4 that i thank you,, so thanks.
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billspcclinic commented on 10 Sep 2010
yes vary good video, i have a better understanding of how it works, but i'll leave it to the pros. One thing i could ask, is it a good idea to put in a jet kit? are should you upgrade other parts at the same time.? id like to get a little more out of my Lakota 300.. thanks
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chessfun commented on 21 Aug 2009
this video is great, very well explained, i am repairing an old kh250 and i am having carb trouble, it floods all the time, now i know i have to make sure the jet seats and my float level is correct, thanks a lot for sharing...
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fastgmc commented on 24 Apr 2009
good explaination i just got a 83 185s from a guy at work it was locked up and i got it to fire last night im going to start on the carb here in a minute...the tank has a small bit of rust in it...any ideas or tips on that?
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tools010 commented on 04 May 2009
wow just got done and it runs like new, it makes me want to kill my self that i let that raptor sit for so long cuz i ddnt know how or what to do, but thanks for the video guy it helped a lot.
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GetMagnet commented on 18 Apr 2009
Is there a certain way to put the top part on where the throttle cable connects? I took mine apart and put everything back together and now there is little tension in the cable.
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charles commented on 06 Feb 2012
Hey thanks a lot for making the informational video. I do have 1 question though. What would make a honda 185 s 3 wheeler run at full throttle all the time?
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MohadibTheHorrible commented on 24 Apr 2009
i put a bunch of little rocks in mine and some kerosene in mine and shook the hell out of it. Did this a few times. Spray out the petcock too. Good Luck!
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Patrick Tatten commented on 21 Dec 2010
great video - very well done, clear explanation - i am taking a motorcycle repair class and you clarified a lot of important points! thanks so much
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edysica007 commented on 20 Jul 2009
ur the best dude ! i have 4 carbs to clean.. but now im 100% confident that i will do it right ! it's ma 1st time when im trying dis..
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thirteentango commented on 08 Mar 2012
@GetMagnet hey let me know if you ever found your answer, I have the same trouble with my daughters kfx50. Thank you in advanced
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MohadibTheHorrible commented on 16 May 2009
I would guess you have a partially blocked jet and the engine is running lean. Make sure all your jets are clean. Good Luck!
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monsterrmann2244 commented on 13 Nov 2009
I found when i was cleaning out important components that effect your engine, Brak-leen worked good too.
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dc check commented on 21 Dec 2011
Very helpful. Answered my question about having to use my choke to keep it running. Thsnks
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monsterrmann2244 commented on 13 Nov 2009
Well. I use the aerosol forum of Sea Foam . Deep Creep is the name. Works really good.
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GetMagnet commented on 17 Apr 2009
nice video set. i was looking for a good visual of taking apart a carb like this

Carb testing

User Comments

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Drew Gormley commented on 02 Sep 2012
Jalen, Sorry man. NH Forums led me here. I know it's awful to wonder why a bike won't run. I'm fixing a 91 and it's seemingly down to the carbs. It runs for an hour, then the next day doesn't run...exasperating. Good luck.
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Drew Gormley commented on 04 Sep 2012
For the record, youtube, yes it was Jalen's pilot jets, clogged with old fuel varnish in the long axis, the side to side view of this fuel emulsion holes was clear. He's back on the road.
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Jayrock37343 commented on 02 Sep 2012
My pilot jets are clogged after taking a better look. I hope this is it......

644 carb hard start.AVI

Messing around with carb cleaner part 2

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