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Author Topic: 1972 CB750 Four K2 -- Rebuilt to NEW OLD STOCK -- PIX ON PAGE 50  (Read 245635 times)

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Offline 754

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #650 on: September 03, 2014, 11:48:24 PM »
It was marked R2, lift is. 285, and. 301..... Not sure of year..
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #651 on: September 05, 2014, 07:06:46 PM »
Quote from: 754 on September 03, 2014, 11:48:24 PM
It was marked R2, lift is. 285, and. 301..... Not sure of year..
Its pre K3! so its gonna go great with the head getting reworked by JMR  8)
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #652 on: September 05, 2014, 07:10:14 PM »
Some progress this evening, followed the caveman approach to installing bearing races, won't describe here for that reason. Did the stacked height measurement, will be going with the thin spacer for the lower.
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #653 on: September 05, 2014, 07:18:50 PM »
Did some digging, asking around etc. and decided to do one wrap with rubber tape (instead of electrical tape that disintegrates over time). The rim band looked pathetic on its own, hopefully the tape will provide a better seal/seat. Had some excellent pointers from Jerry h on how to mount the tires, so dove right in and quickly realized I'm still not physically well enough to do it. So called in a favor, had my local autoshop mount the tires in no time. Wheels are ready, just waiting on some sanding and polishing supplies to arrive to complete the last two pieces on the rear wheel.
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Offline goldarrow

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #654 on: September 05, 2014, 08:04:30 PM »
Some sacrifices were made



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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

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CB750 K0, K2, K23 JDM, K45, K5
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #655 on: September 05, 2014, 08:44:58 PM »
Thanks gold dude! You're a life saver, PM incoming.
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Offline goldarrow

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1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #656 on: September 05, 2014, 08:47:23 PM »
Quote from: edwardmorris on September 05, 2014, 08:44:58 PM
Thanks gold dude! You're a life saver, PM incoming.

And those screws are more rare than 8 bolts, be costly! ;)
« Last Edit: September 06, 2014, 08:49:12 AM by goldarrow »
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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

CB550 K0
CB750 K0, K2, K23 JDM, K45, K5
And the little ones z50r, xr50r, st90


750k5 http://forums.sohc4.net/index.php?topic=114817.0

Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #657 on: September 06, 2014, 05:14:47 PM »
Another piece done and wrapped up. One of the tricky ones. El cheapo kit from e-bay, no match for a wheel, but adequate for one of the least visible parts on the bike. Pic in somewhat better lighting.
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #658 on: September 06, 2014, 08:27:37 PM »
Sprayed the undersides of the fenders with a $2 chrome rattle can  ::) The nice rubberized undercoating just wasn't feeling right :P Steering stem got a nice finish with the VHT caliper paint.
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #659 on: September 07, 2014, 05:23:20 PM »
So this is done, just about have all the pieces to get a roller going. Head may be a few days before it makes its way back so I might just assemble the top end in-frame.
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #660 on: September 08, 2014, 05:06:09 PM »
Cooling fin inserts made by Joe/FrankenFrankestuff, or as I like to call them, Franken Finserts arrived today!
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Offline Tews19

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #661 on: September 08, 2014, 05:08:11 PM »
Rafi are you selling Molly pills? ?????
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Offline MCRider

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #662 on: September 08, 2014, 05:39:12 PM »
Quote from: edwardmorris on September 08, 2014, 05:06:09 PM
Cooling fin inserts made by Joe/FrankenFrankestuff, or as I like to call them, Franken Finserts arrived today!
Yeah, he started making those shortly after I'd dished out big bucks for a set of OEMs!   :(
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1988 NT650 HawkGT;  1978 CB400 Hawk;  1975 CB750F -Free Bird; 1968 CB77 Super Hawk -Ticker;  Phaedrus 1972 CB750K2- Build Thread
"Sometimes the light's all shining on me, other times I can barely see, lately it appears to me, what a long, strange trip its been."

Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #663 on: September 08, 2014, 08:38:43 PM »
Quote from: MCRider on September 08, 2014, 05:39:12 PM
Quote from: edwardmorris on September 08, 2014, 05:06:09 PM
Cooling fin inserts made by Joe/FrankenFrankestuff, or as I like to call them, Franken Finserts arrived today!
Yeah, he started making those shortly after I'd dished out big bucks for a set of OEMs!   :(
That's the thread that led me to them ;) Gotta love the search function  ;D
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #664 on: September 08, 2014, 08:41:14 PM »
Love, Hate or don't care input on these two psychedelic colors please people, which set do you guys think would look better? Yellow on the left is more vibrant, Clear/Blue on the right is less so, but close to the carb bodies' iridescent finish.
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Offline SOHC4 Cafe Racer Fan

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #665 on: September 08, 2014, 09:29:50 PM »
Quote from: edwardmorris on September 08, 2014, 08:41:14 PM
Love, Hate or don't care input on these two psychedelic colors please people, which set do you guys think would look better? Yellow on the left is more vibrant, Clear/Blue on the right is less so, but close to the carb bodies' iridescent finish.

