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BS34SS needle valve...

  • Thread starter Thread starter schmitty78
  • Start date Start date
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schmitty78

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I recently bought a 1981 GS450TX that I was having carb/idle problems with. I decided to call it a season, and tear down the carbs to see how bad they were. Surprisingly they weren't that bad, but I did find the left carb float height was different than the right, and the needle valve is also worn. I also noticed the strainer screens were missing. I purchased the Suzuki GS450 service manual, and it says the carbs are Mikuni BS34SS. I've had some difficulty finding the needle valve assembly parts online. The catalogs I've found either don't have my year bike listed in the carb section, or the BS34 parts they show don't appear to match my parts. I verified that my parts match the ones in the service manual, so the carbs are original. I called the local shop today to price the parts, and they said the needle valve and seat would be about $50 ea, $10 ea for the strainers, and $2 ea for the gaskets. It seems like I should be able to find these a little cheaper online somewhere. Does anyone know where I might be able to find these parts? I appreciate any help. Thanks!
 
K&L supply catalog has two listed. one is slightly longer than the other.
The Sudco catalog only lists one.
 
schmitty78 said:
I recently bought a 1981 GS450TX that I was having carb/idle problems with. I decided to call it a season, and tear down the carbs to see how bad they were. Surprisingly they weren't that bad, but I did find the left carb float height was different than the right, and the needle valve is also worn. I also noticed the strainer screens were missing. I purchased the Suzuki GS450 service manual, and it says the carbs are Mikuni BS34SS. I've had some difficulty finding the needle valve assembly parts online. The catalogs I've found either don't have my year bike listed in the carb section, or the BS34 parts they show don't appear to match my parts. I verified that my parts match the ones in the service manual, so the carbs are original. I called the local shop today to price the parts, and they said the needle valve and seat would be about $50 ea, $10 ea for the strainers, and $2 ea for the gaskets. It seems like I should be able to find these a little cheaper online somewhere. Does anyone know where I might be able to find these parts? I appreciate any help. Thanks!
Click to expand...

Schmitty 78,
I just installed these genuine Mikuni in my GS450S...work great! PS the original filters snap right on..

http://www.powersportsplace.com/parts/mku-n122-0322-5/
 
Last edited:
Thanks everyone...you've been quite helpful. I've placed my order at BoulevardSuzuki.com. Yeah, they're not cheap, but I want to do these carbs right! I wish I could've ordered these 2 weeks ago, today was 70+ degrees here, and there were tons of bikes out! Especially since it was Veteran's Day. I was dying to ride all day! Oh well, hoping to get my parts soon, get it all back together, and get lucky to get a few more nice days to ride!! Thanks again!
 
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