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1986 GS550ES carb needle removal???

  • Thread starter Thread starter race56
  • Start date Start date
R

race56

Guest
I don't understand how the to remove the goofy plastic needle holder inside the slides? it will spin around but can't seem to pull it out to change needle position - or install new needle????
 
With the 550's you just grab the plastic thing and yank with a pair of needle-nosed pliers.. it snaps in & out of the slide assy. Be careful when you do so as not to lose the spring & washer assy inside.

The other GS carbs have an internal circlip that has to be removed to get the needles out, but those siamese 550 carbs are different.
 
OK, now far up on Main and pilot using stock airbox and 4int1 Vance & Hines?

OK, now far up on Main and pilot using stock airbox and 4int1 Vance & Hines?

OK, got the caps off, raised the needle about 1mm, little better in the mid-range, needs full choke to idle smooth, and is very lean up on top. Guessing I need to go for a full jet kit? Sure didn't expect this thing to be this far off with just changing the pipe.

Mains: 97.5 inners 90 outers
Pilots; 42.5 all four
screws 2.5 turns out.
 
slides

slides

GS1100GK said:
When changing the diaphram/slide on CV32's on the 81 550L, it had snap rings.

Don't know if they are original or they are all like that?

- John
Click to expand...


No this model has plastic inserts that snap into inside of the slides holding needle, spring down.
 
GS1100GK said:
When changing the diaphram/slide on CV32's on the 81 550L, it had snap rings.

Don't know if they are original or they are all like that?

- John
Click to expand...

I believe only the "siamese" carbs have the plastic piece that snaps in & out... started in 1983.
 
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