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single carb
Moderators: sunnbobb, Neil, Forum Moderators
- phillip0123
- Titanium Member

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- Location: De Queen, ARKANSAS
single carb
Thinking about going to a single or a dual carb system to maybe cut down on frustration. I see that a lot of single carb manifolds are heated, how important or necessary is that living south of I-40?
Phil
79 GL1000
93 GSX1100
09 nomad 1700
79 GL1000
93 GSX1100
09 nomad 1700
- joedrum
- Gold Member

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- Location: Orlando Fla.
Re: single carb
not much at all probably....there are many who have great setups that are not heated
1979 1000
- phillip0123
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Re: single carb
Thanks for the reply, another question I forgot to mention earlier is which carb would be better suited for this application. One guy posted recently about useing the Weber 32/36 and cycle innovations I believe used a holly single barrel. Don't know if the weber was chosen through test or because it was available and cheap.
It is clear I have no idea what I'm doing and certainly no mechanic so any insight would be helpful.
It is clear I have no idea what I'm doing and certainly no mechanic so any insight would be helpful.
Phil
79 GL1000
93 GSX1100
09 nomad 1700
79 GL1000
93 GSX1100
09 nomad 1700
- joedrum
- Gold Member

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Re: single carb
most go for the weber ...im thinling the best is the 28 36 ....32 36 is popular to ...most single barrel carbs are realy to small and lite on the topend ....the webers are progressive linkage and work well down low and on top end 
1979 1000
- phillip0123
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murrayf
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Re: single carb
i have the weber 32/36 dgv on 2 of my wings both on heated manifolds u made up
cold startup is awesome mileage is better than stock they idle smooth at 1009-1100 with no chain rattle
however throttle response takes some getting used to they
cruise great but have a huge flat spot between cruise and wide open till the second barrel kicks in
i have picked up the carbs at flea markets for 15-20 dollars
and rebuild kits are only 15 bucks including accel pump and float needle and seat
the mods i need to do to the varb are easy and jets are plentiful and cheap to get
i have one on my daily rider and it works very well and is easy to set and adjust
cold startup is awesome mileage is better than stock they idle smooth at 1009-1100 with no chain rattle
however throttle response takes some getting used to they
cruise great but have a huge flat spot between cruise and wide open till the second barrel kicks in
i have picked up the carbs at flea markets for 15-20 dollars
and rebuild kits are only 15 bucks including accel pump and float needle and seat
the mods i need to do to the varb are easy and jets are plentiful and cheap to get
i have one on my daily rider and it works very well and is easy to set and adjust
Our Current Bikes at home
CX650 Deluxe turned out awesome a treat to ride
1983 GL650 naked
1983 GL650 full dress
2 1978 CX500 WHAT????? i like them
1981 gl500 Rachels build
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1980 cb750 DOHC dual mikunis vance and hines exhaust
1971 cb750 SOHC dual mikunis
1966 cb350 dual mikunis baby 28s
1975 GL1000 owned since new
1977 Gl1000 dual 38 Mikuni carbs New Daily Rider
1976 GL1000 ltd
1983 GL1100 full Tupperware Dual 38 mikunis
1978 CX650 Deluxe my toy Dual mikuni 36mm
CX650 Deluxe turned out awesome a treat to ride
1983 GL650 naked
1983 GL650 full dress
2 1978 CX500 WHAT????? i like them
1981 gl500 Rachels build
1978 cx500 BIG 650 motor dual 38mm mikunis
1980 cb750 DOHC dual mikunis vance and hines exhaust
1971 cb750 SOHC dual mikunis
1966 cb350 dual mikunis baby 28s
1975 GL1000 owned since new
1977 Gl1000 dual 38 Mikuni carbs New Daily Rider
1976 GL1000 ltd
1983 GL1100 full Tupperware Dual 38 mikunis
1978 CX650 Deluxe my toy Dual mikuni 36mm
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hellhound1
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Re: single carb
I'm going to be doing this also, I'm not a fan of the 4 Keihins. I understand that you get probably the best performance out of them, but the headache associated with them is counterproductive to me.
How's that "flat spot?" almost like no throttle then a surge of power?
How's that "flat spot?" almost like no throttle then a surge of power?
- joedrum
- Gold Member

