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BMW Airhead Carb Sync BING 1970-1995 models!! EASY

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The BMW Guy

The BMW Guy

2 жыл бұрын

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Carb Numbering system
1/2 turn
64/28/201, 64/28/202, 64/28/301, 64/28/302, 64/28/303, 64/28/304, 64/32/203, 64/32/204, 64/32/307, 64/32/308, 64/32/347, 64/32/348, 64/32/201 (US), 64/32/202 (US), 64/32/223, 64/32/224, 94/40/107, 94/40/108
3/4 turn
64/32/305 (UK), 64/32/306 (UK), 64/32/321, 64/32/322, 64/32/325, 64/32/326, 64/32/335, 64/32/336, 64/32/349, 64/32/350, 64/32/351, 64/32/352, 64/32/353, 64/32/354, 64/32/357, 64/32/358
1/2 - 1 turn
64/32/9, 64/32/10, 64/32/11, 64/32/12, 64/32/13, 64/32/14, 64/32/201 (UK), 64/32/202 (UK)
1 turn
64/32/19, 64/32/20, 94/40/109, 94/40/110, 94/40/113, 94/40/114
1 - 1 1/4 turn
94/40/103, 94/40/104, 94/40/105, 94/40/106, 94/40/111, 94/40/112
Early model carb settings
www.benchmarkwo...

Пікірлер: 79
@davidwhitacre534
@davidwhitacre534 4 ай бұрын
The fuel filters are installed backwards. You want the fuel to flow into the end where crap collects in the void outside the filter media and be visible. The way these filters are installed the crap will collect behind the filter media and plug it up.
@mwtraining4310
@mwtraining4310 5 ай бұрын
Really good and informative video. You should mention that this is the last stage of getting your bike run perfect. There is a lot of stages before this if your bike arent running well, such as; Setting valve clearance and check your ignition timing.
@kanuklastman3436
@kanuklastman3436 2 жыл бұрын
Thanks very much. My 87 R80 is running smoothly now after rebuilding the carbs! This video is much easier to follow than others.
@altuspienaar7679
@altuspienaar7679 5 ай бұрын
Your "air screw" is in fact a fuel mixture screw. There is a huge difference and knowing which is which is important to help one access how adjusting it will influence the setting. The CV or diaphragm carbs use a fuel mixture screw and the older slide carbs use a air mixture screw to help adjust for smooth idle and off idle running of the motor. This setting will have the most effect at idle but they can also influence smooth running at higher rpm.
@jumpinjee
@jumpinjee 5 ай бұрын
If you watched the video you would know that he did call it an air screw but right after that he explained that closing the screw leans the mixture and opening enriches the mixture. It could not possibly be explained more clearly or correctly.
@89RASMUS
@89RASMUS Жыл бұрын
This vid was a god send. I\m in the final stages of a complete teardown and renovation of my -89 R100 and been worrying about the carb settings ever since I refurbished those as well. Cheers.
@briemosborne7017
@briemosborne7017 11 ай бұрын
I have been a Harley-Davidson rider most of my life, but now I am starting to appreciate this old bikes, which are more affordable than an old Harley. Maybe i will get Lucky and find me a good 1975-1981 Airhead. I ride a 2016 Fatboy S for Sunday ride, but I think I could do daily riding on this Iconic classics, thanks for your expertise.
@golgothadiver
@golgothadiver 23 күн бұрын
Excellent video - it really explains this procedure well - thank you!
@raygungarage
@raygungarage 2 жыл бұрын
Great video and explanation of how to tune the Bing carbs
@KSJ1986
@KSJ1986 4 ай бұрын
Best carb sync on YT. Thx so much!
@chiefeng6951
@chiefeng6951 Жыл бұрын
Well done, good timing to explain and giving the key to improve our BMW Carbs, many thanks from Argentina, Buenos Aires !
@TheBMWGuy
@TheBMWGuy Жыл бұрын
Glad it was helpful!
