Oil herp derp

[EazyDuz]

Why do some people (usually Americans in my experience) chat so much shit about the horrific dangers of 10w 40 car engine oil?
I just suggested to someone they dont need bike specific oil, to which some derp replied:

Don't use car engine oil, it will ruin the clutch. Use the appropriate weight for your weather - lighter in cold and heavier in warm. I'd also stay away from synthetic or semi-synthetic; I never had any leaks until I tried a semi-synthetic. Thankfully they went away when I changed back to regular 4-cycle motorcycle oil.


Developed leaks?

https://troll.me/images/jackie-chan-whut/what-the-fuck-is-this.jpg
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[kerr]

Thats the yanks for you, i remember seeing a post on another forum from a yank muscle car forum, where some dude tried to flush his engine with water
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aprilia 125 Af1 Futura >> Suzuki gsxr 600 srad >> J1 zx6r >> cbr 600rr >> Speed Triple

[goodlifefarm]

[J.M.]

Mine's been running on car oil since the rebuild. It's about due a change.

In the last study I read on the subject... the only real difference between a lot of the more modern oils was that car oil broke down quicker in a motorcycle engine. So change it often and it'll be fine.
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2004 R1 & 2018 XSR900

[goodlifefarm]

[aceofhearts]

Or just use bike oil?

[J.M.]

[Kwakki Si]

i wouldnt put car oil in my bike, no fucking way, bike specific oil all day long!
Winds me up when you get some knob moaning and trying to act all clever by using car engine oil, just get on with it and let us use the proper stuff.
If your to poor to use bike oil then dont try and justify using car oil.
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MOD1 passed 26/01/12... MOD2 passed 08/02/12
My current ride: ZX6R NINJA G2, The GREEEEN one!
Is it a bird? Is it a plane? No, it's a mother fucking motorbike!

[BigDan1190]

Isn't it to do with the minerals and additives in car engine oil, because cars don't use wet clutches? And they ruin the clutches in motorbikes?

I've read on the bandit forum people who have tried car oil and indeed ruin clutches...

[EazyDuz]

[goodlifefarm]

[Kwakki Si]

[goodlifefarm]

[Nick_Giles]

[Moo.]

I just buy generic 10w40 semi synth oil and change it regularly Never had a problem, so i'll carry on But then i don't have a super duper expensive bike.
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A2 Passed 18/6/10

[bazza]

[Marmaduke]

Tesco's own 10w 40 here!

In fact I'm sure it starts easier than when I used 'bike' oil, but probably a coincidence.
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Current: '03 Tuono RSV1000, '05 Van Van, '91 Zephyr 550
Previous: Multistrada 620,Bandit 600,Kawsaki ER-5, BMW K-75

[Kwakki Si]

[Kickstart]

Hi

Used car oil in bikes loads of times with no issues from it. Only time I have had clutch slip using it, I also had clutch slip with brand new plates and bike oil.

[goodlifefarm]

[Islander]

I wonder how wet clutch bikes managed when there weren't specific bike oils - in fact there weren't that many types of oil to choose from at all then?

[kramdra]

I spend the £40 on the cbr6 or a high revving engine. the 125 would get pure £2/liter dino piss, except these days I recycle the old cbr6 oil, still has some life and colour left. A low power bike wont care for clutch slip and the viscosity is correct, changing often with filter is far more important.

I only buy motul 7100 becuase its red. Used stuff looks like blood and I can see the level easy in the sight glass.

[goodlifefarm]

[Islander]

[Shaft]

I use whatever is hanging around the workshop, 10w/40 semi generally.

Costs less than £1.50 a litre and I've never had clutch slip, my bearings aren't hanging out and my motors don't smoke like a snooker player during the mid session interval.

Am I doing something wrong?
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