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Old Colt
Guest
Yes, and most all the Suzukis have the same spline so there is a vast amount of interchange for these sprockets. You just need it for a 530 chain size for a Suzuki. Very common part.
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GQROD
Guest
Thank you very much i can't tell you how much i appreciate the advice and help. I'll order it and see how it goes and update this thread.
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Commodus
Guest
I recommend:
1) Verify the information you're getting by verifying the accuracy of the gauges.
2) Calculate your fuel mileage accurately.
With this information, you will be able to at least tell if you're going down the right path. Right now you're just shooting in the dark, trying to hit your problem. You can't know if the 'excess' revs are a problem if you don't know if the bike is running properly, and especially if you have an indication that something is amiss. It could very well be that if you find something, the bike will be smoother at 8K rpm than it is now at 3K rpm.
That's just my .02.
1) Verify the information you're getting by verifying the accuracy of the gauges.
2) Calculate your fuel mileage accurately.
With this information, you will be able to at least tell if you're going down the right path. Right now you're just shooting in the dark, trying to hit your problem. You can't know if the 'excess' revs are a problem if you don't know if the bike is running properly, and especially if you have an indication that something is amiss. It could very well be that if you find something, the bike will be smoother at 8K rpm than it is now at 3K rpm.
That's just my .02.
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Calvin Blackmore
Guest
so what is your average consumtion
unfaired twin gets 50 mpg to an imperial gallon at moderate speeds below 60 MPH
drops off if you are revving high but 70 mph in top gear will net just over 100 miles on 2.5 gallons
as for the jets us specs were lean my cnadian carbs have the same jets as you.
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GQROD
Guest
Makes a lot of sense, The gearing is more for my peace of mind and comfort at cruising speed. I'm not thrilled about winding out a 25 year old engine to 8000 RPM and have something come loose.
The gas miles is what i noticed as odd since the bike is tuned (carbs, electrical ) i wasn't sure where to look next.
Other than the noise at 3000 to 4000 RPM being odd, which can only mean vac sync is needed again ( just did it a couple of months ago ) or it has a bent rod? i only hear it under load.
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GQROD
Guest
Got an e-mail from Rob at z1 enterprises and it is recomended to replace the rear sprocket if you go more than one tooth higher on the front. Is this really needed? thanks.
Also the highest number they have for my bike is 17T which is great, just gotta see what is best to do replace teh one or both, any thoughts?
I will top off the tank again and start from scratch with mpg testing.
And see what i come up with.
I filled up the tank rode the bike a couple of times before i replaced the speedo cable. Miles traveled shows 27.
The speedo may be incorrect being off by 10 miles an hour slower than my actual speed.
Call me crazy but i counted the front sprocket teeth and got 14 teeth, so why is it i'm counting the rear sprocket teeth and get 112 teeth???????
and the sprocket is stamped 48-530!
Gremlins?, aliens? LSD?????
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MelodicMetalGod
Guest
LOL!!! Yeah, well, something isn't adding up somewhere. Maybe post a pick and let TheGSR have a crack at the count? I'm really curious where the disconnect is.
PS: Re gas mileage: I believe you said that you let the bike warm up for 10-15 minutes before riding. I'm thinking that could be part of your gas mileage issues. Even at idle, 10-15 minutes may be significant. In only four rides, that's 40-60 minutes of 0 mpg.
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p_s
Guest
You were counting the links in the chain.
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Old Colt
Guest
Do you have a GPS to check your speedo?
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GQROD
Guest
Yes i do, i should have thought of that !! ha ha gotta love this site!
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GQROD
Guest
This is what i thought also i did warm it up three times in one day, making short trips stopping then starting again etc. So this is the answer to the riddle. I'll try it again once i get the stator cover on had to order a new gasket.
I know it sounds like i'm beating a dead horse but i just don't want to waste anyone's time who have been so helpful so far, and since it's weird that i'm counting almost double the amount of teeth i know i must be doing something wrong.
So thanks for the ideas and advice i'm applying it all.
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p_s
Guest
How are you counting the teeth? A 112-tooth 530-chain sprocket would be bigger than your rear tire. There are 112 links in the stock chain. That means 112 teeth will go by every time the master link goes by, no matter how many teeth there are on the sprocket.
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GQROD
Guest
Sorry everyone i apologize for the confusion it was my fault you were all right i was counting links. Just got tired of counting and did not realize i was indeed counting links not the teeth. I put the paint mark on the link not the tooth.
I appreciate all your help sincerely and your patience.
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jacora
Guest
My GS1100 '83 with stock gears spins 5,000 rpm's @ 80 mph; 55 mph is 3,500 rpm's both in fifth gear.
Go to following link and download the Gear calculator spreadsheet, just plug in your number and that's it, you'll have your answers.
[FONT=arial,sans-serif][SIZE=-1]http://www.thegsresources.com/files/GS1100%20Gearing%20calculator.xls[/SIZE][/FONT]
Go to following link and download the Gear calculator spreadsheet, just plug in your number and that's it, you'll have your answers.
[FONT=arial,sans-serif][SIZE=-1]http://www.thegsresources.com/files/GS1100%20Gearing%20calculator.xls[/SIZE][/FONT]
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GQROD
Guest
Thanks, i did post a link to a calculator i used and the numbers i got to achieve the same results you have was 16/44 this would give me 84 mph @ 5520 RPM
What ratio is your bike stock ?
I know mine does not have the same torque though. So i may have to strike a balance.
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MelodicMetalGod
Guest
LOL!!! OK, that makes sense out of it all.
Don't sweat it...you should've seem me trying to read my torque wrench a couple years ago.
I totally confused foot lbs w/in lbs. Took a member pointing it out before I finally said "Doh!". 
Happens to the best of us.
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Clone
Guest
You are lugging the engine, turning it too slowly to run well at that speed. You should be in third or fourth at 40mph. I keep the revs on the 750 around 3-4grand around town, but if I need to accellerate or it bogs I drop a gear to up the revs. I switched out the sprocket on the rear to a smaller sprocket since I do a lot of highway driving and it was too buzzy around 5000 at 120km/h now it turns around 4200 and is much better.
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GQROD
Guest
Thanks Melodic i do feel bad for having such a pronounced brain fart!!
According to what i can tell i would gain 7 to 13 mph by going up to a 17 front sprocket. Don't know what my rpm will be though.
So i will talk to Rob and see if i need to go with a rear sprocket as well.
Otherwise i will order the 16 and try it.
According to what i can tell i would gain 7 to 13 mph by going up to a 17 front sprocket. Don't know what my rpm will be though.
So i will talk to Rob and see if i need to go with a rear sprocket as well.
Otherwise i will order the 16 and try it.
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GQROD
Guest
EUREKA !!!! Funny that you mention this because it is the same sound i heard when i was in my MSF class a year ago.
The instructor told us to shift to 2nd gear and the engine was lugging and all you could hear was a loud clunking sound just like a bent rod.
But in my case it happens when i get to 3500 rpm in 3rd gear, i think i did wind it out in 2nd a couple of times and still heard the same noise.
What size rear sprocket did you go down to?
I will try it again paying attention to my revs and see if it happens again
Thanks.