@livingcheap1625
@livingcheap1625 Жыл бұрын
I have been searching the internet looking for GOOD explanations with clear and informative photography to go with it.....finally found this on your channel...thank you. I have been trying to get my 1972 R 75/5 carbs adjusted for a week and most of the sites are more confusing than helpful. I immediately subscribed to your channel. One question: Do you ever need to adjust the idle mixture screw in and/or out a bit from recommended setting until the carb picks up it's highest RPM's. This is shown on a lot of the sites I looked at, but not sure if it is needed, or if the Carbmate takes care of that?
@lex1945
@lex1945 2 жыл бұрын
Always nice to see a new video from you!
@TheBMWGuy
@TheBMWGuy 2 жыл бұрын
thanks for watching, I'm trying to do a new video every week.
@stevenemartin
@stevenemartin 6 ай бұрын
Thanks for the video! Btw, I think you have your fuel filters on backwards 😊
@59jaguar
@59jaguar Жыл бұрын
Good job explaining this. Can you do one on checking compression? I’ve heard that motor needs to be hot not cold when checking compression?
@mgirano5822
@mgirano5822 Жыл бұрын
Bonjour de France et merci pour ces informations, travail de qualité.
@susanquitzau2433
@susanquitzau2433 10 ай бұрын
Great video with important details for fine tuning! Thanks very much! Can you please touch on the cold start/choke/& warm up tips & tricks that must occur before you got your almost spot on idle at the beginning of this video? My '84 R65LS (RED) is a cold start darling whose carbs air/fuel mixture base is .5 turn out. Question: What must I adjust if RED cranks but won't start with enrichener/choke on; valves are in adjustment; carbs are clean & clear; cables in order; and needles & jets are true?? TIA SusanQ
@DispatchMoto
@DispatchMoto 2 жыл бұрын
Thanks, learned something new.
@sare1052
@sare1052 3 ай бұрын
Hi, great video by the way thank you very much. I wanna ask if you can show us how to remove the vibrations especially at the lower RPMs. I tested out several airheads this weekend and rejected buying them because the vibrations were so bad. Is there a normal amount of vibration that we should consider? I really would like to know that I’m not passing up a good bike just because it’s not tuned correctly. Thanks Jim in New Hampshire.
@danilodegoma8495
@danilodegoma8495 5 ай бұрын
Do you have a video to do earlier airheads? Looking for instructions on throttle gear adjustment and carb syncing an r69s.
@overlandbudgetbuilds7398
@overlandbudgetbuilds7398 Жыл бұрын
This is the best tutorial out there. Thanks!
@TheBMWGuy
@TheBMWGuy Жыл бұрын
Glad it was helpful!
@davidlutz4423
@davidlutz4423 2 ай бұрын
Excellent informative video, thank you.
@cayote1
@cayote1 11 ай бұрын
Can't seem to find the Serial number key for the base settings. Can you please advise? If I need to subscribe what level will offer me these services? Thanks! Maybe I'll try the Clymer shop book that came with the bike.
@TheBMWGuy
@TheBMWGuy 11 ай бұрын
sign up for the platinum level and ill help you out with any problems you may have
@cdong007
@cdong007 11 ай бұрын
Very helpful, easy to follow. Nice Job!
@TheBMWGuy
@TheBMWGuy 11 ай бұрын
Glad it helped!
@DieterHoremans777
@DieterHoremans777 8 ай бұрын
Thanks! my r100/7 has never run better, in higher rpm it would pull more to one side i think, hope there is no real damage because of it
@lpalokan
@lpalokan Жыл бұрын
I see that some videos refer to the idle/mixture screw as the one right below the throat of the carburetor (surrounded by the tube molded in the carburetor body). In my 64/32/13 & /14 there is only that screw underneath the carburetor. There's the other one on the top, on the inside, next to where the cable attaches. Which one should I be using to adjust idle balance?
