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Tires for the CT1

  • pabdt
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Tires for the CT1 was created by pabdt

Looking for 3.50x18 and 3.25x18 tires.  But, not so easy to find the 3.25.  Thinking about putting a 4.00 and 3.50 on.  Anybody have a recommended place to get these?  Looking for the SR241 Shinko's. 

ANy pics out there of a 4.0 and 3.5 combo on a CT1?  I need a st tire.  GOing to bring this to CHP for st cert. 




 
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1969 Yamaha CT1 175
1969 Yamaha DT1S 250
1973 Yamaha DT3 250
1974 Yamaha DT125A
1974 Yamaha DT360A with SP96 Exhaust
*The End ... Next Up Honda XL 250.
08 Feb 2026 21:15 #1

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Replied by Pete-RT1 on topic Tires for the CT1

Tyres seem to be the one thing that's tricky for you guys in the US to get hold of compared to the UK.
I know Yambits will ship to US but they are out of stock at the moment.
I have 4.00 18 rear and 3.50 18 front on two of my CT1s and stock on the other two.
Few examples here, hope you find some.
CT1 tires - Vintage Enduro Discussions
Master Tire Thread - Vintage Enduro Discussions
Yamaha CT1-B The Greenie
Yamaha CT1-C
Yamaha CT1-C The Doppelgänger 2
Yamaha CT1-C The Doppelgänger 3
Yamaha AT1-C
Yamaha CT3 (in bits)
1980 CB250RS (The Project)
2020 Honda CB500X
The following user(s) Liked this Post: MarkT, AirborneSilva
09 Feb 2026 04:38 #2

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  • pabdt
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Replied by pabdt on topic Tires for the CT1

Thanks for the links. I ended up using Shinko's dealer locator. rockymountainatv for the win.
shinkotireusa.com/dealer-locator

Ordered up a 4.0 3.5 combo for front/back.
════════════════════════════
1969 Yamaha CT1 175
1969 Yamaha DT1S 250
1973 Yamaha DT3 250
1974 Yamaha DT125A
1974 Yamaha DT360A with SP96 Exhaust
*The End ... Next Up Honda XL 250.
The following user(s) Liked this Post: Pete-RT1
09 Feb 2026 17:52 #3

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