1980 Suzuki GS1100E - Almost Done - Chicagoland Sportbikes
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post #1 of 42 (permalink) Old 07-25-2009, 06:10 PM Thread Starter
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1980 Suzuki GS1100E - Almost Done

I've had this bike sitting in the garage for a couple years now. It's in great shape for an almost 30 year old bike. The diaphragms in the stock carburetors were all cracked so I've been waiting all this time for a good deal on a set of diaphragms. The diaphragms are only sold as part of the whole slide for about $100 each. I came across a nice set of used but freshly rebuilt Mikuni Radial Flat Slide carburetors on eBay last week so I grabbed those for less than it would've cost me to replace the diaphragms on the stock carbs. The RS carbs will be a huge improvement over stock anyways, better throttle response and easier to tune .

I ordered a dual outlet petcock from Pingel to replace the leaky, single outlet, stock vacuum operated one. I also ordered the push/pull throttle that the flat slide carbs require. I replaced the tires today with new Bridgestone BT45s (thanks to Chicago Performance for the deal on the tires!).

Here's how it sits today after a few hours of cleaning and polishing last night. I'm just waiting on the carburetors, petcock, throttle, and rebuild kits for the front calipers and master cylinder.





I'll post more pics and progress later in the week when the parts show up. I've been waiting a long time to finish this bike so I'm getting anxious now that it's almost done. It should be roadworthy by next week's bike night (maybe this week's bike night if the parts get here by Monday or Tuesday).
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post #2 of 42 (permalink) Old 07-25-2009, 06:28 PM

 
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What a great bike you'll soon learn why they had such a great reputation

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post #3 of 42 (permalink) Old 07-25-2009, 07:30 PM
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Nice Ryan. I always liked that bike. Looks so sweet.

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post #4 of 42 (permalink) Old 07-25-2009, 11:18 PM
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love it, old school zook.

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post #5 of 42 (permalink) Old 07-25-2009, 11:29 PM
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looks good, i really want an old skool KZ1000. That gs is pimp tho. how about you give me the R1. lol

Even heroes know when to be scared.
..As I shifted into 6th, I forgot every f'in thing she said..
Im a fuel injected suicide machine!
Quote:
Originally Posted by Criminalgrrl View Post
I'd let him pee in my butt
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post #6 of 42 (permalink) Old 07-26-2009, 12:54 AM

 
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Shameless plug

Gus
We offer three kinds of service @ Resurrection
GOOD - CHEAP - FAST
You can pick any two
GOOD service CHEAP won't be FAST
GOOD service FAST won't be CHEAP
FAST service CHEAP won't be GOOD
and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
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post #7 of 42 (permalink) Old 07-26-2009, 01:00 AM
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yeah no job... but thats kinda what i want but drag bars and flat slides

Even heroes know when to be scared.
..As I shifted into 6th, I forgot every f'in thing she said..
Im a fuel injected suicide machine!
Quote:
Originally Posted by Criminalgrrl View Post
I'd let him pee in my butt
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post #8 of 42 (permalink) Old 07-26-2009, 01:01 AM
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Bad ass. Chop a foot off of that tail light, slap on some grips, keep the mirrors
off it and it's perfect.
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post #9 of 42 (permalink) Old 07-26-2009, 01:03 AM

 
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Come sponcer the project.And buy the bike over time.

Gus
We offer three kinds of service @ Resurrection
GOOD - CHEAP - FAST
You can pick any two
GOOD service CHEAP won't be FAST
GOOD service FAST won't be CHEAP
FAST service CHEAP won't be GOOD
and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
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post #10 of 42 (permalink) Old 07-26-2009, 01:08 AM
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Quote:
Originally Posted by resurrection View Post
Come sponcer the project.And buy the bike over time.
as soon as im working again, ill be hittin you up

Even heroes know when to be scared.
..As I shifted into 6th, I forgot every f'in thing she said..
Im a fuel injected suicide machine!
Quote:
Originally Posted by Criminalgrrl View Post
I'd let him pee in my butt
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post #11 of 42 (permalink) Old 07-26-2009, 01:44 AM
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I miss my '82 GS... those bikes are awesome! UJM FTW!

