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Author Topic: GS1100G Resto-mod  (Read 2085 times)

Offline Chuck78

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Re: GS1100G Resto-mod
« Reply #20 on: Apr 22, 2018, 11:15:33 »
Those carbs were NASTY!!!!
Did you use lots of aerosol carb cleaner as well? If you have not reassembled them, you can come over and use my gallon cans of berryman's dip also. When they are that filthy, there is no doubt in my mind that they need extreme measures taken to make sure they are cleared out on the inside passages where you cannot see. I also have this really fancy laboratory grade ultrasonic that you can fit cylinder heads into. It's currently full of Pine-Sol and water mixture, as I ran out of the simple green pro HD. I've been wanting to track down some krud kutter cleaning solution that I had read was the best thing ever for Ultrasonics. I think some TSC stores sell it, but not the one that I went to in Coshocton. I think there's one down your way on the way to Lancaster.

« Last Edit: Apr 22, 2018, 11:22:23 by Chuck78 »

'77 GS750 920cc, 4-1, GS1100E swinger, 18" Sun rims, Fox Factory Shox, twinpot dual disc, CR31, Yosh cams
'74 Rickman VR250MX
'99 Kawasaki KDX220 rugged terrain ripper
PROJECTS:
'77 Suzuki PE250B
"Pure Enduro" trail beast, ported, Wiseco, TŁBliss, Fox Factory Shox/RaceTech
'76 Rickman CR GS1000-1120cc roadracer, Yosh cams&4-1, RF900R fork, Works piggybacks
'79 GS425 489cc Formula 500 racer, Tempter cams, GS650 forks, twinpot brakes, DID rims, GS1100E swinger, Fox Factory Shox
'77 GS550's 650-740cc susp&brake mods

Offline Drey6

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Re: GS1100G Resto-mod
« Reply #21 on: Apr 22, 2018, 17:23:12 »
So far Iíve used two whole cans of carb spray and about a dozen ultra- sonic cycles for each set(I can fit 2 in at one time safely, flip around the carb position in cleaner periodically every two cycles to send the waves in different directions.). Then pull from cleaner and they are smoking hot, hit em with carb cleaner and compressed air while I pop the other two in the ultra sonic to keep the process rolling.



Those pics were taken after about the first six cycles. (6 more followed that).

Gonna do one more real thorough session tomorrow (6 cycles for each) since Iím awaiting new OEM float valves, jets. small screws +brackets that bottom the floats out. If I donít find that to be enough, for them to be clean Iíll hit you up! There is another TSC btw in Pickerington. Was just there yesterday for dog food, wish I woulda know to check for that krud cutter!

Offline Drey6

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Re: GS1100G Resto-mod
« Reply #22 on: Apr 23, 2018, 19:28:07 »

I'll have to drop in next Saturday to admire the progress before I steal ya for some woods riding

Iíll keep this in mind.....make sure the garage is organized. It was a joke working out there today. Shit is everywhere. Otherwise canít wait to ride dirt this weekend! Wish I had new tires, hopefully mine make it through the day safely...


That's a steep swingarm angle, max should be around 11.5 degrees.

Yes, this is something I plan to address. They are maxed out on length now as a mock up. There s a spacer on the bottom that would drop it down another 1Ē to 1-1/4Ē (eyeballed guess on the difference that could make.


Did you use a recommended shafty rear wheel spines heavy duty moly lube for reassembly back there?

I used what I had in the shop Valvoline Fullsynthetic ĎFullSyní Grease. Moly fortified but a low amount at that. Iíll get back to that down the road when I pick up the correct stuff you/Suzuki recommends.

Were you thinking of striping the tank still down the middle?

Unsure on this. Maybe.... it looks good as is to me as is. All black is growing on me with this bike.

Headlight yet?

No headlight found yet and honestly Iím not in a huge rush there. Plenty of other work to be done in the mean time so I guess I can wait and I I see a screaming deal Iíll snag one. Anthony may even have a spare from his parts bike.  Also I already have those headlight ears! Bought the identical black bikemaster ears. Installed them today.




Sent from my iPhone using Tapatalk Pro

Offline Drey6

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GS1100G Resto-mod
« Reply #23 on: Apr 23, 2018, 21:30:20 »
Made more progress on carbs. 4 more steamy ultra Sonics baths for the carb bodies followed my carb cleaner and compressed air to officially check those off.
A short cycle with heat in fresh sonic bath for all internals (heat helped a ton during this) then carb cleaner and compressed air for all of those bits. I need another can of carb cleaner for the throttle tubes. Then I plan to polish the carb tops and then (this week?) should have new mains, pilots, valve seats and float needles to reassemble the whole shebang and get them mounted up.


and a couple photos of some of what I was dealing with.



