Author Topic: Need to order tires for 750k4 -____-  (Read 2004 times)

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Offline killersoundz

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Need to order tires for 750k4 -____-
« on: June 02, 2012, 05:26:26 PM »
Time to get my chassis rollin'. I'm looking to come in under $180 on a pair of tires. I'd be more happy with like $150 or something. I'll have to pay for mounting and balancing too, shucks.

Anyways I've come to the conclusion that the closest sizes to the stock tires, or at least the ones I'll be shopping for are 90/90/19 or 100/90/19 up front and 110/80/18 or 110/90/18 in the rear. I think actually a 100 would be more equivalent stock size in the rear but a 110 isn't much of a stretch.

I really like the look of vintage looking tires like the Avon speedmaster rib and Avon SM Mark II, then theres the Dunlop K81 and K70's,  but I do actually want to ride the bike and I don't think those kind of 'old school' tires are exactly top performers. You can tell me I'm wrong

I'm also looking at the Bridgestone S11's or the BT-45's. At the high end of my price range may be some Avon road riders. I'll still have to purchase tubes too

Help me out!

My project thread:

http://forums.sohc4.net/index.php?topic=107447.0

My CB750K4 Starting up for the first time after a seized motor and rebuild!


Offline Roach Carver

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Re: Need to order tires for 750k4 -____-
« Reply #1 on: June 02, 2012, 05:45:18 PM »
I bought conti gos. They come in 3.25 front and 4.0 rear. Very good tires with as close to stock profile/ size as you can get. Thats my recomendation.

Offline tlbranth

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Re: Need to order tires for 750k4 -____-
« Reply #2 on: June 02, 2012, 05:59:19 PM »
  but I do actually want to ride the bike and I don't think those kind of 'old school' tires are exactly top performers. You can tell me I'm wrong

You're wrong. I have K70's on my 750K0 and they handle just fine.
Don't own a Vanagon
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1970 CB750 K0
1975 GL1000
1999 GL1500
2002 VT750-CDA ACE - Momma's bike
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Offline killersoundz

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Re: Need to order tires for 750k4 -____-
« Reply #3 on: June 02, 2012, 07:00:53 PM »
I bought conti gos. They come in 3.25 front and 4.0 rear. Very good tires with as close to stock profile/ size as you can get. Thats my recomendation.

Those really blow through my budget a little bit. Do you have a pic of your bike with them on? Always want to see what the tread looks like on a bike
My project thread:

http://forums.sohc4.net/index.php?topic=107447.0

My CB750K4 Starting up for the first time after a seized motor and rebuild!


Offline BeSeeingYou

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Re: Need to order tires for 750k4 -____-
« Reply #4 on: June 02, 2012, 07:21:41 PM »
Spitfires...best bang for the buck.  I put 100/90/19 and 110/90/18 on my 76F1.  Dennis Kirk had the best price on them...under 140 from what I remember.

Offline Stev-o

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Re: Need to order tires for 750k4 -____-
« Reply #5 on: June 02, 2012, 07:39:10 PM »
Just put BT45's on my K4 recently, great tires. Went with the 120/90 on the back.

+1 Dennis Kirk has free shipping and no tax if don't live in their state. 


https://www.denniskirk.com/bridgestone/rear-battlax-bt45h-110-90h-18-blackwall-tire.p540156.prd/540156.sku
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

orange550

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Re: Need to order tires for 750k4 -____-
« Reply #6 on: June 02, 2012, 07:44:23 PM »
I have k70s on my 550 and I like them just fine. No handling issues at all. Nice and sticky for me.

BTW - I don't really consider the K70s to be super old school tires like the firestones or vintage cokers.
« Last Edit: June 02, 2012, 07:47:23 PM by orange550 »

Offline Roach Carver

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Re: Need to order tires for 750k4 -____-
« Reply #7 on: June 02, 2012, 07:53:02 PM »
I got mine from chapparal motorsports for about 150/160 I think. I put a set on a bmw too. So far theyve been great.

Offline killersoundz

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Re: Need to order tires for 750k4 -____-
« Reply #8 on: June 02, 2012, 07:53:23 PM »
Just put BT45's on my K4 recently, great tires. Went with the 120/90 on the back.

