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Author Topic: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)  (Read 28439 times)

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Offline mashfu

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Re: 1974 cb750 fun (STEP 1b: Head)
« Reply #100 on: December 26, 2015, 06:53:39 PM »
Quote from: BPellerine on December 26, 2015, 05:47:53 PM
try to keep the camtowers and rockers together with the cam you will use,they have worn in together,billp
As i suspected, wasn't sure if the towers/rockers stayed or not. Thanks bill
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Offline mashfu

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Re: 1974 cb750 fun (STEP 1b: Head)
« Reply #101 on: December 27, 2015, 12:31:51 PM »
Got a second pair of keihin 657a carbs, missing just about everything. I kept all of the parts from the 657b and plan to transplant those. From a post i saw, Hondaman said that the 657a and b are pretty much interchangeable they just got some minor exterior changes. Found a reasonable set for the right price because one of the float pillars on the 657b broke and tig cost just about the same as what i paid for this set. I will definitely be sending the broken body to jim french, but not quite yet!
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Offline mashfu

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Re: 1974 cb750 fun (STEP 1b: Head)
« Reply #102 on: December 30, 2015, 12:45:53 PM »
Got up close and personal with the chamber and see some pitting on the seats, will be ordering some tools from neway to cut the 3 faces once new guiides get in. Glad i have an extra head!
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Offline BPellerine

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Re: 1974 cb750 fun (STEP 1b: Head)
« Reply #103 on: December 30, 2015, 04:52:09 PM »
not cheaper at a machine shop?cutters are exp.bill
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Offline mashfu

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Re: 1974 cb750 fun (STEP 1b: Head)
« Reply #104 on: December 30, 2015, 07:58:44 PM »
Quote from: BPellerine on December 30, 2015, 04:52:09 PM
not cheaper at a machine shop?cutters are exp.bill
It most likely would be cheaper but i will be having some extra time so figured what the heck.
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Offline mashfu

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Re: 1974 cb750 fun (STEP 1b: Head)
« Reply #105 on: January 24, 2016, 02:05:28 PM »
Thought i would be having some extra time to work on the project but that ended up not happening... Got even busier with work... While ordering parts i overlooked the chains so when i sat down to start assembling the engine back together i had to stop. Went through the fiche one last time before reordering all the necessary parts so hopefully sometime in next few weeks the engine will be back together!
I decided i might as well refurbish the points and advancer. New condensers and a slight cleaning/greasing now allows the advancer to rotate freely!
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #106 on: January 24, 2016, 03:42:10 PM »
Since i cant stand sitting around i guess its time to move on towards the part ive been dreading. Taking all the easy parts off and the front and rear suspension is soon to follow!
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #107 on: January 24, 2016, 04:37:52 PM »
Front all out and looks like ill be needing some new parts  ;D PO seems to have tried to remove it so there are missing washers and nuts as well!
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Offline 754

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #108 on: January 24, 2016, 08:09:33 PM »
Looks like 77/78 triple trees , with a 74 tank they may be hitting forks to tank..
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Maker of the WELDLESS 750 Frame Kit
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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 mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #109 on: January 25, 2016, 11:14:05 AM »
The way they were prior to removal, forks had decent clearance but it was definitely closer than i liked; might not even use them at all. Really leaning towards the gsxr conversion, hopefully they don't hit the tank. Can always mod the tank if they do. Ill read into it some more. Ive had to stop myself about 10 times already from ordering fronts because im not even sure how i want to proceed...
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #110 on: January 27, 2016, 06:19:44 PM »
Got some well used hand controls, sun damaged pretty bad but the internals seem alright so gonna see what i can do with them!
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Offline edwardmorris

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #111 on: January 27, 2016, 09:26:02 PM »
Get a hold of Bill Benton, he should have a good kill switch knob and other internals as well. These will clean up ok, but see if you can find non-rusted ones from him. Red vinyl dye or vinyl paint fixes that thing up nicely. For the housings, there is no match for what Marc/Powderman does with them IMO.
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Offline calj737

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #112 on: January 28, 2016, 02:51:04 AM »
...Or split the housings and strip them, then have them hard coat anodized.
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'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 mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #113 on: January 29, 2016, 06:55:11 PM »
Definitely in desprite need of some new knobs and possibly internals. Will get ahold of Bill Benton asap. Hard coat looks amazing! Ill see if i can find somewhere in the LA area.

The last of the parts are arriving for me to assemble the engine, and a pile of misc bolts which i bought because i saw an alternator bolt slewn in the mess! Time to see how much can get done this weekend! Glad to know i have a few spare nuts and bolts just in case...
« Last Edit: January 29, 2016, 07:09:52 PM by mashfu »
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #114 on: January 29, 2016, 09:11:17 PM »
New parts/peices ready! Decided to just get oem/ntn ball bearings because im a lazy sob  ;D
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Offline calj737

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #115 on: January 30, 2016, 04:07:04 AM »
Quote from: mashfu on January 29, 2016, 09:11:17 PM
New parts/peices ready! Decided to just get oem/ntn ball bearings because I'm a masochist  ;D
FTFY
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'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 mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #116 on: January 30, 2016, 08:22:05 AM »
Hahaha  ::) its a new day and age! Next build will definitely get some skf's and then I'll trully understand how much of a masochist i trully am  :P
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #117 on: January 30, 2016, 11:35:33 PM »
Transmission is reassembled and shifting/rotating smoothly. Thought I'd get more done haha but a few trips later to the auto parts store had the whole day gone! Tomorrow should go much smoother
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #118 on: January 31, 2016, 10:15:36 PM »
Got mostly everything in today, still cleaning rods so when i put them on ill add the cam chain. Not too sure if the primary chains are supposed to go on in a certain direction or if that only applies to used ones, either way i put the new ones with green dots facing each other; in case i forget shouldn't be able to mess that up...
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Offline edwardmorris

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #119 on: February 01, 2016, 07:16:09 AM »
Are you using any assembly lube or is this just a mock up?
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #120 on: February 01, 2016, 10:49:16 AM »
Everything is lubed up, except the chain probably put a little on when closing the cases
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #121 on: February 01, 2016, 07:20:20 PM »
Got the shift assembly on and tested to see if anything is catching etc... Seems to be shifting through all five gears just fine, but every once in a while the drum won't want to move. This could be from not rotating the crank enough because if i apply some more force to the spindle, while rotating constantly, it will find the gear just fine.
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #122 on: February 02, 2016, 06:06:23 PM »
Getting closer and closer!
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #123 on: February 03, 2016, 11:14:35 AM »
Gsxr suspension came in, from what ive been reading cognito sells a stem conversion that should pretty much plug and play. Pretty excited to see it all put together... Eventually. Does anyone know if the steering damper is able to be used? *edit (found the answer)*
« Last Edit: February 03, 2016, 11:22:25 AM by mashfu »
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Offline mashfu

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Re: 1974 cb750 fun "Spruce Goose" (STEP 2: frame/suspension)
« Reply #124 on: February 03, 2016, 12:02:56 PM »
About to seal up the crankcases and since i do not have an engine stand im making the best of what i have hahahahaha
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