Carb Question
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Stage IV
Joined: Sep 2005
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Carb Question
My dad has an 84 Tour Glide. He says is the first year of the Evo, but I lots of other posts that say this bike had a Shovelhead in it, which is correct? This last spring the bike was running really rough, took it to the harley mechanic and they told him his carburetor was worn out and that it would need to be replaced. It was so worn out that it couldn't be rebuilt. Kind of makes sense since he just rolled 100K on the stock motor.
Now they are telling him that harley does not carry any stock carburetors for his model. Does anyone know what the best aftermarket one would be which would come already setup for his stock bike or where he could find a replacement stock one?
What kind of carburetor was the stock one anyways? I have a CV carb from my 89 sportster sitting in a box, could he use that one if it was the only option?
Sorry for all the questions.
Thanks for your time
Jeremy
Now they are telling him that harley does not carry any stock carburetors for his model. Does anyone know what the best aftermarket one would be which would come already setup for his stock bike or where he could find a replacement stock one?
What kind of carburetor was the stock one anyways? I have a CV carb from my 89 sportster sitting in a box, could he use that one if it was the only option?
Sorry for all the questions.
Thanks for your time
Jeremy
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From: Phoenix '53, '88, '09 Big Twins
welcome to the forums.
there is also an evo section, most of the guys here have late model experience.
the evo was introduced mid-year 1984- so 1984 1/2. Some shovels were even produced in 1985 ( contract bikes like for police).
most HD dealer guys have NO first hand knowledge of the evo era- you'll find a nice helpful indy guy will sell you gaskets and help you order parts from drag specialties and custom chrome to keep it going
the stock carb on that bike is the Keihin "butterfly" which was a crap carb - if restoring I have one in my garage I'll sell you.
the Keihin CV carb is awesome and was used from 1990 to 2006 on big twins.
the first versions for the Sporty (1988) had no accelerator pump- if your 1989 carb has the accel pump throw it right on.
If not, used CV carbs in great shape are about $50 at swap meets- more if buying rebuilt and dialed in but less than $100
to fit a CV carb you need to replace the throttle cables, and you need a rubber $8 "spigot" adapter often called a mikuni adapter.
The CV is awesome and specific tuning info is available at nightrider.com in the bike tech section
If you have xmas money you wanna blow on an aftermarket carb, S&S and Mikuni HSR carbs will fit and work fine- you'll still need to adapt the cables and spigot with the mikuni.
neither of these carbs self-adjust for altitude changes so if you ever ride into the mountains they may need adjusting or jetting ( the CV carb is self-adjusting)
you will also likely need to adapt to a 1990 to 1992 air cleaner set up to support the carb ( 1990 first year of the CV- 1992 last year of the "case breather"- 1993 + have the breather in the heads)
when I swapped the carb on my fxr to a CV I picked up 3 peak horsepower before i even had a chance to tune it. ( local dealer grand opening had free dyno runs- I took all my bikes down 1 at a time, and ran the fxr with both carbs)
Mike
there is also an evo section, most of the guys here have late model experience.
the evo was introduced mid-year 1984- so 1984 1/2. Some shovels were even produced in 1985 ( contract bikes like for police).
most HD dealer guys have NO first hand knowledge of the evo era- you'll find a nice helpful indy guy will sell you gaskets and help you order parts from drag specialties and custom chrome to keep it going
the stock carb on that bike is the Keihin "butterfly" which was a crap carb - if restoring I have one in my garage I'll sell you.
the Keihin CV carb is awesome and was used from 1990 to 2006 on big twins.
the first versions for the Sporty (1988) had no accelerator pump- if your 1989 carb has the accel pump throw it right on.
If not, used CV carbs in great shape are about $50 at swap meets- more if buying rebuilt and dialed in but less than $100
to fit a CV carb you need to replace the throttle cables, and you need a rubber $8 "spigot" adapter often called a mikuni adapter.
