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Author Topic: Oil cooler adapter removal  (Read 514 times)

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Offline JohnnyL

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Oil cooler adapter removal
« on: February 24, 2023, 10:50:13 AM »
Hey folks, I have a 78 750K and the previous owner had a Vetter fairing and an oil cooler underneath the fairing.
How do I remove the oil cooler adapter plate in the engine?

Thanks

Johnny
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Offline JohnnyL

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Re: Oil cooler adapter removal
« Reply #1 on: February 24, 2023, 10:52:15 AM »
Another pic
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Offline ekpent

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Re: Oil cooler adapter removal
« Reply #2 on: February 24, 2023, 11:09:59 AM »
Think it should just unscrew.
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Offline newday777

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Re: Oil cooler adapter removal
« Reply #3 on: February 24, 2023, 11:17:06 AM »
Quote from: JohnnyL on February 24, 2023, 10:50:13 AM
Hey folks, I have a 78 750K and the previous owner had a Vetter fairing and an oil cooler underneath the fairing.
How do I remove the oil cooler adapter plate in the engine?

Thanks

Johnny

Unscrew the big nut on the adapter
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Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline JohnnyL

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Re: Oil cooler adapter removal
« Reply #4 on: February 24, 2023, 01:07:47 PM »
That’s what I was going to do but thought I would check here for some advice first.

Thanks for the replies.


John
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Offline JohnnyL

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Re: Oil cooler adapter removal
« Reply #5 on: March 02, 2023, 04:57:56 AM »
Update. Thanks very much, I have the adapter off.

It will be for sale as well as the oil cooler itself if anyone is interested.

Thank again

Johnny
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Offline HondaMan

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Re: Oil cooler adapter removal
« Reply #6 on: March 02, 2023, 05:38:29 PM »
Be sure to run [proper] 20w50 non-detergent oil in the 78 CB750. The oil cooler was popular when 10w40 oils were used because those engines run hotter than the early engines. Never run 10w40 oil in these engines in summertime.
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Offline JohnnyL

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Re: Oil cooler adapter removal
« Reply #7 on: March 15, 2023, 02:09:52 PM »
I will do that when she’s all back together.

Thanks

John
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Offline JohnnyL

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Re: Oil cooler adapter removal
« Reply #8 on: March 15, 2023, 02:15:17 PM »
Quote from: HondaMan on March 02, 2023, 05:38:29 PM
Be sure to run [proper] 20w50 non-detergent oil in the 78 CB750. The oil cooler was popular when 10w40 oils were used because those engines run hotter than the early engines. Never run 10w40 oil in these engines in summertime.

Do you have a personal preference of oil..not to start a dreaded oil thread!! LOL
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Online grcamna2

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Re: Oil cooler adapter removal
« Reply #9 on: March 15, 2023, 04:01:02 PM »
Quote from: JohnnyL on March 15, 2023, 02:15:17 PM
Quote from: HondaMan on March 02, 2023, 05:38:29 PM
Be sure to run [proper] 20w50 non-detergent oil in the 78 CB750. The oil cooler was popular when 10w40 oils were used because those engines run hotter than the early engines. Never run 10w40 oil in these engines in summertime.

Do you have a personal preference of oil..not to start a dreaded oil thread!! LOL

How about Shell Rotella T4 15/40 ?
I haven't used it in a CB750 but do run it in my vintage Honda's;it's truck oil and it also has the 'Jaso/MA,MA-2' additive package which works very well for the wet clutch and transmission in motorcycles.. w/ a very good price per gallon at a Big Box store.
« Last Edit: March 15, 2023, 07:19:58 PM by grcamna2 »
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Offline RAFster122s

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Re: Oil cooler adapter removal
« Reply #10 on: March 15, 2023, 06:43:19 PM »
BelRay Mineral oil is good as is Spectro…
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