Cb750f wheels on 1980 cb750k

[Griffin]

So my stock wheels are too rusty for me to mess with and I need new tires. I found the cb750f came with dual disk brakes on the front and an 18 inch rear wheel.

Here's the question. I'm finding some 77-78 cb750f wheels and forks on eBay. Does anyone know if they are direct swaps to the 1980 cb750k?  Can I use my axles and rear drum brake?  Or do I have to get the wheels and forks from a matching year?

[Griffin]

I see now the rear wheel on the f model was also disk brakes.  That means figuring out how to mount the caliper and so on. Still googling....

[TOOLS1]

The front is a bolt on deal, and the rear will be pretty easy if you get all the brake parts with the wheel. You will just need to fabricate a tab on the swingarm for the brake stay rod, and fab mounts for the master cylinder.
TOOLS

[Griffin]

Thanks!

I believe there is a brake stay rod connected to the drum. I wonder if the stay bar is longer for the caliper mount. Seems like the same swingarm was used for both models.

This seems like a great solution. I found just about everything I think is needed for the front and rear for under 600.

[Griffin]

So the brake stay on the K swingarm is in the bottom and the F is on top. Thinking about buying the F swingarm, then I just need to mount the cup and master cylinder somewhere. Plan to start ordering parts Wed.

I got her titled as an antique on Friday. In Delaware that means I never have to get it inspected again. Already started taking parts off.

[Griffin]

Hey Tools,

Would you mind looking at these for me.
http://www.ebay.com/itm/231842989937?item=231842989937&viewitem=&vxp=mtr

It says 1980 cb750f but the bottoms look strange to me.  Would those forks work with either the K model axle of the same year off my bike and this wheel http://www.ebay.com/itm/262297218533?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT or even the axle that comes with that wheel?

[TOOLS1]

Those forks are off a "C" model. You could put that wheel on, but you will need the axle and brake parts that go with the forks. You could do better.
TOOLS

[Griffin]

Ah I thought something looked strange! If you don't mind what do you think of these? http://www.ebay.com/itm/1979-Honda-CB750F-Supersport-OEM-Front-Forks-Set-2-/272146443580 with the same wheel.  That wheel looks pretty nice right?

Brakes seem to be difficult to find too.  I found a few that look pretty rough.  http://www.ebay.com/itm/1979-Honda-CB750F-Left-Right-Front-Brake-Caliper-and-Hoses-Used-3730-/262296884332 and http://www.ebay.com/itm/Honda-Cb750F-Front-Brake-Calipers-Master-And-Lever-/162000495239

Bid on the later but his reserve must be over a hundred.  Buy it now is 130. I think I'd be better holding out for a nicer pair of just the calipers then purchasing a braided hose set with an aftermarket master cylinder. I have no idea how often this stuff comes up or what the average price of anything is. Just trying not to buy the wrong stuff or the right stuff at a bad price. There's a motorcycle salvage yard about 45 minutes from me I may try to get up there soon too. 

I'm sure I can break them down, clean, rebuild and repaint them as long as they aren't broken.

Thanks for all your help. I hope I'm not taking advantage of your expertise! 

On Mon, Mar 14, 2016 at 4:40 PM, TOOLS1 [via Honda CB750'S] <[hidden email]> wrote:

Those forks are off a "C" model. You could put that wheel on, but you will need the axle and brake parts that go with the forks. You could do better.
TOOLS

Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)

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[Griffin]

Well check this out. Forks, wheels, and maybe callipers 1980 Honda cb 750 for $350.

http://southjersey.craigslist.org/mpo/5440123642.html

On Mar 14, 2016 5:06 PM, "Dave Arnold" <[hidden email]> wrote:

Ah I thought something looked strange! If you don't mind what do you think of these? http://www.ebay.com/itm/1979-Honda-CB750F-Supersport-OEM-Front-Forks-Set-2-/272146443580 with the same wheel.  That wheel looks pretty nice right?

Brakes seem to be difficult to find too.  I found a few that look pretty rough.  http://www.ebay.com/itm/1979-Honda-CB750F-Left-Right-Front-Brake-Caliper-and-Hoses-Used-3730-/262296884332 and http://www.ebay.com/itm/Honda-Cb750F-Front-Brake-Calipers-Master-And-Lever-/162000495239

Bid on the later but his reserve must be over a hundred.  Buy it now is 130. I think I'd be better holding out for a nicer pair of just the calipers then purchasing a braided hose set with an aftermarket master cylinder. I have no idea how often this stuff comes up or what the average price of anything is. Just trying not to buy the wrong stuff or the right stuff at a bad price. There's a motorcycle salvage yard about 45 minutes from me I may try to get up there soon too. 

I'm sure I can break them down, clean, rebuild and repaint them as long as they aren't broken.

Thanks for all your help. I hope I'm not taking advantage of your expertise! 

On Mon, Mar 14, 2016 at 4:40 PM, TOOLS1 [via Honda CB750'S] <[hidden email]> wrote:

Those forks are off a "C" model. You could put that wheel on, but you will need the axle and brake parts that go with the forks. You could do better.
TOOLS

Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)

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[TOOLS1]

That's the way to go. The titled frame is worth $150.00
TOOLS

[Griffin]

Thanks man! I'm picking it up tonight and ordered all 3 calipers from a guy on ebay off a 79 F model. Also ordered an aftermarket rear master cylinder that I think will work. Ordering a new aftermarket front master cylinder as well probably this one http://www.amazon.com/Front-Hydraulic-Master-Cylinder-Cb650sc/dp/B00D0MSX36/ and a steal braided hose kit maybe this one http://www.amazon.com/1979-1980-Supersport-GALFER-BRAIDED-STAINLESS/dp/B00WJDTZOS/.

It's coming together nicely!

On Mon, Mar 14, 2016 at 7:00 PM, TOOLS1 [via Honda CB750'S] <[hidden email]> wrote:

That's the way to go. The titled frame is worth $150.00

TOOLS

Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)

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