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Re: single carb
the 28 36 weber progressive linkaged com in faster on this carb making the transition sooner and smoother and less flat spot
1979 1000
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pmccabe507
- Lead Member

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Re: single carb
I run Solex Carb / Carburetor 34 PICT 34PICT-3 - VW
from a 1500 cc VW and it is very dependable
Patrick McCabe
73 CL100
74 CB125
79 CM400
79 GL1000
80 CB750C
82 CB750F
97 GL1500SE
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07 XVS1300
73 CL100
74 CB125
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- Hegel
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- Location: kennewick washington
Re: single carb
I wonder if two solex 40mm kadron's could be used
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2008 Triumph Rocket 3 Standard.
1977 gl1000 cafe project for my brother
1993 xr250l 280 kit
1968 Husqvarna 250t Commando (Needs a lot of work. been sitting outside since 1971)
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Missourimike
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Re: single carb
I'm running a 34/32(Italian)Weber on my '75. Been doing fine for several years, non-heated. It will idle at 1K easily. As for Holley carbs, I think they are good for sucking lots of gas, but that's about it. One can go overboard on carb size and it won't make the motor run any better.
The difficult can be done in a day. The impossible takes a little longer, if you don't know it can't be done.
'75 GL YelloWing, '73 Norton Commando, '79 CB750, '80 Fiat Spyder, '83 Silverado w/ BB Cad, to name a few.
'79 Black Hondaline/Vetter bagger Tourer
'76 Yello Café to be
'83 CX650C Needs Work
'83 CX650C #2 Daily Rider
'79 Yamaha XS750
10 others in the project/parts pile
'75 GL YelloWing, '73 Norton Commando, '79 CB750, '80 Fiat Spyder, '83 Silverado w/ BB Cad, to name a few.
'79 Black Hondaline/Vetter bagger Tourer
'76 Yello Café to be
'83 CX650C Needs Work
'83 CX650C #2 Daily Rider
'79 Yamaha XS750
10 others in the project/parts pile
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eldanes
- Rusty Probie

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- Location: caracas venezuela
Re: single carb
im running sigle barril weber it runs all rigt but the performace is bad . To mi it dont mean too much The Venezuelan roads is not made for fast runners. I made mi 90 to 100 mph several times but i am a 70 mph guy. I used long time to fix the timing to the best point. If you se the timing wheel mine are now igniting about a half of an inch before the point. The old lady dont run hot even wee are 2 with lugages wee live in the tropics mi bike is a 79
- phillip0123
- Titanium Member

- Posts: 337
- Joined: Tue May 06, 2008 1:12 pm
- Location: De Queen, ARKANSAS
Re: single carb
Well I did go with a single Weber 32/36.
HOTT-- builder of the bike of the year and OLE SPARKY 83 fame made a manifold, looks just like the one in his shade tree thread, might be the same one dunno.
Had some difficulty with the idle after a short run at first but that was resolved with float adjustment, for some reason the float level was 3mm out of spec from the factory.
Now the great part is that it is a whole new world performance wise, had no idea this thing was cappable of this level of peformance as in actual acceleration. Point is I could not be happier.

HOTT-- builder of the bike of the year and OLE SPARKY 83 fame made a manifold, looks just like the one in his shade tree thread, might be the same one dunno.
Had some difficulty with the idle after a short run at first but that was resolved with float adjustment, for some reason the float level was 3mm out of spec from the factory.
Now the great part is that it is a whole new world performance wise, had no idea this thing was cappable of this level of peformance as in actual acceleration. Point is I could not be happier.
Phil
79 GL1000
93 GSX1100
09 nomad 1700
79 GL1000
93 GSX1100
09 nomad 1700
- sunnbobb
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Re: single carb
Moved the thread to "unique carb" category..
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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.
---- 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.
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badorderbob
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