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tire size

T

tom203

Forum Guru
Past Site Supporter
Without perusing tire charts, anyone have a gut feeling about how much wider a 140-90 -16 tire would be compared to 130-90- 16; tire is a Conti Blitz ?
 
Your next question should be "will it fit my bike?" or "should I install it on my bike?"

The answer to both of those would be "NO". :eek:

Motorcycle tires work a bit differently than car tires. the 140 tire needs a wider rim to properly support it. If you install it on the rim on your 650, it will be pinched into a tighter radius, which will give you a SMALLER footprint on the pavement.

It might look "cool", but will not work as well as a properly-sized tire. :o

.
 
People talk about 130 being the proper size for GS bikes with 2.5" wide rear wheels. The 650 rear wheel is 2.75" wide so I don't think a 140 will cause problems due to the sidewalls pinching in, although I'm not sure if there is clearance in the swingarm.
 
IIRC, stock tires worked out to be 120/90. There was not a whole lot of clearance to the swingarm when I mounted a 130 on my 650GD, but it has a 17" rim vs the 16 on the GL. I'll try to get a measurement/pictures for you when I get home, Tom.
 
BigD_83 said:
IIRC, stock tires worked out to be 120/90. There was not a whole lot of clearance to the swingarm when I mounted a 130 on my 650GD, but it has a 17" rim vs the 16 on the GL. I'll try to get a measurement/pictures for you when I get home, Tom.
Click to expand...

Stock size tire was a 130 on the GL w/16" wheel.
 
Oh...really? Thank you. I did not know that. One more difference between the Gs and Ls of which I am now aware.
 
Nessism said:
People talk about 130 being the proper size for GS bikes with 2.5" wide rear wheels. The 650 rear wheel is 2.75" wide so I don't think a 140 will cause problems due to the sidewalls pinching in, although I'm not sure if there is clearance in the swingarm.
Click to expand...
Yes, swingarm clearance under harsh conditions (bumpy road on right turn) would be my worry with the wider 140. I'll stick to what I got as it works well . Don't need it yet anyway, as my tires look good BUT they are getting old!
 
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