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Re:HSR 42 Information
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TOPIC: Re:HSR 42 Information
#292311
Curt (Moderator)
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Re:HSR 42 Information 3 Years, 10 Months ago  
Erbman it slips on without any effort and clamps down tight. The reason I picked it over the one you are using is the fit. The carb is 2.5" and the ID of the filter is 2.5625 so it is just enough to fit and have no rubber bunching to leak. I wish it hadn't been offset but it is no big deal as I will make it work. Cost on this filter was about $40 so I can't complain and I got tired of the chrome discoloring on the BAK plus it being so big and clunky.
 
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#292403
DocShadow (Admin)
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Re:HSR 42 Information 3 Years, 10 Months ago  
erb's the man ....

Just swapped out the 20 pilot for a 25 and could tell the difference right away on startup.

Almost didn't need the choke and was able to turn the pilot screw from fully seated with the 20 to about 1.5 with the 25. Can't test and adjust as it's starting to rain.

Found almost all the jets and a needle at another HD dealer in town.

Thanks,

Doc
 
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#292408
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Re:HSR 42 Information 3 Years, 10 Months ago  
try another 1/4 turn out Doc, almost didn't need choke is a bit rich, here it's 80 in the morn, and still need choke, but will warm up in about a mile, and after about 10min riding, adjust the idle
 
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Last Edit: 2010/06/28 20:16 By Erbman02.
 
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Curt (Moderator)
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Re:HSR 42 Information 3 Years, 9 Months ago  
OK you guys that have the 42 on a stock ported manifold speak up. I pulled my manifold off today and trimmed the lugs off the carb index point. I slid it in the manifold and the spigot bottoms out on the step inside the manifold but still has a bunch to go it till it is against the carb body. The spigot is 27.93mm to the carb body that leaves a big gap between the manifold and the carb body. Did you run yours that way or did you do something to the manifold so you could seat the carb all the way to the body?
 
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#293652
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Re:HSR 42 Information 3 Years, 9 Months ago  
I believe that's all it will seat, been a long time since I used the stock manifold, what you will also need to do if using the stock manifold clamp, is to remove the spacer that prevents the clamp from closing all the way, the spacer is fine for the stock carb spigot, but for the 42 carb since the spigot is smaller, that spacer won't let ya tighten the clamps the way it should be.
 
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Curt (Moderator)
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Re:HSR 42 Information 3 Years, 9 Months ago  
I have a special SS worm clamp that I am going to use. It is for racing carbs so that shouldn't be a problem. I would love to find a way to get rid of the step in the manifold so the carb spigot would seat all the way into the manifold.
 
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#296572
Curt (Moderator)
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Re:HSR 42 Information 3 Years, 9 Months ago  
Well I have come up with a bracket for the use of OEM R* throttle cables on the 42/45 flat side carb. I have a little tweaking to get rid of the cable rubbing the 42 bracket but it will work just fine. Here is the link. New Carb
 
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#296604
smhowse (Moderator)
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Re:HSR 42 Information 3 Years, 9 Months ago  
Good idea Curt! I thought about doing something like that......AFTER I bought the new cables

Steven
 
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#296606
DocShadow (Admin)
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Re:HSR 42 Information 3 Years, 9 Months ago  
Now that's interesting but you must really like to tinker ... my SS cables fit and I only had to bend the bracket up a bit and drill out the tubes just a hair larger.

Doc
 
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#296610
smhowse (Moderator)
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Re:HSR 42 Information 3 Years, 9 Months ago  
I broke mine when I tried to bend them So I just bought the right ones.

Steven
 
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