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Race or new age tires for a 1979 GS550E
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Race or new age tires for a 1979 GS550E
HI everyone. I am in the process of restoring my 1979 Gs550E. I have not ridden this bike in over 25 years and need to find tires for it. the front is a 3.25x19 or 100/90/19 and the rear is a 3.75x18 or 130/80/18. I am making a picture file on the complete project rebuild. i will post later. About the only matching tire set i can find in these sizes are the Avon am26 roadriders. Anyone here use these tires or have more input on them. Or dose anyone know where i can find good matching set of street/track tires in the 19 front and 18 rear i need. I know i could swap rim's but that is not what i am looking for.. Thanks..Tags: None
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35519
- Torrance, CA
100/90-19 front is good, but the widest rear you can run is 120/90-18 due to the width of the rear wheel. Road Riders are good tires, as are some others. Tire threads are very common here so you might want to look around for more recommendations.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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Can't help you with your tire selection, but a 3.75 rear is not a 130.
Doing the math, 3.75 times 25.4 equals 95.25.
The 130 or a 120 width is pretty close, depending on the actual width of your wheel, but I would stick with a 90-series, rather than the 80 that you mention. In other words, look for a 120/90-18 or a 130/90-18 for the rear. The 100/90-19 is a good choice for the front.
.sigpic
mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35519
- Torrance, CA
A 120 is already too wide for the 2.15" rear wheel. It's doable but not ideal. I wouldn't go wider still although some people do so and live to tell about it.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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Sand_fiend
The rear tire on it now is a Dunlop 130/80/18 and i have a little room for a wider tire. I don't remember why i put that tire on it back then ? thanks for the Quick replys. I will have to look more into it. I will look into the 120/90/18
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Originally posted by Sand_fiend View PostThe rear tire on it now is a Dunlop 130/80/18 and i have a little room for a wider tire.
Trying to control a wider tire with a narrow rim is like trying to control a balloon by just holding the inflation stem.
It just wobbles all over. If that's the way you want to ride, go for it, but please let us know where you are, so we know where to avoid a wobbling 550.
.sigpic
mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)
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The solution is to order the Avons in 3.25-19 front and 4.00-18 rear
That will give you the most traction and best handling1978 GS 1000 (since new)
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