Author Topic: CB750F Rider  (Read 4080 times)

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Offline calj737

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Re: CB750F Rider
« Reply #25 on: August 11, 2018, 05:05:05 pm »
You want to remove the paint on the top clamp where the bars pass through the journals. The switch pods ground to the bars, the bars to the clamps, and onto the the frame. Paint will inhibit the path and make for some resistance in the switching. Plus, the added thickness of the paint only makes it tougher to get the proper cinch on the bolts without shearing them.  :)
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline 754

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Re: CB750F Rider
« Reply #26 on: August 11, 2018, 06:20:23 pm »
 You will have to mill down the swing bracket, or change the bracket.
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Sdsbassist

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Re: CB750F Rider
« Reply #27 on: August 11, 2018, 06:24:29 pm »
Well crud.

Maybe someone will trade me....

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline SOHC4 Cafe Racer Fan

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Re: CB750F Rider
« Reply #28 on: August 12, 2018, 12:26:19 pm »
It's a rattle can with a clearcoat. Have any suggeations?

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VHT makes a Caliper paint.  Available at most auto parts stores.

My first preference is powder coat.
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Sdsbassist

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Re: CB750F Rider
« Reply #29 on: August 12, 2018, 08:19:49 pm »
Ok. So can I get a 500 or 550 one? They look identical. What years are interchangable?

Also, can I reuse the backing of the K model caliper on one from the 450, 500 or 550?

Thanks

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline 754

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Re: CB750F Rider
« Reply #30 on: August 12, 2018, 08:22:36 pm »
500 used a narrower bolt pattern and different piston.
 500 has 38 mm piston, smaller than 750.
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Sdsbassist

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Re: CB750F Rider
« Reply #31 on: August 12, 2018, 08:53:44 pm »
So has to be 75 to 76 F or A model?

Damn. Is it easier to get the larger bracket?

I'd really like to stay stock-ish

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline 754

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Re: CB750F Rider
« Reply #32 on: August 12, 2018, 09:18:49 pm »
What you listed  plus 77 and 78 750 K modelsl
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline seanbarney41

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Re: CB750F Rider
« Reply #33 on: August 13, 2018, 02:21:18 am »
Frank, are you sure that mid year k caliper won't work?  I had a 73-76 K caliper mocked up on my 75f for a while and it appeared that it would work fine.  The only reason I did not use it was because I was adding the second brake and the 73-76k calipers can't be made to work on the rh fork leg.
If it works good, it looks good...

Offline 754

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Re: CB750F Rider
« Reply #34 on: August 13, 2018, 05:20:01 pm »
It should work with the correct swing bracket,  if you want non F parts on the bike.
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Sdsbassist

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Re: CB750F Rider
« Reply #35 on: August 13, 2018, 09:27:31 pm »
 Do the models pistons interchange?
It should work with the correct swing bracket,  if you want non F parts on the bike.

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline Don R

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Re: CB750F Rider
« Reply #36 on: August 13, 2018, 09:35:59 pm »
 I double disc'd my 76 F with two stock calipers and the stock M/C and loved the stopping power. I did ruin the front tire that came on it practicing emergency stops lol. I still have a wrecked 75F backhalf and a 77 F engine I'm saving for some custom cb I may build down the road. 
No matter how many times you paint over a shadow, it's still there.
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Offline Sdsbassist

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Re: CB750F Rider
« Reply #37 on: August 13, 2018, 09:40:31 pm »
Cool.

I ended up ordering new wheel bearings, next bearings and a battery.

I figure I will stop spending cash for a bit. Try to sell some old Harley parts.

Plan on reinstalling front end, do wiring, and see if it won't try over, maybe even start for a bit. Before I get to far I wanna make sure it runs and there are no other major issues, other than the trust I've fun into.

Big thing too will be tires, wheel strip and tubes.

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline 754

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Re: CB750F Rider
« Reply #38 on: August 13, 2018, 09:46:10 pm »
I think on the smooth caliper the piston has a closed end with tge swivel bump on it.
on the finned ones caliper end is open, and the swivel piece drops into open end of the piston. 
 I think 750 smooth one may be 41 mm dia? maybe(500 uses 38mm ).... don't know what size or length the finned one uses.
 
 What kind of Harley stuff ?
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline Sdsbassist

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Re: CB750F Rider
« Reply #39 on: August 13, 2018, 09:48:32 pm »
Tank, trees, bendix carb with real nice can cleaner.

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline Sdsbassist

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Re: CB750F Rider
« Reply #40 on: August 17, 2018, 08:00:58 pm »
Lots of little progress.

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline Sdsbassist

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  • Gus, Austin, MN.
Re: CB750F Rider
« Reply #41 on: August 20, 2018, 07:16:09 am »
Hoping to hear it run this weekend.

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline Sdsbassist

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Re: CB750F Rider
« Reply #42 on: August 23, 2018, 09:21:20 pm »
Little more
...

Goodies from Benton Racing. Thanks Bill

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline Sdsbassist

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Re: CB750F Rider
« Reply #43 on: August 24, 2018, 09:12:04 pm »
This caliper situation is making me crazy. It was labeled cb500. Wasn't spaced enough. Arm looked the same so hooked it up.

When I put the tire on hits disc. I need some advice on what to get.

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline Sdsbassist

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Re: CB750F Rider
« Reply #44 on: August 25, 2018, 09:44:13 am »
Went down to the local deal for odds and ends and what was sitting out there?!

The owner heard I was fixing one up and let me ride it....

It was amazing!!!

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline Sdsbassist

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Re: CB750F Rider
« Reply #45 on: August 26, 2018, 07:48:19 pm »
Had a couple buddies over to finish things up.

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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline kap384@telus.net

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Re: CB750F Rider
« Reply #46 on: August 26, 2018, 08:11:25 pm »
Thanks for saving an 'F'.  Looking good!
1965 Honda CB450K0
1972 Honda CT70K1
1975 Honda MR50
1975 Honda CB400F Supersport
1977 Honda CB750F2 Supersport
1978 Honda XL100
1979 Honda CBX Supersport
1982 Honda VF750S Sabre - Adventure Bike modified
1983 Honda CX650T
1995 Honda VFR750
2016 Honda CRF1000L Africa Twin
2015 KTM 200 XC-W
1963 Suzuki T10
My 1977 CB750F restoration - http://forums.sohc4.net/index.php?topic=66779.0
My 1975 CB400F restoration -
http://forums.sohc4.net/index.php?topic=145196.msg1651779#msg1651779
'More Stock Than Not' thread - http://forums.sohc4.net/index.php?topic=90807.500
My CT70 Resurrection - http://forums.sohc4.net/index.php?topic=145221.0
Best Motorcycle Tool Ever - https://www.engduro.com