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1979 suzuki gs425e

  • Thread starter Thread starter lmrmllr89
  • Start date Start date
no ill get a pic of that tonight...shoulda last night but forgot.....it looks identical to the overflow ones but is just to the side of the drain plug.....
 
Here's is the pic.......the thing I'm wondering about is just to the side of the drain plug

C740FC08-orig.jpg
 
Got me on that one! I would assume it's a drain but mine have nothing like that... what does it look like from the inside?
 
here is a better picture

IMG_0144.jpg


09.jpg


from what I have read it's a vacuum hose for the slides ? still researching.... They are not vacuum hose's, see bottom of post for more information

found it on this guys blog site

http://79suzukigs.blogspot.com/

.
EDIT - found an entry on his blog......

After that I disassembled the left carb, much like the right one there was no clogging of the jets, just some varnish on certain parts, however I will complete a thorough cleaning as with the right carb. Also with the help of some people on CafeRacer.net (specifically Hillsy on the forum there) I learned that the mystery hose connections were breather ports for the carb bowls and that they just needed to have new hose put on and routed down by the swingarm where the float bowl overflow tubes go to.
Click to expand...
I hope this helps...


and a nice write up here as well, it might not be the same model you have, but lots of pictures as well, scroll down on the first page, and there are 3 pages in total

http://www.caferacer.net/forum/topic.asp?TOPIC_ID=16230&whichpage=1

.
 
Last edited:
lmrmllr89 said:
So if its for a vacuum line.......where do they connect to then
Click to expand...

they are not vacuum lines, my mistake, but I did put what the guy found out them to be.

After that I disassembled the left carb, much like the right one there was no clogging of the jets, just some varnish on certain parts, however I will complete a thorough cleaning as with the right carb. Also with the help of some people on CafeRacer.net (specifically Hillsy on the forum there) I learned that the mystery hose connections were breather ports for the carb bowls and that they just needed to have new hose put on and routed down by the swingarm where the float bowl overflow tubes go to.
Click to expand...
 
Thanks Pete,,,,,it pays to have time to surf the web, today was an easy day at work and I am glad to be able to help out
 
So today I set to work replacing the front brakes.....the screw holding the outer pad was stripped.....
D39FE49C-orig.jpg


So I got out one of my favorite tools....an E.Z. out that actually works

DCAF8D85-orig.jpg


Then i tore the petcock apart to clean and rebuild it.....

6DA266E0-orig.jpg


FB2DB757-orig.jpg


Then I drained the oil and that was all for today.......
3EC06506-orig.jpg
 
Last edited:
An EZ out that works? No way! I broke one getting one of the bolts out of the crankcase... nightmare!
 
Yup...was very skeptical when I bought them because I've never had any sucess with those things......but these have worked very well for me.....definitly worth buying.....
 
lmrmllr89 said:
Yup...was very skeptical when I bought them because I've never had any sucess with those things......but these have worked very well for me.....definitly worth buying.....
Click to expand...

Nice! Hopefully I'm beyond the point of needing one now but I'll keep it in mind if I do...
 
The part I'm looking at is on eBay but its just like the link I posted.....I've dealt with those guys at least twice.....with good results and quick shipping......but thanx for the heads up

My main question is would I have to change the jetting with that exhaust......
 
Last edited:
lmrmllr89 said:
The part I'm looking at is on eBay but its just like the link I posted.....I've dealt with those guys at least twice.....with good results and quick shipping......but thanx for the heads up

My main question is would I have to change the jetting with that exhaust......
Click to expand...
Was going to add that yes you will need to rejet.Think the rule of thumb is 2 up main and 1 on the pilot.
 
Ok thank you very much......I don't really know anything about jetting and such....so just bear with me......there is custom pipes on the bike now....original headers but custom pipes......they do have baffles in......do you think I need to change the jets......
 
The answer really depends on how well the pipe flows.

If you have the original air box with a correctly oiled air filter and an after market exhaust that replicates the stock exhaust's flow, then you probably won't need to rejet.

If the after market exhaust is freer flowing than stock, then yes rejetting is necessary.

There are heaps of threads around on plug chops as well as info on BassCliff's page and I also find www.motorcyclecarbs.com pretty useful for tips too.

I don't think you'll need to touch your pilots as I'm running stock ones in mine with K&N's and a completely custom exhaust. I have yet to confirm that properly though as I haven't had time to do any tuning yet.
 
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