Motorcycle Carburetor Repair, Rejet, and Adjustment: Yamaha Virago 1100
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- Опубліковано 5 жов 2018
- Replacing the needle valve set. Adjusting float height, rejetting, and pilot screw adjustment on 1997 Yamaha Virago XV1100 Mikuni motorcycle carburetors. Same as models 1988-1999
Update: After reinstalling the carburetors you should synchronize them. It is also important to check the boot connections from the carburetors to the intake and to the heads. This can be done by spraying carb cleaner on the boots as the engine is running. If the idle changes, you have a leak. These air leaks can cause a lean burning condition and could cause backfiring or popping on deceleration. Mine were leaking and I ordered new boots and o-rings. The bike now runs great and has noticeably more power and responsiveness.
𝗔𝗺𝗮𝘇𝗼𝗻 𝗔𝗳𝗳𝗶𝗹𝗶𝗮𝘁𝗲 𝗟𝗶𝗻𝗸𝘀
Carb Kit: 18-5185: geni.us/4W2k
Carb Kit: 18-2596: geni.us/PK4e
Carb Cleaner: geni.us/uKK74u
1988-1999 YAMAHA XV1100 Cobra Jet Kit: geni.us/hhCxh
Intake Manifold Boots: geni.us/b4pqMj5
Carb Synchronizer: geni.us/kjv809
Chrome Polish: geni.us/p6PoVJI
1986-1999 Virago XV1100: Cobra Exhaust: geni.us/lrUT
Muffler Gasket 3EG-14714-00-00: geni.us/i23CWH
𝗦𝘂𝗽𝗽𝗼𝗿𝘁
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P.S. Could backfiring be from being too rich from the pilot screw? But I'm only 2 turns out, that shouldn't be the problem. I might have a leak.
This should be called Carburettor School, thank you for very helpful information.
Yes, thank you my new Virago friend
Friend..can you tell why when you start the ignition, the tube that is above the carburetor pours gasoline?
No Virago videos after the carbs? Seems to happen a lot and then getting parked or parted. Wondered about that float level.
Have you planned to make a movie using Gunson to tune the carbs? I have one and wanted to, but you have the right equipment. Have a nice time, wherever you are. Stay healthy and happy.
What is the plastic piece called that the diaphragm assembly slides into???
I have a Virago 535 that runs perfect until it gets hot, then it bogs. I noticed the rear cylinder was cold when the bike has warmed up. Could it be those o rings?
Hello, I have to ask you a serious question. I had just pulled my carbs, it runs okay, I have them synched and then tuned- one by one. Now I have to backfirimg on the rear cylinder and have no idea what could be wrong. You did the pilot/ fuel /air mixture screw 1.5 turns out. How did your bike run? I've changed the setting so often that I' m not in the mood to waste much more time. I had wrong plugs in it, got new ones now but it didn't get better. Is 1.5 turns a good setting, or did you change it when running?
Just got an 1100 barn find 94 with under 10,000k running super rich on the front cylinder....thanks mate.
Thankyou, outstanding, accidently put 2-stroke into my late '97 XV1100 and result was backfiring, flames and would not start. Bike was fully serviced in 2018 (carburettors new kits) by Yamaha dealer (yes, they got it running, but replaced the front tyre and fitted it wrong way round!) but I was living back in Israel, got back pre-covid insanity and stuck here in Australia, so getting this faithful friend back in order. Has only genuine 18,000Klms and has torque to burn. And such a comfortable bike. Sold my Honda 1000 sports bike (Fireblade) as I was destined for an early exit on that thing!! Great video, and so much other great stuff on your Pros DIY Site!! Thanks so much!!
Thank you for your effort, very helpful, I have added this to my interested videos for when I do my carb rebuild. May the freedom of the road be with you and remain.
I've got a 750 cc model from 1995. This was helpful, thanks. 👍🏻
Thanks for this video. Just ran into this trouble myself and also made a tool like your paperclip. However it was kinda wedged in there in my situation. My solution was to take a longer screw that I gently turned into the ring to get it out. Making sure not to damage or scrape the internals. That made it pop loose. Carbs both revised on my 84 xv700.
Should check the emulsion tube orings to, my bike sat for years and they were shot
I have virago 750 tks for this video you give a great possibility to put on 100% my carbs. 🙏🏻🙏🏻🙏🏻
Very informative! Well laid out. I will be tackling my carbs soon
Thanks so much for posting, this is what the internet is for.
𝗔𝗺𝗮𝘇𝗼𝗻 𝗔𝗳𝗳𝗶𝗹𝗶𝗮𝘁𝗲 𝗟𝗶𝗻𝗸𝘀
Great video! This looks complicated, don't think I'll tackle this job.