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  #1  
Old 12th September 2009
Andy Hog's Avatar
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Default Quick relpy need (carb fitment)

Hi,

just spotted this on ebay UK, Harley Davidson cv carb, part number 27038-92

Will this fit my 81.

Thanks,

Andy.

Last edited by Folkie; 18th October 2010 at 18:00..
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  #2  
Old 12th September 2009
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Not sure what all is involved, but my 78' has a cv carb on it. The previous owner did the conversion, but I wouldn't think it would be that difficult.
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  #3  
Old 12th September 2009
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With the CV carb adaptor.

http://cgi.ebay.com/ebaymotors/Harle...=p4506.c0.m245
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  #4  
Old 12th September 2009
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You may run into fitting issues with your petcock and the throttle cable bracket just have to reposition the bracket. also need a different throttle cable or if you are able you can modify the original.there is also an aluminum adapter out there that presses onto the cv carb making it a solid mount no rubber spigot
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  #5  
Old 12th September 2009
GA_Ironhead GA_Ironhead is offline
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If you want a CV, that's the style you want. 40mm w/an acc pump. If you can find an unmodified one with the welch plug covering the idle mixture screw (IMS) still in place, that's even better. That way, you can be fairly certain the PO hasn't borked up the IMS seating surface, at which point the CV is an interesting paperweight. A drilled slide is also something to avoid, as are lighter slide springs.

Three common ways to mount.

(1) Mikuni metric adapter.



(2) Press on adapter.



(3) Non press adapter. Requires stock CV seal.



Option (3) is the route I chose. I didn't like the idea of the permanent mount and seemed more elegant than (1). As others have said, there are different things you may run into, throttle, petcock clearance, etc. For me, coming up with an internal, single wire throttle was the most difficult. The original 180º petcock had to be replaced by a 90º petcock. Others have reported clearance issues with the latter. YMMV.

Here's a shot of mine mounted.

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Old 13th September 2009
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Quote:
Originally Posted by GA_Ironhead View Post
If you want a CV, that's the style you want. 40mm w/an acc pump. If you can find an unmodified one with the welch plug covering the idle mixture screw (IMS) still in place, that's even better. That way, you can be fairly certain the PO hasn't borked up the IMS seating surface, at which point the CV is an interesting paperweight. A drilled slide is also something to avoid, as are lighter slide springs.

Three common ways to mount.

(1) Mikuni metric adapter.



(2) Press on adapter.



(3) Non press adapter. Requires stock CV seal.



Option (3) is the route I chose. I didn't like the idea of the permanent mount and seemed more elegant than (1). As others have said, there are different things you may run into, throttle, petcock clearance, etc. For me, coming up with an internal, single wire throttle was the most difficult. The original 180º petcock had to be replaced by a 90º petcock. Others have reported clearance issues with the latter. YMMV.

Here's a shot of mine mounted.



this is the same way wilsons is done.Except there is a 90degree pipe elbow exiting the fuel tank , the push portion of the cable holder was clipped off to clear the pipe elbow for the fuel and the stock CV pull throttle hooks right up nicely and functions well. maybe wilson will post a few pics on here of it. I know his bike very well.!!!!!
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  #7  
Old 13th September 2009
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I have just gone to the press-on adapter, my fuel tap is on the left so no clearance issues....my previous CV conversion ran with a single throttle cable with no worries.
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  #8  
Old 13th September 2009
GA_Ironhead GA_Ironhead is offline
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Single wire here as well. The return cable holder could be removed without issue, but it wasn't a clearance problem for me.

The other side.

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Old 14th September 2009
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Default

Hey, where do you get the heat block/chock/thing-between-the-flange-adapter-and-theintake-manifold?
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  #10  
Old 14th September 2009
GA_Ironhead GA_Ironhead is offline
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Came that way from the MoCo. Need a part number? They're probably available aftermarket.
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