Author Topic: Are original tires worth anything?  (Read 2277 times)

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Offline Doobie

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Are original tires worth anything?
« on: June 12, 2023, 03:31:01 PM »
I bought a CB750K6 with only 3600 miles on the original Bridgestone tires.  The tires are not useable but they're in excellent condition and would look great on a restoration/show bike/museum piece. Now I'm wondering if they're worth anything because they're no longer made. What do you think?
You only go around once in life so it might as well be on a motorcycle.

CB550K4
CB750K2
CB750K2
CB750K6
CB750K6
CB750K7
CB750F3
CB900F2

Offline RAFster122s

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Re: Are original tires worth anything?
« Reply #1 on: June 12, 2023, 04:29:59 PM »
Contact Barber MC museum and ask them…
David- back in the desert SW!

Offline CycleRanger

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Re: Are original tires worth anything?
« Reply #2 on: June 12, 2023, 04:38:54 PM »
Heh, I've got an original '73 Bridgestone Super Speed with a little tread left.
Still on the rim.  ;D


Huh, so googling around a bit apparently there are some folks out there who might want vintage tires for display bikes but they don't appear to pay much for them.
« Last Edit: June 12, 2023, 04:44:57 PM by CycleRanger »
Do you have a copy of the Honda Shop Manual or Parts List for your bike? Get one here:
https://www.honda4fun.com/materiale/documentazione-tecnica
CB750K5        '79 XL250s     CL350K3
CB750K3        '76 XS650      '76 CJ360T

Offline jlh3rd

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Re: Are original tires worth anything?
« Reply #3 on: June 12, 2023, 04:56:10 PM »
my original tires on my '75 550F are priceless to me.........but I'm sure they aren't "worth" much...

maybe makes a bike worth more than the sum of its parts....

barber, good idea...


Offline Doobie

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Re: Are original tires worth anything?
« Reply #4 on: June 13, 2023, 02:12:11 AM »
Huh, so googling around a bit apparently there are some folks out there who might want vintage tires for display bikes but they don't appear to pay much for them.

That's what I wanted to know, thanks.
You only go around once in life so it might as well be on a motorcycle.

CB550K4
CB750K2
CB750K2
CB750K6
CB750K6
CB750K7
CB750F3
CB900F2

Offline Shtonecb500

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Re: Are original tires worth anything?
« Reply #5 on: June 13, 2023, 05:48:02 AM »
I have original tires on my 500 k0 with no dry rot- just put 414 miles on them so far this season. I left them on in case a collector wants them. I should just pull the wheels and pop replacement wheels on for the time being.

Anyway, I’m wondering the SAME THING.
73/74'' CB500/550 resto-mod - sold
75' 750f 91' cbr f2 swap cafe - mock up
74' 750 chopper hardtail - complete - sold
74' CB750/836kit - Black mix & match - daily rider - always tweaking
71' cb500 K0 survivor - complete
71' K1 - CANDY GOLD/BROWN Winton kit - in process

Online rocket johnny

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Re: Are original tires worth anything?
« Reply #6 on: June 13, 2023, 09:04:27 AM »
i'd really like to see some photos of your low milo  k-6       thanx !

Offline simon#42

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Re: Are original tires worth anything?
« Reply #7 on: June 13, 2023, 09:45:33 AM »
I have original tires on my 500 k0 with no dry rot- just put 414 miles on them so far this season. I left them on in case a collector wants them. I should just pull the wheels and pop replacement wheels on for the time being.

Anyway, I’m wondering the SAME THING.



from memory those tyres were rubbish when they were new , they must be truly awful now

Offline Doobie

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Re: Are original tires worth anything?
« Reply #8 on: June 13, 2023, 09:47:46 AM »
i'd really like to see some photos of your low milo  k-6       thanx !

You only go around once in life so it might as well be on a motorcycle.

CB550K4
CB750K2
CB750K2
CB750K6
CB750K6
CB750K7
CB750F3
CB900F2

Online PeWe

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Re: Are original tires worth anything?
« Reply #9 on: June 13, 2023, 10:25:38 AM »
All labels are interesting on such untouched bike. Which ones and where placed.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline jlh3rd

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Re: Are original tires worth anything?
« Reply #10 on: June 14, 2023, 03:49:36 AM »
I have original tires on my 500 k0 with no dry rot- just put 414 miles on them so far this season. I left them on in case a collector wants them. I should just pull the wheels and pop replacement wheels on for the time being.

Anyway, I’m wondering the SAME THING.

I'd be curious to know the date code on the tire...

Offline Quattrocilindri

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Re: Are original tires worth anything?
« Reply #11 on: June 14, 2023, 05:38:41 AM »
Interesting post.
 I kept my original Bridgestone tires and tubes, with less than 3000 miles on them on my 350F. I bought the bike 3 years ago, and those tires and tubes still held air in fine after all this time. I replaced them with a set of same size Duros that have the same thread pattern, and I am OK with them on.
I kept them for mostly bragging rights to give to the new owner if I sell the bike.....

