Author Topic: What is the best sump oil for a CB400F  (Read 1043 times)

Offline Athame57

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What is the best sump oil for a CB400F
« on: August 04, 2020, 05:32:29 PM »
Is the most expensive sump oil really the best? Where do you get older style oil these days if it is better?
I brake for animals!
1978 CB400F2

Offline Bryanj

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Re: What is the best sump oil for a CB400F
« Reply #1 on: August 04, 2020, 09:08:35 PM »
I bought mine off ebay. 40ltr (2 drum) about £75 delivered.
Mannol 15w40

Offline Athame57

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Re: What is the best sump oil for a CB400F
« Reply #2 on: August 05, 2020, 07:03:35 AM »
I have 25 litres of Mobil oil from the early 80s in my garage, 10-40w.
LOL...it is still ok?
I brake for animals!
1978 CB400F2

Offline Bryanj

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Re: What is the best sump oil for a CB400F
« Reply #3 on: August 05, 2020, 07:08:57 AM »
Oil dont go off

Offline pewe

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Re: What is the best sump oil for a CB400F
« Reply #4 on: August 05, 2020, 07:55:49 AM »
Oil for cars can cause slipping clutch.
I gave my CB750 Mobile 1 in the 80"s to ensure a good oil. Clutch slipped when twisting hard shifting to 5:th. Released throttle a little and twist again sounded like enter another gear.
I can't find a new bike replacing my old CB750

Offline bobv7

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Re: What is the best sump oil for a CB400F
« Reply #5 on: August 05, 2020, 09:22:23 AM »
www.opieoils.co.uk

I use these people but use any 10w40 oil. Doesn't matter which brand really, they're all blended to the same basic standards.

Offline bobv7

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Re: What is the best sump oil for a CB400F
« Reply #6 on: August 05, 2020, 12:20:46 PM »
Being married has many advantages and one is the access to an old pair of tights. I used them to cover the open bell mouths on carbs to prevent stones and small children being sucked in. Not easy for a old fashion, non metro sexual bloke to walk into a shop to buy women's tights ::)

Offline taysidedragon

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Re: What is the best sump oil for a CB400F
« Reply #7 on: August 05, 2020, 12:26:21 PM »
Being married has many advantages and one is the access to an old pair of tights. I used them to cover the open bell mouths on carbs to prevent stones and small children being sucked in. Not easy for a old fashion, non metro sexual bloke to walk into a shop to buy women's tights ::)

😂😂 What's the recommended denier for elf and safety on open bellmouths?
Gareth

1977 CB400F
1965 T100SS

Offline mike the bike

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Re: What is the best sump oil for a CB400F
« Reply #8 on: August 05, 2020, 01:08:01 PM »
When I worked for Corona Soft Drinks, every Friday, me and mate used to stash some fork lift truck oil behind the pallets on the waste ground.  At lunchtime we undid the sump plugs and dumped last week's oil on the ground and refilled it. This went on for months.
Where's that 10mm socket got to?

Offline bobv7

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Re: What is the best sump oil for a CB400F
« Reply #9 on: August 05, 2020, 01:56:43 PM »
Being married has many advantages and one is the access to an old pair of tights. I used them to cover the open bell mouths on carbs to prevent stones and small children being sucked in. Not easy for a old fashion, non metro sexual bloke to walk into a shop to buy women's tights ::)

😂😂 What's the recommended denier for elf and safety on open bellmouths?

There's alway one....and no, colour doesn't matter! :D :D  :D

Offline K2-K6

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Re: What is the best sump oil for a CB400F
« Reply #10 on: August 05, 2020, 02:14:45 PM »
Being married has many advantages and one is the access to an old pair of tights. I used them to cover the open bell mouths on carbs to prevent stones and small children being sucked in. Not easy for a old fashion, non metro sexual bloke to walk into a shop to buy women's tights ::)

It's alright "Bob from Sussex" your secret is safe with us. You don't have to go done pretending to have a wife to be wandering around the countryside in possession of women's lingerie  ;D ;D ;D ;D


Offline bobv7

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Re: What is the best sump oil for a CB400F
« Reply #11 on: August 05, 2020, 02:43:49 PM »
You'll be telling the world about my coke habit next.......dhooo! :-\

Offline gtmdriver

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Re: What is the best sump oil for a CB400F
« Reply #12 on: August 06, 2020, 07:42:17 AM »
They were made to run on straight mineral 10w-40 motorcycle oil.

Offline AshimotoK0

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Re: What is the best sump oil for a CB400F
« Reply #13 on: August 06, 2020, 08:55:44 AM »
Being married has many advantages and one is the access to an old pair of tights. I used them to cover the open bell mouths on carbs to prevent stones and small children being sucked in. Not easy for a old fashion, non metro sexual bloke to walk into a shop to buy women's tights ::)

About 15 yeras ago I used to use a pair of my wifes tights as a filter when I put old chip oil in my Sierra 2.3 Diesel estate.  That was until the Frying Sqaud caught up with me.
“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

 

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