Clear/Blue
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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)
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"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)

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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
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Offline Terry in Australia

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #666 on: September 10, 2014, 01:26:41 AM »
Quote from: CB750 Cafe Racer Fan on September 08, 2014, 09:29:50 PM
Quote from: edwardmorris on September 08, 2014, 08:41:14 PM
Love, Hate or don't care input on these two psychedelic colors please people, which set do you guys think would look better? Yellow on the left is more vibrant, Clear/Blue on the right is less so, but close to the carb bodies' iridescent finish.

Clear/Blue

+1 Rafi, looks much nicer in my opinion. You're doing great work mate, give yourself a pat on the back. What tires are you using? Cheers, Terry. ;D
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #667 on: September 10, 2014, 07:55:39 AM »
Terry!  ;D ;D Its decided then, uncle Tez says blue, so it shall be  :P The yellow set will go on my spare set and eventually on sale (project treasury is behind now :o)

I went with Conti Twins Terry, for the sake of a more close to stock look, and this bike will be a straight line rider (at least while its still all shiny ;)).

Minor set back yesterday, was putting the gauges back together and noticed that the gauge lenses have scratches that were hidden behind the road film? Blatantly visible after cleaning :( To make things worse, I'm regretting not buying a set of crimp rings when I bought the new faces from LeCram. I had the old ones replated with the rest of the chrome parts, waste of time. As soon as I started crimping them, the chrome scratched up and fell back into the housing somehow ugh. Ordered new rings (DAMN these are pricey!) last night, will have to get back to the gauges later.
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #668 on: September 10, 2014, 10:16:38 PM »
Follow up question. Which set should I go with?

Pic 1 is the 657As that were on the bike but with franken parts. I now have all the correct parts (ALMOST) from James/harisuluv and Bill Benton to get that set together and workable. The bodies are nice and clean on the outside, some corrosion in the bowl area. Correct for later K2s.

Pic 2 is the 7As set I bought form Bill, had a few franken pieces but pretty much complete now (thanks again, James). The bowl areas are immaculate, but bodies #1 and #4, the two most visible ones have corrosion on them on the outsides :( This is actually the correct set for the super early K2s (mine).
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #669 on: September 10, 2014, 10:20:00 PM »
Had very little time today, so tackled the last two bearing that needed removal. Clutch lifter plate and the counter shaft end cover. The clutch lifter bearing simply fell out, no heat or effort of any kind. Is this good or bad? The CS cover, I just toasted it with a heat gun raised off the floor and it fell out. These will be getting new SKFs.
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #670 on: September 12, 2014, 10:09:52 AM »
No input on the carb bodies  :(?
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Offline jerry h

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #671 on: September 12, 2014, 04:11:35 PM »
How early is your bike again?   Mine has 657A's  (2/72  2022907 vin)

Personally,  I'd go with which ever set is in the best condition overall to give you a good running bike.  In reality, when the bike is all back together, you only see a fraction of the carbs anyway.
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Offline Terry in Australia

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #672 on: September 12, 2014, 05:25:09 PM »
+1 Rafi, and don't think it won't be original if you do, Honda tended to use whatever they had in their parts bins when they made these things, so there are lots of bikes from one model with parts from another model straight from the factory.

For example, Marcel (LeCram) bought a K0 that came from the factory with K1 speedo and tach, because by late in the K0 model run, they'd run out of K0 gauges.

And there's nothing wrong with those Conti tires mate, I put them on my bikes back in the day, and they crapped all over the factory Bridgestone's of the era, they were terrible! Good work mate, keep going, I'm impressed! Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #673 on: September 12, 2014, 05:37:43 PM »
Thanks Jerry and Terry, I'll go with the 7As. Correct for my bike, and absolutely no corrosion whatsoever in the bowl area/jet posts etc. The corrosion on the outside, I'll live with it. Last bits of original Keihin's came in today from James, so hopefully I'll get the racks back together soon.

Jerry, mine's a 11/71 2000xxx something, has a lot of K1 parts, the one off dashboard and many other early K2 oddities, most likely K1 engine too.
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Offline edwardmorris

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Re: 1972 CB750 Four K2 -- Project "Ice Cream"-- BUILD RESUMED
« Reply #674 on: September 13, 2014, 09:44:45 PM »
Monumental waste of a day. Safe to say never again  >:(

The oil tank cap I liked shining up though ;)
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