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42mm flatside carb

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  #11  
Old 06-23-2007, 02:03 PM
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Default RE: 42mm flatside carb

The '03 Springer Softail I bought last weekend has the Mikuni HSR42 on it. I cannot believe how much better it is than the stock HD carb ... It's night and day on throttle response, and not huffing or puking back out of the air cleaner. I've TRIED to make this carb miss a beat, and it just won't do it. I'll add this to my "always mod" list!

Mike
 
  #12  
Old 09-09-2007, 12:28 AM
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Default RE: 42mm flatside carb

i Love mine, i was having a problem with the cv so i went to the 42, no more bucking when just crusing. i could not be more happy with the carb.
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  #13  
Old 09-09-2007, 06:25 AM
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Default RE: 42mm flatside carb

I put the Mikuni HSR on my Evo too - as others have said way better throttle response. +1 on the Mikuni choke cable too. Huge improvement.
 
  #14  
Old 09-09-2007, 06:41 AM
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Default RE: 42mm flatside carb

I've had on on my WG for years and love it. Wish my RK had one rather that EFI.
 
  #15  
Old 09-09-2007, 11:47 AM
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Default RE: 42mm flatside carb

I'm thinking about going with a Mikuni HSR42 on my Train. My only hesitation is that I've been told that it "rattles" and that the rattling is really noticeable. Can any of you guys with the carb give me the head's up on that?

Cheers!
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  #16  
Old 09-09-2007, 05:25 PM
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Default RE: 42mm flatside carb

they do rattle......but just at really low idle speeds, the only thing I dont like about them, is they are prone to stick the float when trailering, and before you flame me, when I trailer, it's with 10 to 12 bikes cause I am trying to sell something.....they are great carbs.
 
  #17  
Old 09-10-2007, 01:22 PM
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Default RE: 42mm flatside carb

ORIGINAL: shooter64

they do rattle......but just at really low idle speeds, the only thing I dont like about them, is they are prone to stick the float when trailering, and before you flame me, when I trailer, it's with 10 to 12 bikes cause I am trying to sell something.....they are great carbs.
Thanks. Sounds like it wouldn't be annoying then. When you say the float sticks when trailering, what causes that? And how do you go about unsticking it?

Cheers!
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  #18  
Old 09-10-2007, 01:42 PM
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Default RE: 42mm flatside carb

either drop the bowl, or tap on it with a screwdriver....if you turn off your petcock, like I try to get my guys to do, it doesnt happen much, but if you dont, you are liable to have a problem, the other thing I would highly reccomend is a fuel filter, and they make some cool pretty small chrome ones, cause with gas the way it is these days, you can have some sediment in your tank, and that will stick the float. Dont let me scare you off, just do a little on the front end, and you wont have the problems I had in the past, explaing to someone why I am working on their brand new bike, cause somebody forgot to turn off the petcock. The throttle response will keep on your face!
 
  #19  
Old 09-10-2007, 01:45 PM
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Default RE: 42mm flatside carb

ORIGINAL: shooter64

either drop the bowl, or tap on it with a screwdriver....if you turn off your petcock, like I try to get my guys to do, it doesnt happen much, but if you dont, you are liable to have a problem, the other thing I would highly reccomend is a fuel filter, and they make some cool pretty small chrome ones, cause with gas the way it is these days, you can have some sediment in your tank, and that will stick the float. Dont let me scare you off, just do a little on the front end, and you wont have the problems I had in the past, explaing to someone why I am working on their brand new bike, cause somebody forgot to turn off the petcock. The throttle response will keep on your face!
Interesting... I don't turn my petcock off now with the stock CV and never have any issues. Is there a reason this causes the float to stick? As to the filter, isn't there one in the tank attached to the petcock?

Thanks for the answers.

Cheers!
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  #20  
Old 09-11-2007, 10:01 AM
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Default RE: 42mm flatside carb

not on all bikes.....
 
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