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FLoat Pin Removal

  • Thread starter Thread starter anikmankar
  • Start date Start date
A

anikmankar

Guest
Hi Guys

What's the best method of extracting the Float pin.

Just picked a set of Carb on ebay. All was ok untill i tried to take the float pin out. Its totally jammed. just too scared to tap that pin - as it usually break if not careful (My old one has one broken tower)

any good suggestions ?

Thanks
 
I used the corner of my wooden workbench to support the float post - as close to the head of the pin as possible. Worked for me.
 
Use a dowel pin with the same diameter,and then turn the carb on its
side with the bowls off. Then use the dowel pin as a punch. Use a
metal base as leverage against the towers so you don't break them
off durig the impact.

Nemaste !! :-D\\:D/
 
jadesystem said:
Use a dowel pin with the same diameter,and then turn the carb on its
side with the bowls off. Then use the dowel pin as a punch. Use a
metal base as leverage against the towers so you don't break them
off durig the impact.

Nemaste !! :-D\\:D/
Click to expand...
Luckily, my workshop served as a furinture making shop, so I carved some wood to make a nice, somewhat firm support, then used an old drillbit the same size to drive it out. Oh, also, an old wood handle from a chisel, or plastic handle from a screwdriver is much more effective, and potentially less disastrous, than a hammer!!
 
need 3 hands

need 3 hands

Guess will need about 4 hand --- 1 to hold it 2 to hit it. Just kidding...


Thanks all - will try it tonight. ...else will end up cutting them - really dont want to take a chance
 
Had to cut

Had to cut

I tried for two hrs to take that damn pin out. Finally used a had cutter slice of the pins. The float came of. The tappering end of the pin also came of easily. The head side was still stuck. Spent another hr to tap it. once the head was a little out - i pulled it out with the locking pliers with a lot of force.

Guess i ended up with using all the suggestions. :D

Lets hope the other 3 are not as bad as this one. Will keep you'll posted
 
Don't discount a propane/map torch, LIGHTLY applied to the side of the post followed by pb-blaster.
DON'T AIM IT AT THE FLOAT!!!!!!!!!!!!!!! USE THE SIDE OF THE FLAME.
 
me + carb cleaner / gas + torches = boom

glad i didnt have any issues using some wd40 and tapping it with a small nail and hammer.
 
Maybe I got lucky, but I just went through all four carbs on my 1982 GS550LZ and to remove (and reinstall) I simply placed the carb body sideways on a padded table, picked out an appropriate size drift and used a rubber mallet to remove them. Reinstallation was the reverse of removal, only with a bigger drift.

A big mistake most folks make when they're trying to drive a pin in or out is they sit there and give it tiny little taps because they're afraid they'll miss the punch or hit their hand or something. Line up your punch/drift, take your hammer and BASH THE CRAP out of the top of the tool like you're trying to drive it through the table, your foot, the floor and foundation all in one go. Really give it the what-for but do it the first (and only) time. All of mine came out with one hit and went back in with one hit. Didn't bend a support post in the process, either. If you sit there and give it teensy little love taps, you're just going to break something or mushroom out the pin head.

Like I said, maybe I was lucky. A block under the support arms is a great idea, though, and something as simple as a piece of wood the right height with a hole drilled in it for the pin to fall in would work wonders.

scurvy
 
Last edited:
I broke mine.

I broke mine.

I just went through this a few days ago and I ended up breaking off the float arm. Heres the link to the thread. Here is Nessism's reply to me and it work great on the other three carbs. I used an old socket (didn't want to ruin my nice new Craftsman tools).
 
If you ever crack or break the mounting, you can repair it with JB Weld.
Make a small batch by combining the 2 tubes, then let it harden about
20-30-min over two screws so tah they fuse together. Test this by putting the screws with the JB Weld into a small vile of gasoline with
a sealing top cover.

See if the JB Weld breaks down. It should not. I've used this before
when I broke my float bowl pin mount, and I just repaired it.

For future reference, I would advise to make a small jig that will allow
you to set the carb body to seat, and to ease the removal of the float bowl pin. Any wooden piece would work that can deflect the impact
of your hammer taps and blows.
 
scurvy said:
Maybe I got lucky...
Click to expand...

While I won't go as far saying "bash the crap... etc" I have to agree with the "one decisive hit" method. Personally, I don't like the sound of using a rubber mallet - sounds like too much weight and not enough control. But if it works...

Maybe I got lucky, too, but my tap-tapping was getting me nowhere. I tried a sharp smack with a light weight metal hammer (actually, I'm embarassed to say it was a 6" crescent wrench) on a drift punch did the trick on all four. I did pad the bench with a thick rag.

I know, I know... ball peen hammers probably come in a variety 3-pack for $1.99 at Harbor Freight. Next carb rebuild.
 
2nd one out

2nd one out

Really not sure why these float pins are so tightly fitted as specs.

Anyways, the Carb 3 float pin came off. Had to lightly tap till i could get enough of the pin head out. The vise gripped it with locked pliers and twisted it out. didnt come out in one go but eventually did. Filled the float pin so the things goes in and off easly (for next time).

2 down - 2 to go.

from all these suggestions - lets also add PATIENCE as one more thing to have...:D
 
Rest the float tower on a socket & use an AUTOMATIC center punch (One of the spring loaded ones!) to knock the pin loose. Works like a charm EVERY time. Ray.
 
Wish I had read these posts before I rebuilt mine. I ended up using a screwdriver and a hammer. Got the pin out but busted a tower. Thank you JBWeld. These bikes are great "Learn-as-you-go" lessonmakers.
 
automatic punch

automatic punch

Hi Ray

thanks - i saw on on the ebay - will buy that.

in the mean time will try the painful manual process
 
Last edited:
I'm about to rebuild the carbs on the 750T. 18 years sitting. There's one post busted off already. Yay.

Thanks for the help guys.

Hooray for the search engine!:-D
 
Float pin removal

Float pin removal

I use a pair of duck billed pliers. I can get the edge of the jaw on the pin and the other jaw on the tower. They usually pop right out. If not try soaking the the pin with penetrating oil (liquid wrench) for 30 minutes or so.
 
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