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OK, now for the run-down

  • Thread starter Thread starter KRISTI'SGS550
  • Start date Start date
GS: replace the plugs. They must have gotten fouled due to the poor carburation.

CB: put a section of clear tubing on the caliper bleeder nipple, nipple open, and draw a vacuum on it (mouth works well). The fluid will be pulled down out of the reservoir and into the master thus priming it.
 
Nessism said:
GS: replace the plugs. They must have gotten fouled due to the poor carburation.

CB: put a section of clear tubing on the caliper bleeder nipple, nipple open, and draw a vacuum on it (mouth works well). The fluid will be pulled down out of the reservoir and into the master thus priming it.
Click to expand...

For the GS I bought new plugs, plus that and the carb work should work?

As for the CB I tried this approach and I couldn't suck anything down. Do I need to rebuild the master cylinder? It seems to be working well, just no suction.
 
oh for sucking. I thought he was talking about using a vacuum. I tried the suction thing I don't have enough air in my lungs.

I am going to my Dad's shop tomorrow to borrow a hand vacuum he uses for rock chip repairs. I will then build my own brake bleeder with it, some tubing and a container. Hopefully the suction power of one of those will be enough to get this thing going.

Quick question, the plugs I pulled from the GS were forked. I have never heard of forked spark plugs. What is the deal with these? Why are they used? Do I need to replace with the forked plugs or can I use regular topped plugs? Any information can help let me know what you know.
 
Last edited:
I was talking about using a vaccuum pump. Have you seen one of those things when they start up. They suck like hell. Now you wouldn't want your vaccuum pump full of brake fluid would you. Particularly if you borrowed it from someone.
Cheers. Don
 
Suzuki Don,
I made a container to connect to my vacuum brake line pump to catch the liquid. I will post the set up tomorrow. I want to use it and make sure it works first. I pretty much took a plastic clear container (Crystal Light container) and cut holes in it for triple tree adapters that I bought for my CB fuel lines. To make sure there wasn't any air leaks I heated up the glue gun and covered the things inside and out. So far this tool has been free to make, I love when I can do that.

For spark plugs I got NGK B8ES plugs, just wondering about the forked plugs. The guy I got the bike from was a little different and so far everything he has done has been wrong or different.

Hopefully it hasn't been too late and I can reverse all his work and start over with a newish running bike.


Cory
 
You shouldn't need to resort to extreem suction to get the brake fluid moving downward. Maybe your master cylinder is gunked up on and blocking flow? The Suzuki masters have a tiny little feed hole, or air release hole, not sure which, that gets plugged easily. Not sure but your CB may be the same.
 
Steve,
splitfire is the the brand of the plug I pulled. I will have to do some reading on these, thanks.

Nessism,
I think you might be on to it. I primed the MC, so I know that is working. I have air coming out of the bleeder nipple when I pump just no fluid. I figured the vacuum would get the best results. If they were clogged, how would I clean them? Just spray brake cleaner into the cylinder?

Also can anyone take a picture of the small feed hole on the masters? I am not sure if the CB has one, but if I knew what to look for so I could clean it, that would be great!

Cory
 
I found the best way to get new lines started on mine was to put a length of rubber on the bleed nipple & suck hard!

Without doing that there was no way I could get any fluid down to the calipers.

Dan :)
 
salty_monk,
I sucked so hard I thought I was going to suck my face down into the tube. I think there is something else wrong. I sprayed the thing with a ton of brake cleaner. Maybe that will free up some sort of gunk or something.

One quick question. Did you prime the Master Cylinder before sucking? I haven't tried that yet maybe that's what I am doing wrong.

Cory
 
When I suck I can taste the Brake fluid, but the actual liquid doesn't move. The level in the master cylinder is exactly the same. Anyone have any suggestions? Am I missing something? I have read so many posts about this and tried everything, but I can't seem to get it going. Someone said something about cleaning the calipers. How would I do that? Again this is a CB650. But compared to me GS it looks very similar.

Cory
 
I have the cylinder shooting out brake fluid when i push the lever with the bolts and banjo off. But as soon as I put them back on, all that comes out is air and I can feel the air coming out of the bleeder needle on the caliper. It's really confusing me.
 
KRISTI'SGS550 said:
Someone said something about cleaning the calipers. How would I do that?
Click to expand...
push the piston out by compressed air, take the rubber seal out - see what's the condition - cleaning with the brake cleaner and lubing with the brake fluid should be enough (but if theres rust you may need to sand the cylinder - piston lightly with emery paper)
 
awesome psyguy,

I will try that now. I am sure you still wont be on here when I am done, but just in case. I will keep you posted.
 
KRISTI'SGS550 said:
I have the cylinder shooting out brake fluid when i push the lever with the bolts and banjo off. But as soon as I put them back on, all that comes out is air and I can feel the air coming out of the bleeder needle on the caliper. It's really confusing me.
Click to expand...
thats good news
so, its either the hoses or the caliper
your hoses may be clogged inside (including from falling to pieces due to age). try compressed air.
 
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