Vintage and Classic Hondas

Tire size Question

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bellison80
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Tire size Question

bellison80
Hello everyone,

I am new to this forum. I have a 79cb750f super sport. My question is this. Stock sizes for the rear tire are 110/90 r18. I am wondering if anyone has put on a 120/90 r18, I am getting ready to order tires and do not want to go a size up if I wont have clearance. This is a new bike to me as of last fall. I had a 78kz 650 prior which I did a lot of work to and had it looking and running real good. The guys on the kawasaki forum were great and I am hoping for that here as well.

Thanks for your time,

Brian
Brian E
Ann Arbor Mi
Current Bike: 1979 cb750f supersport
Previous: 1978 Kz650
              1993 Yamaha Fzr600
              1978 Suzuki gs550
              1984 Honda Elite 125
TOOLS1
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Re: Tire size Question

TOOLS1
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Welcome to the forum. I do not know the metric sizes very well, but I know a 5 inch tire will fit. I doubt that a 120 would be as big as a 5 inch tire.
TOOLS
Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)
bellison80
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Re: Tire size Question

bellison80
Thanks, I believe a 120 is around 4.50 to 4.75 inches.
Brian E
Ann Arbor Mi
Current Bike: 1979 cb750f supersport
Previous: 1978 Kz650
              1993 Yamaha Fzr600
              1978 Suzuki gs550
              1984 Honda Elite 125
TOOLS1
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Re: Tire size Question

TOOLS1
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That should work then.
TOOLS
Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)
shinyribs
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Re: Tire size Question

shinyribs
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In reply to this post by bellison80
I got a 120 on the back of mine,it is the max that a SOHC will hold.I'm talking less than 1/4" clearance.The DOHC swing arm are wider I hear,though.
Piute
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Re: Tire size Question

Piute
In reply to this post by bellison80
 Welcome   Bellison
Have the kz750b ,well gave to brother ,this was the second forum I tryed but stuck with it ,Some great guys here and lots of experience with these ol classics.,get that tire on and some miles ,"O" pics would be nice...
                            1977 CB750 F2 Super Sport
<LET THOSE WHO RIDE DECIDE><RIDE TO LIVE-LIVE FOR JESUS> 
Native American from central Cal,  Kickstand UP in S.W.Missouri,
                                       
 
bellison80
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Re: Tire size Question

bellison80
Brian E
Ann Arbor Mi
Current Bike: 1979 cb750f supersport
Previous: 1978 Kz650
              1993 Yamaha Fzr600
              1978 Suzuki gs550
              1984 Honda Elite 125
Re-run
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Re: Tire size Question

Re-run
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A 120 should be just fine. I know the earlier sohc 750 were able to use a 120. the 77/78 K makes good use of a 130 tire but then it rides on spokes and not comstars, so the rims are different.
The ride IS the adventure. The destination is just to get gas!
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