Its All About Finding The Balance - Honda VFR Carb balancing
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- Опубліковано 4 вер 2024
- Not much to say about this one really other than I thought it would be quite interesting to show how the VFR carbs are balanced as well as give you some pointers on doing the job on any bike that runs carbs.
Enjoy.
links to some of my other very interesting videos -
Honda VFR400 - • Honda VFR400R NC30 RES...
Ducati 916 - • Ducati 916 Restoration
Honda CR250 - • Honda Cr250 Restoration
Brembo Calipers - • 25 Year Old Brembo Bra...
Impreza calipers - • Subaru WRX Brake Calip...
Ducati 600SS - • Ducati 600 Supersport ...
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RRC Restoration
Its All About Finding The Balance - Honda VFR Carb balancing.
Sometimes, learning the how-to is the best way to understand the why. Appreciate the time taken to illustrate and narrate the wizzardry behind carburetor adjustment! Thank you.
Thank you so much :)
Always a treat to find new RRC content on UA-cam.
Enjoy :)
I'm very impressed with your long reach anti-swearing tool!!
Seeing the little red notification bell for RRC when I opened UA-cam has been the highlight of my week! I find that I've already learned a lot from the resto vids but instructional videos would be fantastic.
Thank you for your feedback :)
Thanks. I had a VFR and at some point, there was a bad CLAC noise when I started it in the morning. The noise was only there once in the morning. Every morning. Luckily, I had a guy who was specialized on the VFR. The problem was the tank valve. It is supposed to be closed if there is no vacuum on the attached tube. In my case that valve malfunctioned, it was always open. The result of that is that (in my case at night) a little fuel was flowing into the carbs, and from there into the cylinders. And that resulted in that bad CLAC noise when I started it.
I used to repair smaller bikes when I was young. I never would have guessed that that noise might be the result from that bad tank valve. I would never have found that problem myself.
I hope this is helpful for someone else with the same problem.
Not sure if this is the same thing, but the VFR had a common problem in that the diaphragm in the fuel tap degraded - I think there was an air vacuum pipe to it for it to open when needed but it didn't always work. I remember having to run on reserve all the time else it would konk out from fuel starvation - and then eventually I took the diaphragm out altogether and ran without. Some good memories with this bike, I had a R6 after this but still preferred the NC30, it was a great bike.
Tank valve you mean the taps that open and close the fuel lines? My ktm does that sometimes when the bike is cold, usually in the morning or anytime you pick it up after many hours being stopped, it pops as soon as you start it just a few times and even you can hear some clac or small explosion in the carburetor. Did you have those symptoms ? Just for me to know where to look! Thanks
@@Angel-rg9dh In my case, with my VFR, there was no issue with the carburetors. The tank valve can be opened and closed by turning it. In addition, with the VFR, there is a hose attached to the tank valve. The valve is supposed only to open if there is a vacuum on that hose. The hose is shown in the video above. In my case the tank valve was also open when there was no vacuum. And that caused above-described problem. When I described that bad noise to my VFR specialist, he recognized the problem right away. So it seems that is a common problem with VFRs (and maybe also other bikes).
@@edgar9651 It does sounds like a bit of a carb problem as well. While the vacuum valve should shut off the fuel petcock automatically, the needle and seat in the carbs also should prevent fuel from running through the carbs (shutting off the petcock is usually considered a safety feature in case of a carb problem, but really shouldn't be a requirement for everyday use.)
@@Angel-rg9dh I don't know if it's relevant but one cold autumn morning, last year, I arrived at my dealer and they had all the KTMs running. The suzukis and the yamahas weren't, just the KTMs. I got a bit suspicious and asked one of the guys there but he just said "oh we just want them warm if customers come and want a test ride". But still, only the KTMs. And these were all new bikes mind you. My completely subjective belief is that KTMs are more sensitive if not operating at ideal temperatures, probably because they are more high performance than other bikes. I mean compared to other bikes in their categories, I think they have the highest amount of HP/CC and that probably comes with some drawbacks.
Speaking (typing) as an ex Honda Motorcycle mechanic, I'm all in favour of these how to videos. More please!
And the best thing about balancing carbs that wasn't mentioned, but applies to the inline four engines, that bloody awful grinding noise at idle vanishes to sewing machine smooth when the carbs are correctly balanced!