Offline Shtonecb500

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Re: Are original tires worth anything?
« Reply #12 on: June 14, 2023, 06:58:26 AM »
I have original tires on my 500 k0 with no dry rot- just put 414 miles on them so far this season. I left them on in case a collector wants them. I should just pull the wheels and pop replacement wheels on for the time being.

Anyway, I’m wondering the SAME THING.

I'd be curious to know the date code on the tire...

it says feb of 1971

currently rebuilding two front wheels to put new rubber on and will pull off the original wheels - prolly pull the original sprockets and chain as well if i end up keeping the bike.
« Last Edit: June 14, 2023, 07:05:22 AM by Shtonecb500 »
73/74'' CB500/550 resto-mod - sold
75' 750f 91' cbr f2 swap cafe - mock up
74' 750 chopper hardtail - complete - sold
74' CB750/836kit - Black mix & match - daily rider - always tweaking
71' cb500 K0 survivor - complete
71' K1 - CANDY GOLD/BROWN Winton kit - in process

Offline Don R

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Re: Are original tires worth anything?
« Reply #13 on: June 14, 2023, 08:35:43 AM »
 I kept the original 7,000 mile front tire off of my sandcast. It had a big old lump from sitting flat but I rode it around the neighborhood.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline jlh3rd

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Re: Are original tires worth anything?
« Reply #14 on: June 14, 2023, 11:38:00 AM »
I have original tires on my 500 k0 with no dry rot- just put 414 miles on them so far this season. I left them on in case a collector wants them. I should just pull the wheels and pop replacement wheels on for the time being.

Anyway, I’m wondering the SAME THING.

I'd be curious to know the date code on the tire...

it says feb of 1971

currently rebuilding two front wheels to put new rubber on and will pull off the original wheels - prolly pull the original sprockets and chain as well if i end up keeping the bike.

nice...the US 500 KO was released in 6/01/71......THE original tire .....
If the chain does not have a master link....It is probably the original  chain.....at least for the '75-'76 US 550F's, I know that is a fact.....check the owner's manual...

Offline Shtonecb500

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Re: Are original tires worth anything?
« Reply #15 on: June 14, 2023, 04:06:31 PM »
ya there is no master
73/74'' CB500/550 resto-mod - sold
75' 750f 91' cbr f2 swap cafe - mock up
74' 750 chopper hardtail - complete - sold
74' CB750/836kit - Black mix & match - daily rider - always tweaking
71' cb500 K0 survivor - complete
71' K1 - CANDY GOLD/BROWN Winton kit - in process

Offline jlh3rd

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Re: Are original tires worth anything?
« Reply #16 on: June 14, 2023, 05:57:21 PM »
that is an original chain.....it's called an endless chain..factory equipped.....most ended up with a link peened out and a master put in.....way much easier to remove a rear tire and patch a rear tube .....

Offline ekpent

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Re: Are original tires worth anything?
« Reply #17 on: June 15, 2023, 07:35:19 AM »
My 1971 Suzuki T500 still has the original tires also and are in good condition cosmetically but wouldn't want to go cross country. What makes these kind of special is they used a "redline" tire on these back in the day. Bike shows 2291 miles. Would definitely save them if I ever take them off.

Offline jlh3rd

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Re: Are original tires worth anything?
« Reply #18 on: June 15, 2023, 09:23:23 AM »
didn't know that...now i do....
nice...

Online PeWe

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Re: Are original tires worth anything?
« Reply #19 on: June 15, 2023, 11:42:51 AM »
Good looking Suzuki, Eric.
Tires must be hard to remove.
I had to saw my old rear tire off my K6 it got 1988, removed 2010, 2011.

A tire shop with pro tools make it quicker I suppose.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline CycleRanger

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Re: Are original tires worth anything?
« Reply #20 on: June 15, 2023, 02:01:11 PM »
Good looking Suzuki, Eric.
Tires must be hard to remove.
I had to saw my old rear tire off my K6 it got 1988, removed 2010, 2011.

A tire shop with pro tools make it quicker I suppose.

Been there. This was off the front of my K5 when I got it. Rim cleaned up ok.
I'm working on my CL350 now and I expect to have to do the same with those tires.
Do you have a copy of the Honda Shop Manual or Parts List for your bike? Get one here:
https://www.honda4fun.com/materiale/documentazione-tecnica
CB750K5        '79 XL250s     CL350K3
CB750K3        '76 XS650      '76 CJ360T

Online Stev-o

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Re: Are original tires worth anything?
« Reply #21 on: June 15, 2023, 02:25:34 PM »
My 1971 Suzuki T500 still has the original tires also and are in good condition cosmetically but wouldn't want to go cross country.

I love that Suzi, Eric, would love to have that in my garage.  Is it a runner?  Ride it down, those tires are fine!!
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline MauiK3

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Re: Are original tires worth anything?
« Reply #22 on: June 15, 2023, 03:39:38 PM »
Love the T500
Back in the day my best friend and I did a heat run from Jacksonville, Fla to Northern California and back, he was on his 500 and I was on my K1 750. Great trip, no breakdowns at all in spite of some pretty bad weather in a few places.
1973 CB 750 K3
10/72 build Z1 Kawasaki