Nice grips by the way LOL

Take it to the STREETS!

Last edited by DRZ; 07-26-2009 at 01:49 AM.
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post #12 of 42 (permalink) Old 07-26-2009, 10:01 AM Thread Starter
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Quote:
Originally Posted by Dave13 View Post
Bad ass. Chop a foot off of that tail light, slap on some grips, keep the mirrors
off it and it's perfect.
The tail light is 80s huge. I originally had plans when I got the bike to put a round headlight on it and do something with the tail but this bike is too nice to mess with anything on it. I did change out the huge stock handlebars for set of lower, superbike bend bars.
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post #13 of 42 (permalink) Old 07-26-2009, 10:32 AM
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post #14 of 42 (permalink) Old 07-27-2009, 07:49 AM
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Gotta love the GS1100E! Fast, smooth, & comfortable as a couch.
It's the original Busa.

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Last edited by cbrat; 07-27-2009 at 07:52 AM.
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post #15 of 42 (permalink) Old 07-28-2009, 12:16 PM
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That bike just screams Wes Cooley replica project.....

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post #16 of 42 (permalink) Old 07-30-2009, 11:42 AM Thread Starter
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Look what the brown truck just brought:

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post #17 of 42 (permalink) Old 07-30-2009, 11:50 AM
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hmmmmm flat slides

Even heroes know when to be scared.
..As I shifted into 6th, I forgot every f'in thing she said..
Im a fuel injected suicide machine!
Quote:
Originally Posted by Criminalgrrl View Post
I'd let him pee in my butt
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post #18 of 42 (permalink) Old 07-30-2009, 12:00 PM Thread Starter
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Quote:
Originally Posted by Milenko View Post
hmmmmm flat slides
Now I wish I didn't make dinner plans with the gf tonight . I'm dying to get these on the bike.

The throttle and petcock came from Pingel on Tuesday. I rebuilt the calipers already but the POS aftermarket master cylinder kit I got on ebay was worthless so I'm waiting on a new OEM Suzuki one from BikeBandit.
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post #19 of 42 (permalink) Old 07-30-2009, 12:04 PM
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Quote:
Originally Posted by Ryan View Post
Now I wish I didn't make dinner plans with the gf tonight . I'm dying to get these on the bike.

The throttle and petcock came from Pingel on Tuesday. I rebuilt the calipers already but the POS aftermarket master cylinder kit I got on ebay was worthless so I'm waiting on a new OEM Suzuki one from BikeBandit.
damn i wish you werent so far away, i would love to drink some brews and give ya a hand, i love old skool bikes.

Even heroes know when to be scared.
..As I shifted into 6th, I forgot every f'in thing she said..
Im a fuel injected suicide machine!
Quote:
Originally Posted by Criminalgrrl View Post
I'd let him pee in my butt
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post #20 of 42 (permalink) Old 07-30-2009, 12:30 PM Thread Starter
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Quote:
Originally Posted by Milenko View Post
damn i wish you werent so far away, i would love to drink some brews and give ya a hand, i love old skool bikes.
I'll probably be working on it tomorrow night or Sunday. Take a ride down.
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post #21 of 42 (permalink) Old 07-30-2009, 06:00 PM Thread Starter
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I had a few minutes when I got home from work and couldn't resist tossing the carbs on just to see how it looked with the new carbs and pod filters on it. Then I hooked up my temporary fuel tank just to see if it would start. It fired right up. I just had to back the idle screw out about 4 turns and it idles fine and sounds pretty good. It's far from dialed in but it was nice to hear it run for the first time in about 2 years. It's so much easier working on the carburetors on this bike without the pain in the ass airbox in the way. It takes less than 2 minutes to take the carbs off now.

