Author Topic: Keihin PB41B carburetor problem  (Read 6012 times)

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Roscoe

  • Guest
Re: Keihin PB41B carburetor problem
« Reply #25 on: March 15, 2008, 04:06:11 PM »
  Roscoe,  I pulled your #1 float bowl to put in a box with your brake bits, and the darn thing is missing the overflow stem. I've sent a PM to John(jtb) inquiring about his, so hopefully this is just a hiccup.

   I really should have pulled the bowl and checked first, but I had no reason to think that the stem would be absent. The other three are there, must be a production line problem with the worker in charge of producing the #1 carbs. I'll send an email to Sochiro right away ;) :)

No problem mate. I drilled out the broken stem and got some brass tubing from the hobby shop. It was a slightly smaller dia so I "Tinned" the tube with solder and pressed it in. I also soldered up the hole then redrilled a smaller one. I filled it with petrol and left it for a day sitting on white paper. No leaks so hopefully that will work. Fingers crossed.
Let me know if you get a reply from Sochiro. It'll be worth millions.
Cheers
Roscoe

Roscoe

  • Guest
Re: Keihin PB41B carburetor problem
« Reply #26 on: March 15, 2008, 04:08:33 PM »

Elbow grease seems to be the active ingredient in nice looking carbs.  I've seen people paint or polish them, but never saw any kind of miracle cure.  With all the nooks and crannies, any method of reconditioning will be some work.

How bad off are they?

mystic_1



They're not too bad. They've been sitting on the bike outside under a cover for over 12 years. I've done one and it took a while. Especially trying to get into the nooks and crannies. I had hoped that there would be something that would disolve the crap easily but I suppose I'll just keep using elbow grease. Cheers, Roscoe