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Old 04-10-2018, 01:34 PM   #21
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Re: GS850G project

you take of the fuel bowls all the needles and fuel screws, the rubber slider covers on top and soak all that too.
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Old 04-16-2018, 08:24 PM   #22
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Re: GS850G project

Work has begun. Removed the tank front fender and windjammer. Washing all the parts as they come off. Most look in good shape integrity wise but the tank and fender are going to need new paint. The tail fairing has broken off at the forward tabs but I've seen a few on Ebay. I'll need a left hand frame cover as well which I've also seen on Ebay.

I did hook a battery up and the bike cranks and sounds like it has good compression but my compression tester is currently MIA.

Can't wait to keep going on it





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Old 04-17-2018, 03:51 PM   #23
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Re: GS850G project

And you have the good help on hand to speed progress. Maybe she knows where that compression meter is.
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Old 04-19-2018, 08:31 PM   #24
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Re: GS850G project

Got the new battery in from Amazon and got it on maintenance mode now after the initial charge. And put 5 and a half gallons of vinegar into the fuel tank to hopefully clean up some of the rust.

Zippo has a dog agility thing this weekend so I'll be on kid dooty and don't forsee getting anything done on the bike this weekend. I would like to get the carbs off at the very least.



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Old 04-20-2018, 08:50 PM   #25
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Re: GS850G project

Progress!
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Old 04-20-2018, 11:24 PM   #26
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Re: GS850G project

How long do you leave the vinegar in tank?
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Old 04-20-2018, 11:31 PM   #27
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Re: GS850G project

Depends on who you ask. General consensus seems to be 1-4 days. I put it in at 5 yesterday I'll dump it sometime Sunday.

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Old 04-20-2018, 11:44 PM   #28
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Re: GS850G project

Pour it on fire ants . You sure got outside of tank looking good.
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Old 04-20-2018, 11:46 PM   #29
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Re: GS850G project

Ha we got enough fire ants to go around.

Pic makes it look better than it is. Needs some TLC and in the end will probably get new paint.
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Old 04-21-2018, 08:00 PM   #30
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Re: GS850G project

Quote:
Originally Posted by Downs View Post
...but my compression tester is currently MIA.
I've got a compression tester just a couple of miles north of you if you need it...
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Old 04-21-2018, 08:03 PM   #31
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Re: GS850G project

When I get the carbs off ill take you up on that offer.

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Old 04-22-2018, 05:53 PM   #32
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Re: GS850G project

Tank off and devingarized. Derusted too. Man tha stuff worked like a champ. No leaks that i could find. Flushed and shook with water a few times which knocked the rest loose. Tank looks great. Got a tiny bit of flash rusting before I was able to run a bit of running alcohol through an fog as best i could with wd40. Got the shop vac blowing air into it now to hopefully dehumidfy it some more.

Also got the carbs off and partially torn down. They're not as bad as I thought but I still may send them to weird George down in the hill country. He rebuilt my gs1000 vm26 carbs about 15years ago or so and they've been flawless. But that's going to hurt the ol pocketbook.









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Old 04-28-2018, 11:22 PM   #33
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Re: GS850G project

Carbs cleaned up. Waiting on parts.





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Old 04-29-2018, 02:29 PM   #34
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Re: GS850G project

Those were exceptionally clean carbs for a barn find.

What usually is a problem for me with old carbs is the needle pin that shut off the gas when the float rises. No matter how clean they get and how good they look, they always seem to fail for me.

With four floats there is a good likelyhood that one of them leaks. Can you remove them and test them and look for bubbles?

I keep telling myself to stay away from projects like this but when I see posts like yours I kick myself and wish I had.

Good luck and I am watching from Mesquite. I only know singles and twins but any help I can offer, let me know.
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Old 04-29-2018, 02:33 PM   #35
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Re: GS850G project

That was after about 16 total hours of soaking in the carb dip. 3-4 hours at a time for each carb or set of parts for the carb. I don't know what it is about Suzuki and their fuel valves. The Vacuum valves always fail and the needles simply don't have enough "oomph" to seal off the head pressure coming down the line from the tank. Even brand new needles and seats will not fully seal if you have a leaky/faulty fuel valve.

That's why I went to a Pingel valve on my GS1000. I'm giving an OEM replacement a shot on my GS850 but I'm not holding my breath on if it will work. Or will last. IT's not a matter of if but when a Suzuki vacuum valve will fail.
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Old 07-11-2018, 01:51 PM   #36
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Re: GS850G project

Any updates on the GS850?
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Old 07-11-2018, 01:59 PM   #37
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Re: GS850G project

No sir not currently. Currently waiting to check valves. Just been really busy with kids and work and it's so hot and humid what free time I do have I tend to retreat Into the AC

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Old 08-11-2018, 09:12 PM   #38
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Re: GS850G project

Getting the bug to tinker with the GS850G again. Finally got the carbs reassembled. Need to order the proper feeler gauges for the valve check. Once the valve check is done I can get the carbs back in and make sure shes a runner then move on to rebuilding the brakes and cleaning up the electrical system.



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Old 08-11-2018, 10:00 PM   #39
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Re: GS850G project

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Old 08-12-2018, 08:34 AM   #40
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Re: GS850G project

Quote:
Originally Posted by Downs View Post
That was after about 16 total hours of soaking in the carb dip. 3-4 hours at a time for each carb or set of parts for the carb. I don't know what it is about Suzuki and their fuel valves. The Vacuum valves always fail and the needles simply don't have enough "oomph" to seal off the head pressure coming down the line from the tank. Even brand new needles and seats will not fully seal if you have a leaky/faulty fuel valve.

That's why I went to a Pingel valve on my GS1000. I'm giving an OEM replacement a shot on my GS850 but I'm not holding my breath on if it will work. Or will last. IT's not a matter of if but when a Suzuki vacuum valve will fail.
Many GS owners go with a manual fuel valve. The pingel is great, but you can make the stock valve manual too. Take it apart and get to the barrel which actually selects the fuel pathways (easy) and fill the "Prime" hole with JB weld. Also block off the vacuum port with a cap, or more jb weld, and remove all the vacuum valve stuff. Use RTV as a gasket to reassemble, since the vacuum diaphragm is now gone.

Then when reassembled, "Prime" becomes "off". You'll no longer need the prime spot since the fuel will just flow when it's in on or reserve. No more vacuum valve to fail.
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