82 Gl1100 Cafe Racer, Dual Weber idf 40's.
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- Boxer4
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
I had tried to post above, a video of the bike running but apparently I dont know how to post a video. So you will just have to trust me that it runs and sounds awesome. Lol. I've decided to run 4 inch stacks instead of an air cleaner. I followed the tips gregforesi gave in this thread about running the stacks. I beveled the carb area where it meets the stack to get rid of about an 1/8 step. I want to have filtration but not something that is visible looking at the stacks. A problem with putting a filter in the stack is that it somewhat defeats the purpose by introducing tubulant air instead of having a laminar air flow. My work around is going to be to use 1/8 inch cell metal honeycomb that is about 1/2 an inch thick to straighten the air as it enters the carb. It serves a second purpose which is to support the foam filter media that will sit on top of the honeycomb. These air straighteners are used on the intake of some vehicles to straighten the air before the maf sensor. I haven't seen it done before in my application but I think it will work correctly.
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82 Gl 1100 Café Racer
01 Harley Road King
82 Gl 1100 Café Racer
01 Harley Road King
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Good pics, thanks
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---- Bradshaw Bikes custom polishing for your wing. Visit us on facebook!
1978 Learning Experience
1980 County Road Hauler "Brain Damage"
1978 Cafe Custom Gl1000 "Vyper"
1977 Bulldog Inspired "Vaincre"
1981 Street Fighter GL1100 "No Quarter"
1983 Supercharged Street Drag "Anubis" (in worx)
1983 gl1100 mint restoration "Kristen"
1985 Aspencade..pondering.
- codyjames707
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
I love the honeycomb filtration your have! Cant wait to see more photos of this build!
- Boxer4
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
This is where I'm at today with my dual Weber conversion. Finally got the carbs dialed in and it runs awesome. Painted it over the winter as well.
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82 Gl 1100 Café Racer
01 Harley Road King
82 Gl 1100 Café Racer
01 Harley Road King
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Fixed it for you.
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If I'd wanted you to understand, I would have explained it better! (Johann Cruyff)
I’d give my right arm to be ambidextrous!

- Boxer4
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Thanks! Stupid phone.Old Fogey wrote:Fixed it for you.
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All things motorcycle.
82 Gl 1100 Café Racer
01 Harley Road King
82 Gl 1100 Café Racer
01 Harley Road King
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Yummy! Enjoy the ride!
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'Quikie' '81 gl1100I back on the lift, project with the step-son!
In The Shed:
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'77 gl1000, roller parts bike.
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'82 gl1100I, My first 'Wing, and an expensive lesson!
New2U Bike? Read Me.
"He that is good with a hammer tends to think everything is a nail" - Abraham Maslow
"If you can't take the time to do it right the first time, how are you ever going to find the time to do it over?" -Unknown
Current Rides:
'Grumpy' - '81 Standard, now fully dressed.
'Layla' - '81 Standard w/dealer installed fairing and Hondaline bags.
'Scarlett' '76 'Survivor' nekkid as a j-bird!
Under Construction:
The 'Jalopy' '78-'79 Mash-up
'Quikie' '81 gl1100I back on the lift, project with the step-son!
In The Shed:
'81 gl1100I barn find aka "Josie, the farmer's daughter." (almost comatose build)
'77 gl1000, roller parts bike.
'82 gl1100I, 'Old Crusty' titled roller parts bike (free!)
'82 gl1100I, My first 'Wing, and an expensive lesson!
New2U Bike? Read Me.
- Sugs
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Love the paint job.
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- Buli
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
I just love how these dual webers look ( Bike too) I dont find any data if some one has ever "dyno" tested his motorbike with these weber's. If any of you have it, i like to see some data if possible.
Kinde
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Randakk dyno’d his with them. Go down the linked page a bit. Randakk manifoldsBuli wrote:I just love how these dual webers look ( Bike too) I dont find any data if some one has ever "dyno" tested his motorbike with these weber's. If any of you have it, i like to see some data if possible.
As to Boxer4’s bike, looks awesome!
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
looks awesome!
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
wingrider wrote:Randakk dyno’d his with them. Go down the linked page a bit. Randakk manifoldsBuli wrote:I just love how these dual webers look ( Bike too) I dont find any data if some one has ever "dyno" tested his motorbike with these weber's. If any of you have it, i like to see some data if possible.
As to Boxer4’s bike, looks awesome!
Wery good Thanks

Kinde
- codyjames707
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Where did you get that seat? I really dig its sleek look!
- Boxer4
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
It is off a Ducati Monster. I did a write up on it here. viewtopic.php?f=1&t=66378codyjames707 wrote:Where did you get that seat? I really dig its sleek look!
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82 Gl 1100 Café Racer
01 Harley Road King
82 Gl 1100 Café Racer
01 Harley Road King
- CrazyJerry
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Re: 82 Gl1100 Cafe Racer, Dual Weber idf 40's.
Nice job! Like the honeycomb fabrication!!!
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