Cheers,
Norm.
Ah yes. Whenever I took my old GPZ750 to the shop for a carb sync a million moons ago she went from a growly old lion with a cold to a fine purring kitten.
inline 4's seem to make a resonating sound when not balanced? it's hard to describe the sound something like a resonance or an echo...anyway they just don't sound right. i put it down to out of sync carbs..
to be more specific i wonder if it could be an imbalance between 1/3 and 2/4 given they work in pairs like on this vee 4
@@AndyPat239 I dont think so. We used to have to adjust all four carbs to a specific vacuum pressure. There wasn't any instructions in the manual about getting 1 and 3 or 2 and 4 balanced together in pairs. Each carb had its own adjuster as opposed to the V4 having one for each pair plus one for the two pairs. HTH.
Cheers,
Norm.
@@NormanNodDunbar fair enough m8 I'm learning about these things. got a couple of inline 4s here to play around with 😊
Sometimes the instructional videos are just as good as the restorations ones. Always nice to gain more knowledge
A very satisfying job, nicely presented
Thank you so much 😀
I love this quick how-to. More frequent posting with short videos would be great but don't force it. This was a wonderful example of when that method works well.
Yes please to more of these videos. You are becoming more visual to us now, hopefully you will stand and present to us one day.
Agree! Moar pls!
Excellent - really enjoyed that. Thanks for putting it together. More of the same would be great; have enjoyed your channel for a looooong time! 👍
Thank you ,really happy to hear you enjoyed it :)
This is one of my favorite little jobs to do. Very satisfying.
The graphics and color combination are fantastic. Good job!!
More of these please! Informative, entertaining, and inspiring to have these things demystified!!
I’ve just come across your you tube channel by chance and I had to watch the whole restoration best one on you tube informative and real time brilliant
You sir are a joy to watch and I look forward to your next project
You make it look so easy, I just love riding them, but now I am 70+ I just have to watch.
Thank you so much for this exact video ! I will put back the carburators on my own VFR400R during next month. How convenient it is !
Yes, please! More instructional videos. As I cant afford to have you restore my Hurricane, I need teaching!
Its just inspiring to see your work.
And btw, thanks for ditching the blue windscreen, and painting the Carbon mudguard white!!
Is that a sneaky peak to a bandit project 🤔
Possibly, you never know ;) lol
@@RRCRestoration I would love that
that fuel tank has additional mounting holes, so it is a 1st gen bandit 1200. it can be model S or model Y. as a gsf600s owner i can't wait for the next video!
I probably won't ever have a bike with carbs, but this was interesting and informative!
Instructional videos would be very welcome! This one was perfect - concise, understandable and presented in an easy-to-digest manner! Top work!
If you wanted to go to the next level, you could come and sort out my 92 CB750 and get her back on the road! 🤣
Love the little "In-between" video and also great instructional.
Thank you, glad you liked it :)
Nice to watch a craftsman work. I had the other version of this the RVF 400 back in the 90’s it was a great bike in good condition but nothing like yours 👍
Your VFR series inspired me to buy an MC22 CBR250RR and do a nut and bolt restoration. I’m currently 5% in. I’ve stripped every part, bagged and tagged. Wish me luck lol
Would love to see more how-tos from you as well as your restoration videos. Cheers.
Yes please, more content like this one. I love to see how to tweak an analogic bike.
Thanks for the feedback :)
Jak zwykle perfekcyjny film !!! Dziękuję Ci za wyjaśnienie ;-)
After Deadpol, you are my next favourite superhero.
You made that look easy! The adjusters on my VF500F2 are a roght pain to get to. One garage said they wouldnt touch em, so i bought some gauges and the bent screwdriver, and did ot myself. At least it was easier than the valve clearences!!!
Your videos are the best. RRC is my favorite channel.
Always learning, RRC, and lovin your work, and your accent, and your tools, and your workshop set up, and your restoration techniques, and the end results. That's about it, though.
So much information! Thank you. Yes we would like more instructional style videos. If you have any recorded content of how the bearings were removed from the swingarm and the rear hub (needle), we would all love that.
