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Leaking carbs

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It's difficult to tell from my end- I'd be suspicious of o-ring. It has to be a snug fit going down hole and then when gas hits it, it will swell up a bit to make a tight seal. It is 30 years old remember. These are standard buna plumbing o-rings commonly available but you need a vernier caliper to measure the diameter at bottom of groove. O-rings are sold based on ID and cross section thickeness. If you got a Suzuki dealer nearby, I try them- probably a couple bucks apiece for the correct o-ring.
this member sells o-ring kits but I'm not sure he includes the one you want;
http://www.cycleorings.com/450.html
 
Nice pics ! Personally, on 2nd pic, I say that needle seat face (and o-ring) is beat. I just tore apart my 74 honda's carb last winter- o-ring shot, but seat face was excellent still- no sign of grooves/ridges that would prevent needle from sealing. Yours seem worn in comparison.
 
From my old stuff- scroll down this linked page to float needle set for $8

http://www.partsnmore.com/parts/suzuki/gs450l/?filters[category]=carb&filters[fitting]=custom

I've never bought anything from these guys, so I can't vouch for their correctness; sometimes pics don't show the exact item.
My nearby and very expensive Suzuki dealer -alphasports- lists a set at $45. Yikes!
You could do a search on ebay of course
 
tom203 said:
From my old stuff- scroll down this linked page to float needle set for $8

http://www.partsnmore.com/parts/suzuki/gs450l/?filters[category]=carb&filters[fitting]=custom

I've never bought anything from these guys, so I can't vouch for their correctness; sometimes pics don't show the exact item.
My nearby and very expensive Suzuki dealer -alphasports- lists a set at $45. Yikes!
You could do a search on ebay of course
Click to expand...

Thanks!
I'll pick up a couple sets for $8
 
incarceration said:
Thanks!
I'll pick up a couple sets for $8
Click to expand...
Sounds smart. Ordinarily, the non mikuni aftermarket carb parts are iffy, but I think for the float needle/seat set, this is OK (provided they fit without hammering) If you do eventually do the full carb cleaning, remember to NOT buy any carb rebuild kits- clean what you got and just get new o-rings from cycleorings and bowl gaskets.

So new petcock and new needle/seat should solve the overflowing carb problem which was where this all started a long time ago! Good luck- hurricane season starts soon!
 
Yeah right now I've bought a new petcock, new bowl gaskets, new bowl drain screw o-rings, all new allan key screws for the top of the diaphram, float bowl, and the 2 brackets, and then i'll get those 2 $8 sets
 
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