I still have plenty of work to do. I have to pull the carbs back off and take them apart just to be sure everything is put together right, check the float height, etc. The new throttle and cables, and petcock still aren't on it either. I also think I'm going to have to relocate the kill switch or replace it with a narrow aftermarket one. I'll get the jetting sorted out this weekend. I need to find a nice wide open spot to test the main jets, especially with no front brakes . I hope Bikebandit ships that master cylinder kit out quickly.
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post #22 of 42 (permalink) Old 07-31-2009, 06:38 AM
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Looks great Ryan,
Those are awesome bikes.

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post #23 of 42 (permalink) Old 07-31-2009, 08:38 AM
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Brakes r for pussies. LOL
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post #24 of 42 (permalink) Old 08-05-2009, 12:19 AM Thread Starter
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It lives! Finished almost everything up tonight and took her for a 30 mile test ride. What an awesome motorcycle! The intake and exhaust noise at WOT is one of the most satisfying sounds I've ever heard. It handles even better than expected with the new tires.

The jetting was pretty close right out of the box. It was a little lean on the main jets so I swapped the 125s that were in there for 132.5s. I'll see how it runs on the way to work in the morning.

The front brakes are mush. There's either still some air in there or it's just the 30 year old brake lines. I rode it to the shop and used the vacuum bleeder on it to no avail. It's getting braided stainless lines soon either way and I'll try bleeding it again at work tomorrow.

I'm waiting on a narrower kill switch because the stock one was too wide to clear the brake lever with the new throttle on it. The old throttle was integrated into the stock kill switch, making the switch housing very wide. I ordered a stock R1 kill switch to replace it because it's separate from the throttle and much narrower. For now the stock kill switch is mounted on the inside lower part of the handlebars. It looks cheesy but it works and it's only temporary until the new one shows up.

I should be at bike night tomorrow with it .
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post #25 of 42 (permalink) Old 08-05-2009, 01:01 AM
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shit i might have to go to bike night just to see this thing

Even heroes know when to be scared.
..As I shifted into 6th, I forgot every f'in thing she said..
Im a fuel injected suicide machine!
Quote:
Originally Posted by Criminalgrrl View Post
I'd let him pee in my butt
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post #26 of 42 (permalink) Old 09-17-2009, 02:31 AM
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Dug up some old pics of my '82 GS750E for shits and giggles....
Attached Images
File Type: jpg 82 GS750E front.jpg (47.0 KB, 26 views)
File Type: jpg 82 GS750E controls.jpg (47.0 KB, 21 views)
File Type: jpg 82 GS750E rear side.jpg (46.1 KB, 20 views)
File Type: jpg 82 GS750E reat.jpg (46.3 KB, 15 views)
File Type: jpg 82 GS750E side.jpg (46.2 KB, 23 views)

Take it to the STREETS!
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post #27 of 42 (permalink) Old 09-17-2009, 02:35 AM
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And that spawned me to buy this '92 GSX1100G years later....
Attached Images
File Type: jpg S4020469.jpg (40.1 KB, 26 views)
File Type: jpg GSX1100G 1.jpg (48.2 KB, 30 views)
File Type: jpg 1100 bikini 1.jpg (91.5 KB, 41 views)
File Type: jpg 1100 bikini 2.jpg (91.2 KB, 43 views)
File Type: jpg 1100 bikini 3.jpg (63.2 KB, 36 views)

Take it to the STREETS!
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post #28 of 42 (permalink) Old 09-17-2009, 06:02 AM
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Nice GSs....

I happen to be a big fan...

Bob T.

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post #29 of 42 (permalink) Old 09-17-2009, 11:14 AM Thread Starter
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Quote:
Originally Posted by DRZ View Post
And that spawned me to buy this '92 GSX1100G years later....
Sure Matt, upstage my GS with pictures of a half naked lady . Nice 1100! I love those bikes. Almost never see them around any more.
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post #30 of 42 (permalink) Old 09-17-2009, 12:48 PM
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Haha I wish all bikes came with the "bikini wash" option
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