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Author Topic: Original finish on hardware  (Read 1156 times)

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Offline Chief

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Original finish on hardware
« on: March 02, 2018, 10:27:41 AM »
What was the finished used on the various engine cover screws?  The hardware on my '76 750F has taken on that shiny, brown patina for the most part.  Were these screws chrome plated or just polished and sealed with a clear coat or???.  What was the finish on most of the hardware on the bike?  The fasteners on the valve cover, alternator cover and clutch don't show the marks of ever having been removed.  Someone was very carefull about it or none of the 3 POs thought ,or had need, to "open 'er up".  The odometer shows nearly 55,000 miles on it. 
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76 CB750F Super Sport

Offline slikwilli420

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Re: Original finish on hardware
« Reply #1 on: March 02, 2018, 10:38:02 AM »
I think everything was CAD plated.
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Offline TwoTired

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Re: Original finish on hardware
« Reply #2 on: March 02, 2018, 12:04:02 PM »
Quote from: slikwilli420 on March 02, 2018, 10:38:02 AM
I think everything was CAD plated.

I think that is true except for covers that were chrome plated.  Those fasteners were chrome plated.  Headlight ring, points cover, starter cover, etc.

Cheers,
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Offline Chief

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Re: Original finish on hardware
« Reply #3 on: March 03, 2018, 06:08:28 AM »
Thanks for that info.  One more hardware question, what type tip is used on the pan head screws on the engine covers? None of my Phillips tips fit very well. Is there a special driver?
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76 CB750F Super Sport

Offline b1jackson

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Re: Original finish on hardware
« Reply #4 on: March 03, 2018, 06:13:29 AM »
JIS

Japanese...something something.
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Offline 38rudge

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Re: Original finish on hardware
« Reply #5 on: March 03, 2018, 06:14:28 AM »
Quote from: Chief on March 03, 2018, 06:08:28 AM
Thanks for that info.  One more hardware question, what type tip is used on the pan head screws on the engine covers? None of my Phillips tips fit very well. Is there a special driver?

The original screws had a JIS head, which in reality will be as near a dammit to same as Phillips. I have some JIS screwdrivers and find practically no difference between the Phillips ones. 
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Offline DaveBarbier

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Re: Original finish on hardware
« Reply #6 on: March 03, 2018, 07:10:06 AM »
All these + screws are JIS Japanese Industry Standard. You can get away with Phillips but not for the really stuck screws (which after sitting 20 years is pretty much all the screws on these bikes). Phillips drivers are engineered to ‘cam out’ or slip off the head. Originally made for installing the fasteners without over torquing. JIS lock in and do not cam out, making it a lot easier to remove the stuck screws. Get a good set of Vessel screw drivers and even a set for a hand impact driver. No more worries.
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Offline Chief

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Re: Original finish on hardware
« Reply #7 on: March 03, 2018, 08:15:38 AM »
Thanks .  Where is good source to get these?
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Offline Yamahawk

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Re: Original finish on hardware
« Reply #8 on: March 03, 2018, 08:17:26 AM »
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Offline Chief

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Re: Original finish on hardware
« Reply #9 on: March 03, 2018, 08:38:06 AM »
Thanks
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Offline Stev-o

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Re: Original finish on hardware
« Reply #10 on: March 03, 2018, 01:28:58 PM »
Quote from: Chief on March 03, 2018, 08:15:38 AM
Thanks .  Where is good source to get these?


Hey Chief....get the Vessel Impacta, great screwdriver.   Can also be used as a light duty impact.

https://www.amazon.com/Vessel-Megadora-Impacta-P2x100-Screwdriver/dp/B003BI8HHQ/ref=pd_lpo_vtph_469_bs_t_1?_encoding=UTF8&psc=1&refRID=CQGS6DY2RAZKA3FNXA03
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Offline markb

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Re: Original finish on hardware
« Reply #11 on: March 03, 2018, 03:21:55 PM »
Quote from: slikwilli420 on March 02, 2018, 10:38:02 AM
I think everything was CAD plated.
No. It was zinc. Except for the ones mentioned that were chrome.
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Offline Chief

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Re: Original finish on hardware
« Reply #12 on: March 04, 2018, 01:40:37 AM »
Thanks Mark. Makes sense the spokes were certainly zinc plated.
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