Yamaha SR500 & SR400 Forum

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 Post subject: Re: new tires.
PostPosted: Tue Nov 03, 2015 4:08 pm 
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Esteemed SR Elder

Joined: Thu Oct 03, 2013 2:01 pm
Posts: 3134
Location: South Central Wisconsin, USA
I changed to a new 712 120/90x18 in my driveway last spring with 8" tire irons.
Let the new tire sit in the sun while you do the unbuckle of the old one. Really, the hardest part was breaking the bead on the OEM but I have a vintage bead breaker so even that wasnt bad for me. I suggest you check online for the leverage vids using, say a block and 2x4 under a truck bumper, or such.
It is one stiff tire, but went on decent with some dish soap & water slickum. I had to deflate for the side that didnt seat to the truing ring on the first go, break it down off the rim on that side, 're-lube' then re-inflate. Takes a fair bit of pressure to get to seat.
I just went out and weighed the extra new 712 I have of that size, it goes 14#.

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1981 SR500 old school 'Caff Racer'
2009 Suzuki TU250X
In all things maintain thy uprightness lest the ground rise up and smite thee.


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 Post subject: Re: new tires.
PostPosted: Tue Nov 03, 2015 5:41 pm 
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Joined: Sat Jan 10, 2015 11:00 pm
Posts: 76
Location: California
Thank you so much for weighing the tire, I appreciate you! It's not 30 lbs after all. I might pick up a set of 712s soon!

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'15 SR400


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 Post subject: Re: new tires.
PostPosted: Tue Nov 03, 2015 6:00 pm 
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Esteemed SR Elder

Joined: Thu Oct 03, 2013 2:01 pm
Posts: 3134
Location: South Central Wisconsin, USA
Ive put close to 1500 miles on that tire on the TU and it handles and sticks fine, corners with confidence and the transition from straight up to as far down as I dare lean has been seamless. Cant speak to the wet specifically with it but the compound does not seem overly hard to me so I expect that with normal sensible precautions in the wet it would be fine. My plan was to put the extra one on the SR next spring.
IMO, if you want to get a little gear up effect go to the 120/90, otherwise do the 110/90 rear.
BTW, I am interested in the real weight of the BT also.

_________________
1981 SR500 old school 'Caff Racer'
2009 Suzuki TU250X
In all things maintain thy uprightness lest the ground rise up and smite thee.


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 Post subject: Re: new tires.
PostPosted: Tue Nov 03, 2015 8:20 pm 
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Esteemed SR Elder

Joined: Thu Oct 03, 2013 2:01 pm
Posts: 3134
Location: South Central Wisconsin, USA
Warlo, I checked on Amazon, the weight closer to mine is listed as 14.1 in the 'additional information' column; aint got a clue where they came up with 30 in the other.

_________________
1981 SR500 old school 'Caff Racer'
2009 Suzuki TU250X
In all things maintain thy uprightness lest the ground rise up and smite thee.


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