Topic: Blog: 736cc Builds His Pipe Dream

[GroovieGhoulie]

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Oh and Andy, the new bike looks AWESOME!!!  I'm already jealous!!! LOL!!!

Is this one gonna be a museum-piece?  With those pipes and all the NEW parts, I'm thinking it might be?  It looks almost too good to ride.

I'm enjoying the ever-loving hell out of the Gold one.  Perfect "rider".

That candy gold "rider" wouldn't look too bad in a museum, either! Nice to have your cake and eat it, right?

Indeed. 

[sandcastcb750]

The wheels/hubs look great!

[736cc]

The wheels/hubs look great!

  Hoping we'll hook-up in NYC at the Javits Motorcycle Show so's you can see 'em in person.
Now if I could only source some frame decals (hint-hint) I think all the ducks are in a row.

[Raul CB750K1]

www.cbdecals.com

[Bob Wessner]

Thanks Raul, I added the link to FAQ's directly below Dondirtbiker's link.

[754]

Question,
Is the gold bike an early one with a later tank,

or a later bike made to look like an early one??

[GroovieGhoulie]

Question,
Is the gold bike an early one with a later tank,

or a later bike made to look like an early one??

It's a sandcast with K0 Gold bodywork.

It's got all the "sandcast-only" parts too.

[736cc]

  Today the polished and cleared-coated engine covers were installed w/ nice, new screws. Many of the fasteners on this resto are out getting zinc-plated, so a few things just have to wait. Working w/ freshly zinced hardware one of lifes great pleasures. Everythng on this machine is new or refinished; I'm literally building a new motorcycle.

[dagersh]

Bravo 736!!!

I really want to replace my faded guage faces on my '70.  You have just given me the confidence to attempt it myself.  Now, if only I could fix the broken plastic....(hint-hint!)

Thanks,

Gersh

[736cc]

   Starting to look like a motorcycle; newly-chromed rear fender and "2 hole" tail light (unique to sandcasts) installed w/ powder-coated rear stalks and new signals w/ original lenses. New signal lenses from Honda differ from the sandcast originals; a couple minutes of plastic polish makes them sparkle as-new. Handlebar switches (including a rare nos black kill switch) were "snaked" on and swingarm attached. Swingarm wouldn't fit at first; apparently the powder-coating of frame made it too tight. A little filing and grease then she slid in.
   Next up is front brakes, wiring and carbs. Each of them are completely torn-down for rebuilding and re-finishing. New wire harness a nice piece to work with.

[Raul CB750K1]

What do you mean with "2 hole" taillight? That looks exactly like my K1 taillight looks.

BTW, I thing I got something wrong with the rear brake. The "two holes" you were talking about were inside the drum, weren't you? I thought you were talking from the outside, that's why I posted my picture. But those two holes are not for ventilation, it is just the place where the shoe pivots attach to the holder.


I would not risk to tear an original seat. Mine was the last thing to go after the rest of the bike was completely built.

[736cc]

What do you mean with "2 hole" taillight? That looks exactly like my K1 taillight looks

The 69/70 CB750's tailight unit attaches to rear fender w/ 2 screws. The fender as well has 2 holes to receive it. K1's and up have 3 holes, as do new fenders from Honda. Its visable when you remove liscense plate.

[754]

I know I got a 2 hole bracket somewhere, have to check parts book to see when they ended..

Raul, the holes are in the web between the cush rubbers and brake cavity, the part that holds the bearings in the hub. They holes are part of the sandcores or cores that are knocked out after the hub is cast.

[754]

Question for 736cc,

Checked my partsbook today, they list 2 taillight bracket, first starts at #3480 thru to #44649, then another version after that.

Part number for both of those but no part # for the earlier one!

 So I am asking, how many holes in the # 3480- #44649 ??

[736cc]

So I am asking, how many holes in the # 3480- #44649 ??

   All tl's and rear fenders up to 10044649 (end of sandcast/K0 series) have 2 holes. 3 holes/screws keeps it from wiggling around. Some sandcast parts are shared w/ K0 and K1 parts; some are not. Likewise when comparing early sandcasts with later sandcasts (ie: long choke arm, leftside horn, different gas capacity wrinkle tanks, short upper brake hose, carbs, switches, centerstand, etc). And some parts from early sandcasts were recalled at 1st service, making for a real scramble to get that recalled part- Just try to source an original  smooth oil filter housing!
   Discovering the differences and restoring bike correctly depending on its serial # an interesting game to play. Funny part is, 99.999% of people looking at these motorcycles wouldn't know the difference between a low black kill switch and a tall one. And if somebody criticizes a real nice resto because it has a 17T sprocket instead of the notorious 16T is a twit, anyway. I do it for my own challenge, plus its always good to have a direction to go (and just in case one of those .001%'ers is peeking!)

   Wire harness nearly completed except for hl shell, and I "cloned" some dull exhaust heat shields late last night. Still waiting on some little parts to arrive and zinc plating; can't finish carbs until that's done. Pretty soon, the bodywork set will go on w/ the pipes as the icing on the cake.



   

[JLeather]

What're you going to do for tires?  Anyone make a new tire that is really close to the original?

[736cc]

I like Conti twins; excellent ride/handling/wear and look right from that era.

[Scooterboy]

are you looking for any parts in particular? 

[736cc]

   ZINC Plating Arrives
  All the hardware that was sent out for zinc-plating finally arrived. This is an important stage of the restoration, it makes the details absolutely sparkle. Nice stuff to wrench, too. Ran up the hwy at stratostrophic speed today on my Yosh cafe to pick it up, talk about an important mission! (the things I like). I can hardly wait to go thru the hardware and put this puppy together. Cost of zinc was $125. I even had some spare really cruddy exhaust clamps done; they came out amazingly nice.  This will keep me happily busy a few days. Bodywork is at the painter on the left coast (Blake) for color-matching to this bikes' exceptionally nice original paint wrinkle tank. If thats done by next week, the bike will be in the final corner heading to the finish line.

[736cc]

  Carbs completely broken down, super-cleaned, completely rebuilt, hardware zinc-plated. Best way to get stubborn CB750 carbs into place is to heat-up the inlet tubes in a bucket of hot water, add some grease, line them up square, then wrap your arms around the motor while sitting on the floor, and pull HARD while wiggling them up and down. The sound it makes when they pop in place w/o busting the fragile wrack is priceless.

[754]

You dont find it easier to start one fully then push the rest in??


I have a rack kicking around somewhere, We took them carbsets apart and put a pair of them on a 350 twin..


You can see a casting mark on the early head in the last pic!!

[78 k550]

736,
can you still get or do you have the rubber stop for the plate?

Paul

[Jerry Rxman Griffin aka MuthaF'er]

736,

We all envy the exceptional work you do. It can't be done without good reliable vendors like your painter and plater, etc. Not all of the members have local access to these services nor would some of us know how to correctly choose such a vendor. Would you consider formulating a list of the vendors you use and their information so that it may be added to the new restoration section?

Jerry 

[Bob Wessner]

Cost of zinc was $125. I even had some spare really cruddy exhaust clamps done; they came out amazingly nice.

So these clamps are zinc plated and not chromed?

[jsaab2748]

 

Would you consider formulating a list of the vendors you use and their information so that it may be added to the new restoration section?

Not to get off track, but where exactly is the restoration section? thx..