@robertmedrano9790
@robertmedrano9790 Жыл бұрын
I have a 1970 r75/5, bings 13-14, timed, new points/ condenser, spark plugs NGK, lubed and 546 new advance springs, valves adjusted 6-8, carbs cleaned, new oil, trying as much as I can, starts right away but starts to coughing a lot until it dies … don’t know what to do next… help please…🙏
@TheBMWGuy
@TheBMWGuy Жыл бұрын
This is a service I offer to my paid subscribers, with the volume of messages like this is receive I need to sort thru them, and this is my way of doing so. Please consider joining my channel as a platinum number on KZfaq or on patreon as a gold member KZfaq join- Look for the “join” button next to the subscribe Patreon Join Link- www.patreon.com/TheBMWGuy126
@paulhoughtonhhoughton9188
@paulhoughtonhhoughton9188 7 ай бұрын
Hi, I've looked into obtaining a carbtune but are several different ones available at different prices, can you tell us, has the unit which you are using a model number or code? thanks.
@osomlongboards7988
@osomlongboards7988 8 ай бұрын
I have a 1972 R60/5 with 1/26/111 bing carburators. What it would be the proper settings? Please help. Thanks
@onestoonesto5595
@onestoonesto5595 Жыл бұрын
Thanks for the video, makes perfect sense. I have a heap of slack in my throttle cable to carb joint, like 4cm . Your's is barely a few millimeters. What is the issue? thanks
@ericodinski7233
@ericodinski7233 Жыл бұрын
Great video two points: I agree with one comment about adjusting a well tuned bike makes it look easy. 2nd I have a ‘83 R80. With a differential water gauge the bike idles great when I open the throttle the fluid almost immediately gets sucked into the left cylinder Not enough time to even check throttle cable adjustment.Am I missing something? Thanks
@smith4010
@smith4010 5 ай бұрын
Really useful. Thank you
@edwinthompson159
@edwinthompson159 Жыл бұрын
exceleent video. cncise and straight forward.
@TheBMWGuy
@TheBMWGuy Жыл бұрын
no BS or small talk.
@sidneybolt1099
@sidneybolt1099 Жыл бұрын
Hi can this carb mate be used on earlier models if the vacuum ports are added?
@user-um8sm2tr4r
@user-um8sm2tr4r Жыл бұрын
Nice Video! Do you have the base set for 64/26/317-318? After seeing this, I feel confident trying myself. It was at 3/4 turn but plugs were black. Now I tried half a turn. Hoping for better results
@daoirsemcdaid4797
@daoirsemcdaid4797 Жыл бұрын
Thanks man, great vid ✌️
@johnimmins7302
@johnimmins7302 Жыл бұрын
Excellent descriptive video.
@TheBMWGuy
@TheBMWGuy Жыл бұрын
Glad it was helpful! please consider joining my channel :)
@markk5944
@markk5944 Жыл бұрын
At idle, my bike's (1983 R65) GEN light comes on but not flickering. What does it mean and how do I adjust it to correct setting? I think you said it should be flickering.
@TheBMWGuy
@TheBMWGuy Жыл бұрын
raise your idle until its just flickering
@westchesterrealty
@westchesterrealty Жыл бұрын
Thought I joined the channel ($4.95/mo) today, but I don't know where to put a question so I'm putting it here. I just rebuilt the left side carb of my 1978 R80/7 using your video. Went great. Got it stripped down, cleaned up and reassembled with no extra parts. Put it back on the bike, followed your sync video (using a Carbtune II) and again, I think I did it correctly, but when I did the temperature test on the two cylinders after a 1/2 hour ride, the left cylinder read approx. 270 degrees F, but the right one was at 360 degrees F. Any help you can offer would be great.
@TheBMWGuy
@TheBMWGuy Жыл бұрын
Sorry you can send me an email at thebmwguy126@gmail.com. You can adjust your mixture screws on the carb to dial in the temps. Making it leaner will increase the temps and richer will decrease.
@davidpacey1377
@davidpacey1377 2 жыл бұрын
nice explanation, but tuning a well tuned engine isn't as helpful as you think it is. taking an out-of-tune engine and brining it in is perhaps more useful to novices.
@jeffshootsstuff
@jeffshootsstuff Жыл бұрын
Very helpful. Thanks
@TheBMWGuy
@TheBMWGuy Жыл бұрын
Glad it was helpful!
