1983 CB750 DOHC Build

[ljonny18]

C-bus wrote

Where have you been sourcing your parts from? I am at that stage now with my build.

I get my parts from either:

http://www.davidsilverspares.co.uk/

Or:

http://www.cmsnl.com/

I supposes it depends where you are located ?

[SimpleEngine]

Inspiring rebuild. Recently purchased a DOHC CB750 mysql and am looking forward to tackling it. Thanks for documenting the progress. Your thread is going to help big time!

[masiste]

Very nice job.

Looking myself to do something similar soon.  Plan on purchasing an 1100F engine for my 750.

Will tear it down and rebuild it. Also a novice, so time and patience is all I got.

Congratulations on your child, and let me tell you you are doing a great dilligent job.

The pleasure of doing something like this yourself and seing your creation work as intended is incredibly gratifying.

No mechanic, irregardless of experience, will ever pay attention to detail, and do such dilligent job as we would on our own bikes.

 Hi, came back to add to my post.  I have a question. From inspecting parts, can you tell me or anybody else could discern if the camshaft holder  that has the tachometer drive, could it be replaced by a regular camshaft holder ?

  Is ask this because I have a plan. Would like to close the tach port on the valve cover, to end any possibility of leaking, in case of going the electronic tachometer route. For that matter I would like using a regular (any of the other camshaft holders) holder so that the opening on valve covér could be closed shut.

  Another possibility would be to keep the opening there, but once using a regular camshaft holder ( with no tach drive ) would like to install a small baffle plate next to opening, so that I could install a nipple similar to the crankcase breather nipples,  so that the motor could have an extra breather port, on valve cover.

  Engine crankcase breather ports, connected to a catch can via ventilation hoses, would meet at said can with this new breather port, via ventilation hose for better engine breathing.

  In any case, first thing would be to determine if , in place of the camshaft holder that supports the tach drive,
a regular camshaft holder could  take its place.

  Good night mate. (perhaps good morning up there in Germany)

[gkmaia]

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The author has deleted this message.

[munster]

Great work and super images of the engine, have you any ideas on where the two plates shrouded with rubber
Fit, i cannot find a single image in the Haynes manual except on page 44 the exploded view it lists them but again no obvious location, the are listed as item oil deflector. Would appreciate any ideas, my thoughts were are they used to trap the deflector caps item 5 in place.

[ianclark44]

I have a 79 CB 750k that I am doing a rebuild on and cannot find rod bolts anywhere. Where did you get them? Thanks

[Eduado]

Hello there, well i can see this post  was wrote long time ago, but it happens that im rebuilding the same model bike and i wondering where did you find the new bolt from the conecting rods, i couldnt find them on the honda parts web. thanks for any help.

[ljonny18]

Hi Eduado - im meaning to finish the project - I had 2 children in-between.... so progress slowed down :(

What bolts are you exactly after ? would love to see some pics of your build if you have any ? 

Thanks,

Jon.

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Date: Thu, 26 Nov 2015 09:01:56 -0700
From: [hidden email]
To: [hidden email]
Subject: Re: 1983 CB750 DOHC Build

Hello there, well i can see this post  was wrote long time ago, but it happens that im rebuilding the same model bike and i wondering where did you find the new bolt from the conecting rods, i couldnt find them on the honda parts web. thanks for any help.

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