The float frame is aluminum btw...
To my surprise those cleaned up rather quickly.



Anthony works at an auto parts store and they were getting rid of these and he asked if I wanted one.
Will help keep all the misc. carb bits somewhat organized!

« Last Edit: Apr 23, 2018, 21:37:20 by Drey6 »

Offline Drey6

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Re: GS1100G Resto-mod
« Reply #24 on: Apr 25, 2018, 01:12:55 »
A little bummed out today. Expensive Partzilla order I placed on 4/14 has items that are on back order until May 2nd.
Then they will have to box and ship it at that point. 20+ days for some float needles, float valves and other small carb hardware seems outrageous. Nowadays anything outside of a 2 week period seems slow....
Amazon prime has apparently changed the way I view shipping turnaround.

Offline JustinLonghorn

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Re: GS1100G Resto-mod
« Reply #25 on: Apr 25, 2018, 08:51:54 »
"Well ain't this place a geographical oddity! Two weeks from everywhere."
I'm going to eat your brains and gain your knowledge.

Into The Sunset, CB750 build

TT500 the Animal

Offline Drey6

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Re: GS1100G Resto-mod
« Reply #26 on: Apr 25, 2018, 10:59:31 »
Had to look that one up as it didnít ring a bell right away. 
ďWell I donít want FOP god damnitĒ

Offline Drey6

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Re: GS1100G Resto-mod
« Reply #27 on: May 06, 2018, 00:50:14 »
Partzilla order should be here by Tuesday. I plan to have carb tops polished, slide needles shimmed and everything ready to install when the remainder of the parts arrive.

Quick question for anyone reading. My larger main jets arrived and I apparently purchased the small mains as opposed to the large mains that are offered at JetRus. The head thickness, thread pitch and overall height are  the same. Width is different however.
Should this effect anything ?

To me is seems like it would function in the exact same way so my question may be redundant. Would just like to have some reassurance if it is at all possible.

Offline Chuck78

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Re: GS1100G Resto-mod
« Reply #28 on: May 06, 2018, 10:12:43 »
For future reference, if those mains don't end up being quite the right size, remember that Huot micro drill but index I showed you? That and my full machinist drill bit set should cover any size needed if you want to drill out those original jets, but you can only drill them larger! I usually like to start mains jetting out on the high side and go smaller to avoid any lean condition.

I think those Mikuni Small Round Mains will work, but I suspect it would not work the other way around if you needed the small round mains and you tried to fit large round mains???

Unfortunately for me, there is a 3rd type of Mikuni main jets that the PE250 uses for it's VM 36 carb (or is it a 38?). It is a hex shape and it is quite a bit different than those, so I can't just swap jets from my street bikes!
I suppose you're busy packing, but since it rained yesterday at the trails all day according to my friends camping there, I'm going riding street instead down that direction if you are free

'77 GS750 920cc, 4-1, GS1100E swinger, 18" Sun rims, Fox Factory Shox, twinpot dual disc, CR31, Yosh cams
'74 Rickman VR250MX
'99 Kawasaki KDX220 rugged terrain ripper
PROJECTS:
'77 Suzuki PE250B
"Pure Enduro" trail beast, ported, Wiseco, TŁBliss, Fox Factory Shox/RaceTech
'76 Rickman CR GS1000-1120cc roadracer, Yosh cams&4-1, RF900R fork, Works piggybacks
'79 GS425 489cc Formula 500 racer, Tempter cams, GS650 forks, twinpot brakes, DID rims, GS1100E swinger, Fox Factory Shox
'77 GS550's 650-740cc susp&brake mods

Offline teazer

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Re: GS1100G Resto-mod
« Reply #29 on: May 06, 2018, 11:53:39 »
There are three main jets that we use in our bikes.  N4/042 Hex are flow rated so double the size gives double the flow.

Round mains are rated differently.  They are mm rated ie the size is the diameter, so double the size equals 4 times the flow.  They also have a different thread than hex jets to make sure that you don't use the wrong jets.

Small rounds N102.221 I believe flow slightly differently because of the shape of the orifice.  In your place I would just order 4 new large round main jets N100/604.

As Murray at Murray's carbs (CXMan) he will probably know for sure.