Steve Saunders Goldwing Forums banner
Status
Not open for further replies.
1 - 16 of 16 Posts

·
Premium Member
Joined
·
22 Posts
Discussion Starter · #1 ·
While I love the look of the Weber downdraft on each cylinder bank, they are expensive. Has anyone thought about a Mikuni CV on each cyclinder bank? I know its not a single carb solution but they are cheap and plentiful. Would have to make a 90 degree intake for it to work but seems reasonable. Linkage would be a pain but ive had to figure out worst hacks.
 

·
Premium Member
Joined
·
2,048 Posts
imported post

why not just a single carb 1500's only have 2 so i don't see the big deal simple is better. :action:the pipe style intake is simple and look good and the vw carbs are simple and pretty much bullet proof unless you just like a challenge.:shock:
 

·
Premium Member
Joined
·
22 Posts
Discussion Starter · #3 ·
imported post

Well a CV carb is a lot less tempermental and forgiving than a simple slide type carb, if you are talking about that type of carb. I would also consider a single Keihin CV off a sportster. I have bought them off ebay for 50 bucks and there is a huge network (at least for now) for rejet kits and parts. Would still have long runner issues if running just one but simple one carb solution.
 

·
Premium Member
Joined
·
2,048 Posts
imported post

voltswagen carb no slides one barrel. very low maintenance. probably 6 in runners 2 on each side. very simple set up.
 

·
Premium Member
Joined
·
12,868 Posts
imported post

jbird526 wrote:
While I love the look of the Weber downdraft on each cylinder bank, they are expensive. Has anyone thought about a Mikuni CV on each cyclinder bank? I know its not a single carb solution but they are cheap and plentiful. Would have to make a 90 degree intake for it to work but seems reasonable. Linkage would be a pain but ive had to figure out worst hacks.
Why the bother when it comes from the factory with a KieK HinCV carbper cylinder ?
 

·
Banned
Joined
·
12,287 Posts
imported post

skoto1 wrote:
...unless you just like a challenge.:shock:
Bhinghough :D
 

·
Premium Member
Joined
·
22 Posts
Discussion Starter · #8 ·
imported post

OnaWingandaPrayer wrote:
jbird526 wrote:
While I love the look of the Weber downdraft on each cylinder bank, they are expensive. Has anyone thought about a Mikuni CV on each cyclinder bank? I know its not a single carb solution but they are cheap and plentiful. Would have to make a 90 degree intake for it to work but seems reasonable. Linkage would be a pain but ive had to figure out worst hacks.
Why the bother when it comes from the factory with a KieK HinCV carbper cylinder ?
Because one relatively new carb is better than syncing four old leak ones. :)
Really though I think a CV atop each cylinder head would look pretty cool and easy to access. Also if i were to opt for the poorboy alternator conversion there would be room to have alternator tucked in the frame instead of hanging off the side. Just a thought. I dont leave bikes in stock form for the most part even if it might make more work for me.
 

·
Banned
Joined
·
12,287 Posts
imported post

Which carburetors would you use specifically? Have any idea? :)
 

·
Premium Member
Joined
·
22 Posts
Discussion Starter · #10 ·
imported post

CaptainMidnight85 wrote:
Which carburetors would you use specifically? Have any idea? :)
Keihin CV's are stock on Sportsters and are damn easy to rejet. If I remember correctly they are 40mm. They are used on both the 883 and 1200. I have used one off a 1450 FatBoy and put it on a 1000cc IronHead. They can be rejetted to run a wide range of displacement. Again they can be had for $50 in good shape and if Harley has used hundreds of thousands of them to run their farm equipment they had to be bullet proof.
 

·
Premium Member
Joined
·
12,868 Posts
imported post

jbird ,sorry I misunderstood . I see now you mean one carb per side . I agree that might work nicely and for sure it opens possibilities for a "Poor Boy " type alternator system tucked in out of the way . I hope it goes well .
 

·
On a Wing & a KLR
Joined
·
287 Posts
imported post

jbird526 wrote:
CaptainMidnight85 wrote:
Which carburetors would you use specifically? Have any idea? :)
Keihin CV's are stock on Sportsters and are damn easy to rejet. If I remember correctly they are 40mm. They are used on both the 883 and 1200. I have used one off a 1450 FatBoy and put it on a 1000cc IronHead. They can be rejetted to run a wide range of displacement. Again they can be had for $50 in good shape and if Harley has used hundreds of thousands of them to run their farm equipment they had to be bullet proof.

The CVK 40 is also the stock carb on a Kawasaki KLR 650.
 

·
Banned
Joined
·
12,287 Posts
imported post

It's on the Vulcan too....
 

·
Banned
Joined
·
12,287 Posts
imported post

jbird (or anyone), if you come across CFM ratings for any of the CVs that you try, post them if you will, as they can be added to ongoing lists for us carburetor enthusiasts.
I can calculate a CFM figure for a given carburetor based on Bore and Venturi diameters, but the many manufacturers have varying methods for determining their ratings and many times my calculations won't match-up exactly, although I'm close.
I like to stick with manufacturer ratings. :)
It helps take out the guess-work :)?) associated with carburetor selection....
 

·
Premium Member
Joined
·
22 Posts
Discussion Starter · #15 ·
imported post

CaptainMidnight85 wrote:
jbird (or anyone), if you come across CFM ratings for any of the CVs that you try, post them if you will, as they can be added to ongoing lists for us carburetor enthusiasts.
I can calculate a CFM figure for a given carburetor based on Bore and Venturi diameters, but the many manufacturers have varying methods for determining their ratings and many times my calculations won't match-up exactly, although I'm close.
I like to stick with manufacturer ratings. :)
It helps take out the guess-work :)?) associated with carburetor selection....
I was trying to find the cfm ratings on those carbs last week but having a bit of trouble. Need to look into it again this week.
 

·
Premium Member
Joined
·
22 Posts
Discussion Starter · #16 ·
imported post

I found some info about the 40mm Keihin. I found one quote that it was @160cfm but that might not be correct. This is the info i found.

Venturi Diameter - 1.535
Venturi Area - 1.851
Carb Exit Diameter - 1.590
Carb Mouth Diameter - 2.336
 
1 - 16 of 16 Posts
Status
Not open for further replies.
Top