Oily Rag - Dedicated to Pat, Greywolf. 26/06/45 - 04/06/18 > Oil/Lubrication

Oil shelf life

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RederOR:

--- Quote from: Rixington43 on February 17, 2021, 11:42:32 ---[...] I would imagine putting bike oil into the car is less of a risk than car oil into a bike but I still wouldn't personally risk it for the price of a bottle of the correct formulation.

--- End quote ---
Depends on the car - IMHO in a lot of cases it could cause quite a lot of harm: no friction modifiers, ash (bye, bye DPF/GPF), viscosity and HTHS range probably quite different than required, different standards (ACEA in cars vs JASO in bikes). Could work with an old banger but not with something modern. Personally I'd avoid using wrong oil.

Rixington43:
Good point, I never consider DPF as I've never owned a diesel.

Forgive me if this is a patronising question to the OP but the oil was motorcycle specific in the first instance?

mr_diver:
Car oil marked as "energy conserving" or "friction reduction additives" should never be used in a bike engine with a wet clutch, but a non-unit construction engine with dry or separately housed clutch would generally be fine with it.

Any old oil could go in a pre water-cooled BMW boxer as there is a dry clutch.

Oil grade is another one where people get too hung up over.
In every owner's manual there is a chart to help you choose which oil grade to use dependent on the temperature where the engine it used.

Putting 20w50 in the strom is not going to kill the engine. Neither is 0w10.
But there a more suitable grades.
Oil of the wrong grade is still better than no oil.

Many of the dissident colonials across the pond use Shell Rowenta 20w50 truck oil in the mk1 Strom 1000 for longer service intervals and report no ill effects after some seriously high miles. 100k>

But putting the same thicker viscosity oil in a GSXR and blasting it around a track will likely sheer the long stand hydrocarbons that make up the oil.

Basically shredding oil and it more 'runny' as it wasn't designed for that sort of abuse.
Cruising for long miles at low/medium rpm in the strom engine going state to state in the US is fine.

As for shelf life of oil... it's a marketing ploy.
"Don't use that oil, it was made 2+ years ago"
Forgetting the fact it's made from dead dinosaurs millions of years ago and laid under the earth until some bloke drilled a deep enough hole.

OK additives may not last millions of years and are something we added, but the basic oil grades were all present in the cruide oil extracted from mother earth and distilled and refined to make the perfect 10w40 motorbike specific oil for a Suzuki and 10w30 for my Honda (psss I use 10w40 as it's cheaper)

 :dl_soapbox:  :dl_soapbox:  :dl_soapbox:  :dl_soapbox:

Stick it in and forget about it.
(That's what she said)    lol

I'm going to go lie down now.
(That's what she said)    lol lol

Rixington43:
So at the risk of circling back to the OP ;)

Are we collectivley saying:

If the oil you purchased was motorcycle specific then it probably isn't going to do the car much good, I would swap for car oil. It was probably fine in your bike as age and viscosity are minor concerns (up to a point obviously).

If it was car oil then it's now in the right place as it won't have been great for your bike.

I know everyone has their personal opinions on lubricants (for their bikes as well) and as for tyres, well let's no go there....
I do think it's worth making sure the right oil type is in the right vehicle though.

mr_diver:
Yes

&

Yes

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