+1 Dennis Kirk has free shipping and no tax if don't live in their state. 


https://www.denniskirk.com/bridgestone/rear-battlax-bt45h-110-90h-18-blackwall-tire.p540156.prd/540156.sku

How's the 120/90 on that rim? Does it appear to distort the profile of the tire too much?
My project thread:

http://forums.sohc4.net/index.php?topic=107447.0

My CB750K4 Starting up for the first time after a seized motor and rebuild!


Offline Stev-o

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Re: Need to order tires for 750k4 -____-
« Reply #9 on: June 02, 2012, 07:59:39 PM »
The 120/90 looks good. A lot of guys may tell you not to do though. My K4 is not a daily rider and I'll be lucky if I put 2K miles on it, so the odd wearing of the tire will not be an issue for some time. And don't get an 80 series tire, too low.  I bought one cuz it was priced right and did not like the look one bit, sent it back.
You'll be happy with the BT's.
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline Roach Carver

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Re: Need to order tires for 750k4 -____-
« Reply #10 on: June 02, 2012, 08:01:02 PM »
http://www.chaparral-racing.com/Product/continental-go!-sport-touring-rear-tire/329-0320.aspx


75 and 90. I think I got them on sale. Anyway, ive used the.spitfires and like them also. My one complaint is.that i am not a.fan of the central groove on the front. They are fine tires though. Sorry for all the periods. Cell phone post..... Ill get you some pics tomorrow.

Offline killersoundz

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Re: Need to order tires for 750k4 -____-
« Reply #11 on: June 02, 2012, 08:09:34 PM »
Thanks for all the considerations guys, I think i'll just take the BT45's in 100/90/19 and 110/90/18, will see how those work out.
My project thread:

http://forums.sohc4.net/index.php?topic=107447.0

My CB750K4 Starting up for the first time after a seized motor and rebuild!


Offline CB750wannabe

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Re: Need to order tires for 750k4 -____-
« Reply #12 on: June 03, 2012, 05:44:26 AM »
FYI - I got a set of BT45's at Motorcycle Superstore last week for $176/free ship.  Within your budget - may be worth checking out.  Good luck.
1971 CB750K Candy Garnet Brown
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1975 CB550 K1 Candy Jade Green

Offline Johnie

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Re: Need to order tires for 750k4 -____-
« Reply #13 on: June 03, 2012, 05:53:18 AM »
Here is a pic of the Conti's. Very happy with them.
1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline DJ_AX

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Re: Need to order tires for 750k4 -____-
« Reply #14 on: June 03, 2012, 05:55:38 AM »
I got Dunlop 404s ... 100/90/19 and 110/90/18 from Bike Bandit. $156.00
I'm very happy with them. Sticky rubber... nice round profile.

No more treads riding in the surface grooves of the road. (Cheng Shins) :P
~ Vincent . . . '75 CB750 K5 . . . '97 BMW r1100rt . . . had; '75 CB550 K1 (sold) . . .  '73 CB350G (gifted) HELL YEAH!
Disclaimer: I could be wrong. :)

Offline killersoundz

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Re: Need to order tires for 750k4 -____-
« Reply #15 on: June 03, 2012, 09:09:06 AM »
Any inner tube recommendations? If you didn't have exact size to choose you would go the next closest size up right? I mean same wheel size just talking like 110 or 120
My project thread:

http://forums.sohc4.net/index.php?topic=107447.0

My CB750K4 Starting up for the first time after a seized motor and rebuild!


Offline Stev-o

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Re: Need to order tires for 750k4 -____-
« Reply #16 on: June 03, 2012, 09:29:00 AM »
I think the tubes I bought were Kendras for about $13. Didn't feel the need for Bridgestone at nearly double the price. 
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline killersoundz

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Re: Need to order tires for 750k4 -____-
« Reply #17 on: June 03, 2012, 06:27:28 PM »
I'm hung up on whether to order the 110/90/18 or the 110/80/18 for the rear. The 80 is only about 1/2" shorter sidewall than the 90. I kind of like the idea of a slightly lower profile on the rear. I have 3/4" shorter shocks installed on the bike and I'm lowering the forks to keep the bike level. Thoughts?
My project thread:

http://forums.sohc4.net/index.php?topic=107447.0

My CB750K4 Starting up for the first time after a seized motor and rebuild!