@pw1979
@pw1979 11 ай бұрын
Very interesting Thank you
@TheBMWGuy
@TheBMWGuy 11 ай бұрын
Glad you enjoyed it
@jakeamadon3141
@jakeamadon3141 2 жыл бұрын
Great video - quick question for you. I live at 6000' and ride up another couple thousand feet in elevation locally. I have K&N air filters on my 81 R100RS. I had a local shop sync the carbs this past spring and was told the K&N air filters make this bike hard to start - it is hard to start cold. Once it starts and warms up the bike is idling around 3400 rpm... Which seems high. I think the mech who did the sync set the idle screw so the bike would start cold but that leave me with a high idle once warm.... Any suggestions? Thanks
@mojoriden
@mojoriden 2 жыл бұрын
Typical procedure is to drive the bike for 15 minutes prior to setting the idle speed.
@alexandroramos1504
@alexandroramos1504 Жыл бұрын
Do you have a link for the sync tool?? Thank you!
@norberthaase1697
@norberthaase1697 Ай бұрын
Ich brauche nur gute Böhm-Uhren.
@jesperbrenner
@jesperbrenner 2 жыл бұрын
Thanks for a great video! I have the exakt same carb on my 75/5 but I do not have the screws where you plugged the vacuum hoses. How to sync then?
@TheBMWGuy
@TheBMWGuy 2 жыл бұрын
look underneath the carb, they are there
@samtrekker3770
@samtrekker3770 2 жыл бұрын
Same here on my 64/32/4 and 64/32/3 carbs. I also can’t find the screws to connect hoses... They are on an early 75/5. Very helpfull video though, thanks.
@JRose670
@JRose670 Жыл бұрын
Some older /5’s didn’t come with them. You can order them in a kit, and drill them in. It’s not hard.
@jesperbrenner
@jesperbrenner Жыл бұрын
@@JRose670 thank you!
@PavlosP
@PavlosP Жыл бұрын
How can we tell what size carbs our bike has?
@TheBMWGuy
@TheBMWGuy Жыл бұрын
look at the numbers on the side, look for a XX-32-XXX or 40
@paxmaac1
@paxmaac1 2 жыл бұрын
is it possible to sync carbs without a tool? Like by sound or feel?
@TheBMWGuy
@TheBMWGuy 2 жыл бұрын
you can remove each spark plug cap 1 at a time so it runs on just 1 cylinder and set the idle to ~500-600rpm per cylinder. this is not as accurate and takes a trained ear. also measure head pipe temps at idle and off idle
@jkoepis
@jkoepis Жыл бұрын
@@TheBMWGuy won’t pulling the plugs risk damaging coils and other electronics? I’ve been using the spark grounding method described well in youtube and airhead sites and it works very well
@alanhoughton3252
@alanhoughton3252 Ай бұрын
Jkoepis, use a spare plug to ground the uncapped cylinder.
@gianlucatamburi4742
@gianlucatamburi4742 10 ай бұрын
where can i find a fuel filter like yours?
@TheBMWGuy
@TheBMWGuy 9 ай бұрын
BMWPARTSGUY.COM
@altuspienaar7679
@altuspienaar7679 5 ай бұрын
As someone that has done this a million times to many bikes in the past, it is painful watching a novice explaining this making all the usual mistakes😂 But kudos for making this video. It does cover much ground which will be useful to many👍
@jumpinjee
@jumpinjee 5 ай бұрын
As someone who has done this 2 million times I have to disagree. Aside from calling the idle mixture screw an air screw what usual mistakes are you talking about?
@johnhollinshead1040
@johnhollinshead1040 2 жыл бұрын
Thanks for a great video...i have a 1992 r100r classic ...my carbs say 94/40/124A....cant find it on your charts.....cheers john
@TheBMWGuy
@TheBMWGuy 2 жыл бұрын
1.5 turns
@cspark9186
@cspark9186 Жыл бұрын
Very interesting. I noticed on this video at minute 2:04 there are 2 large springs. In the video, kzfaq.info/get/bejne/f7CfZqpmu9nag5c.html at minute 19:35 there are no large springs. Why are these Bing carburetors different? Did I miss something in the rebuild video? Thanks, from Richmond Virginia.
@TheBMWGuy
@TheBMWGuy Жыл бұрын
some have the big springs others don't, depends on what model Bing carb you have
@rogernam2092
@rogernam2092 Жыл бұрын
Really not helpful…!
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