The CV is awesome and specific tuning info is available at nightrider.com in the bike tech section
If you have xmas money you wanna blow on an aftermarket carb, S&S and Mikuni HSR carbs will fit and work fine- you'll still need to adapt the cables and spigot with the mikuni.
neither of these carbs self-adjust for altitude changes so if you ever ride into the mountains they may need adjusting or jetting ( the CV carb is self-adjusting)
you will also likely need to adapt to a 1990 to 1992 air cleaner set up to support the carb ( 1990 first year of the CV- 1992 last year of the "case breather"- 1993 + have the breather in the heads)
when I swapped the carb on my fxr to a CV I picked up 3 peak horsepower before i even had a chance to tune it. ( local dealer grand opening had free dyno runs- I took all my bikes down 1 at a time, and ran the fxr with both carbs)
Mike
Last edited by mkguitar; Dec 26, 2012 at 01:50 PM.
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Stage IV
Joined: Sep 2005
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This might seem like a dumb question, but how would I know if my CV carb has the accelerator pump or not?
Any recommendations for aftermarket carb to suit his needs? Maybe S&S, Mikuni, Edelbrock, or Zenith.
Any recommendations for aftermarket carb to suit his needs? Maybe S&S, Mikuni, Edelbrock, or Zenith.
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Joined: Sep 2010
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From: Phoenix '53, '88, '09 Big Twins
edelbrock - NO ! that would be the old qwiksilver which was junk
zenith ? long time since I saw one of those...
the accel pump wil have a small round cast area adjacent to the float bowl, and a plunger rod going from the throttle cable linkage to the top of that cast area.
the Keihin CV was used on many bikes incl Kawa and Triumph- and in various versions so if going with one, look for the HD part number sticker, usually in blue. for some reason it has been said that a pre-1996 carb is betterer- i dunno.
Mike
zenith ? long time since I saw one of those...
the accel pump wil have a small round cast area adjacent to the float bowl, and a plunger rod going from the throttle cable linkage to the top of that cast area.
the Keihin CV was used on many bikes incl Kawa and Triumph- and in various versions so if going with one, look for the HD part number sticker, usually in blue. for some reason it has been said that a pre-1996 carb is betterer- i dunno.
Mike
Last edited by mkguitar; Dec 26, 2012 at 02:01 PM.
Outstanding HDF Member
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From: Daytona, Fla.
If it's still in the box the paperwork should tell you. If not, you'll have to do a little research. S&S, Mikuni, Edelbrock all make carbs that will fit, but for equally good performance with less effort & cost Mike has given you the answer. Pick up a CV carb. You'll be much happier, & some wealthier.
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Stage IV
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I think I have that on my Sporty carb, plus i have the original intake too. Cables i'm not to sure about. I assume the jetting would have to be re-done for the 1340 vice the 1200. Could be a cheap fix to get him back up and running.
Thanks
Thanks
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Joined: Sep 2010
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From: Phoenix '53, '88, '09 Big Twins
tuning: start with .45 slow jet, 175 high speed jet and the sportster needle that is already in there.
you will be very, very close.
like I said tuning info at nightrider.com
mike
you will be very, very close.
like I said tuning info at nightrider.com
mike
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Stage IV
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I am original owner of my 85 FXWG. Last year I replaced the stock Kehin butterfly carb (like his would be) with an S&S. The old carb was running fine, but I heard for years about how they were not great carbs. I was doing a cam and top end rebuild, so I went to the S&S at the same time.
Let me know if you are interested in the stock carb. It has the intake and pretty new compliance fittings also. It has the Andrews accelerator pump on it also.
Let me know if you are interested in the stock carb. It has the intake and pretty new compliance fittings also. It has the Andrews accelerator pump on it also.
Stellar HDF Member
Joined: Aug 2012
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From: Indiana, USA
IMO, the S&S is an excellent bolt in replacement. The HD CV is suitable and so is the Mikuni CV. You see alot of mikuni's out there but IMO the S&S is the easiest to work with. Really, all you need is a flat balde screwdriver to completly rebuild 1 or adjust it after the rebuild. As with all carbs, the jets or metering rods will need to be jetted to the bike build.
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