Hmm I'll have to go back and look at my old footage but im sure i did film the bearing removal, If i did I'll edit together a little video and upload it ;)
@@RRCRestoration that would be amazing! Thank you so much for the consideration, ive been working on mine (im at the part where ive got to get the bearings out)
Awesome! Yes please, adding more of these kinds of videos would be muchly enjoyed as well 😃
Thank you, glad you liked it :)
It's like a surprise bonus episode! Luckily, for me, I only have to balance one carb.
Love these instructional video formats. Would love to see a more informative video on how you plate various bolts and components. Apologies if you’ve already done one
yep please more instructions. I keep thinking of taking on a project bike and this would be very helpful
Very nice to see this! If you can do this content as well, it would be great! The quality of your work and style of presenting make these vids a real treat.
Seems like a piece of cake when you know what your doing, It seems you have every tool needed to rebuild just about anything, well done sir.
Thank you, glad you liked it :)
Every days a school day, brilliant
Glad you enjoyed it :)
Instructional is good..everyday is a learning day 😊
Thank you :)
Beautiful, short, informative, directly to the point... Thank you good sir!.
Glad you enjoyed it! :)
Wonderful! Still waiting on the test ride. I guess you're waiting for better weather 😊
Great video. Like all your videos 👍🏼
But is it possible to make a full video on setting up carburetors? From adjusting the different jets till adjusting the mixture?
Ps keep on making this videos 💪🏽 they are the best you can find on UA-cam.
Thank you, glad you like them :) I'll make a full in depth carb video when i get the chance ;)
Great explanation and demonstration.
*Every* video you do is good. And my gosh that is a good looking bike - you are so good!
It's always exciting when you upload a new video, when it's something like this one it's even more exciting, so yes bring them on whenever you feel it's worth it 😊
What a beautiful bike. Did I just see the fuel tank for the new project? 😏😉
Thank you, Maybe, maybe not ;)
Thanks RRC, I'll be doing my in-line CB1 shortly. Different procedure, hopefully the same result.
Also, I'll be following your process (as nearly as practicable) to detail the frame, suspension and engine to a more tidy result. Happy riding, from Ontario, Canada!
And I’m restoring a CB-1 at the moment having done my own NC30.
This hobby is such fun.
Great video.
I could listen to that engine all day…
This was super informative and "engaugeing"! Love it
Really interesting, thank you!
Glad you enjoyed it! :)
I'd heard about having to balance carbs but had no idea how it was done. I watched some other channel where the guy has a business restoring classic cars and he gets in there with a length of tubing and he sticks it into the carb air intake and the other end at his ear. No idea how that works but the end result seemed to be good. He did two V12 Lamborghini engines that were on a Riva Lamborghini classic speedboat and they sounded epic.
I think it was called Tyrrell's Classic Workshop.
Anyhow, I'd like to see more content like this along with the restoration vids. Cool work man.
I love your videos, I hate how easy you made that look. I've spent hours on similar jobs fumbling my way through like a dog chasing its tail 😭 thank you for posting!
Great vid, answered a question I had in the back of my mind. Great format to keep us going in between the longer vids. More please!
Merci pour la vidéo !
La synchronisation sur voiture je connais, mais sur le VfR par la place restreinte... C'est plus compliqué, car il faut démonter pas mal de choses, l'accès au piquage et l'accès de la visse de synchronisation...
Super, maintenant la voilà accordé pour une jolie mélodie !
👍
i use the tip of zip ties and works so good on a inline 4 Honda CB i sent back my vac tube's bs my babe runs nice and cool in AZ summers no need for vac lines gauges zips thats is in all 4 set screws so wings set soft on zips then set idle to what you like
Awesome - yes, more like this please. Would be nice if you could show the tools you use too - I will basically buy anything you use when needed, because it's going to be good.
Cheers for the feedback my friend :) Maybe a nice idea for a little video showing all the "specialty" tool needed for certain jobs.
@@RRCRestorationAnd don't be shy doing Amazon partner links etc. - if you like a tool and we buy it, you get a little slice - as you should.
We used to balance my carbs at 2500 RPM, it seemed to make more sense as that was closer to where the bike spent more of its time, at idle it was a bit 'out' but at these Revs, was silky smooth a bike racer - cousin said to do it that way. Just FYI...
Top quality, information-wise and visually!
Glad you liked it! :)
Really wish that the like had a love option...if only I'd had such a simple explanation when I was doing my VFR750F ❤
Thanks for the video! from this I learned I'm definitely sticking to fuel injection in the future
Carbs are cool but for ease of tuning fuel injection is king lol
I like this style of video, very well explained! Could you do one for setting up carbs for fuelling?
The issue I have with
my RC 30 is blocking the throttle butterflies so as to be able to turn the screws without the motor revving. I recently had to replace all the fuel lines and when on the bench I spent an hour setting up both the mixture screws and the butterflies. I used a 1.5 inch thou feeler gauge. The results were much better than I expected!
You almost made it look very easy! 😂
Thank you for taking the time to explain to us.
Greetings from Córdoba, Argentina!
You are welcome! :)
Yes to instructional style videos, please give me your knowledge
Awesome! Love videos like this in between. Even if i know the process seeing and hearing someone else do it can lead to a better way or a more proper way/efficient way. Other than what i may have already known!
Cheers buddy, glad you liked it :)
It'd be really interesting to see the bike being wound up, on a track day for instance. Looks great!
Aw WOW - that bike is SO pretty !!
So, 18" of plastic overflow pipe held to your ear and each carb in turn not good enough eh?! Here in Brighton & Hove today it is a lovely warm Spring day so hopefully it's similar up there and you can go for a little blast around the lanes. A really great project this has been.
Another brilliant episode.You made that fiddley job look so easy Big Man👍🏻
Cheers buddy :)
More info vids would be fantastic, they would be a great addition to your restoration collection 👍
Thanks for the feedback :)
Finally i know how to tune my crab of NC30 from you thanks advance for your teach
Yes please any content you care to make I’ll happily drop whatever I’m doing and watch!
Thank you very much :)
Thanks for sharing your experience and knowledge was very informative and interesting you do need a lot of tools as well and know how to use them love your content thanks 🙏 ❤
In a world of smoke and mirrors it’s great to see an expert at work! ….👍👍
Great instruction. More, please. Thank you!
Untuk balancing karbu dapat dilakukan dengan alat yg sederhana, bisa di buat dengan peralatan seperti alat suntikan 4 unit, per yang disesuaikan dengan alat suntikan agar bisa di masukan ke dalam alat suntikan dan beberapa meter selang
When I was synchronizing the cabs of my cb400 four 1976, there was a problem. First I had to synchronize The gauges. Put all 4 tubes together in my my mouth and suck. They were not synchron. They were cheap. Thanks for this video. Best regards, Rudi
Yes please more shorts. Thought i might see Iain Tyrrell’s magic rubber tube.
cant wait for the next project
Thanks very much for this, really helpful, please do more.
Yep enjoyed that👍🏻, I'd still be looking for the dropped screw in my garage 😉🤣
excellente video comme toujours. En France la vfr 400 rr était homologuée avec les phares et les clignotants énormes de la cbr 900 rr de 1992 votre moto est un modèle japonais avec le compteur limité à 180 km/h.
Your assortment of tools is impressive! A proper dream garage 😍
Super useful. Just wish you were my mechanic! lol
Time for a nice ride...
Cheers
Really would love to see you do a instructional video on your electroplating process. would be nice if you included what materials are needed to do it and places you potentially can purchase them.
Another class video keep them coming!
Worthy of a like and comment any day!
This was great to learn and watch.
Thanks mate!
No problem at all :)
A detailed one on plating would be great
3:06 Love the custom RRC patch on your jeans pocket! 😁👍
Haha thats awesome , Now i kinda want to do that for real lol
Awesome stuff! Learned something new today!
lol some bedtime stories from RRC "Now little one, what exactly IS carb balancing? Well...once upon a time..."
great job as always lad keep up the great work next video please
Definitely would like more instructional videos please.
Very cool videos. Moreover, the Ducati 748 is one of my favorite motorcycles, the second is the Yamaha YZF600 Thunder Cat. And if possible, make a restoration video about it. Thank you very much and GOOD LUCK
Man your one of my favorites. You should find my all time favorite bike I ever owned and restore one. 99 speed triple 995
Yes please to more instructional videos!
Thank you :)
Awesome work as always 👏 👍 👌
Given that you left the door open, I'd love to see an indept video of electroplating.
I am starting on it as well, but would love to know your tricks and tips! 😅
great job as usual…you’re a Maestro