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- - magnatec oil (http://forums.sv650.org/showthread.php?t=123354)

my curvey is desperate for an oil change. i got a load of castrol magnatec 5-30 oil, think its ment for ford zetec engines, but would this be alright in the bike?

Re: magnatec oil

yea 5 - 30 is zetec engine oil, id stick to the manufacturers recommendation on oil.

Re: magnatec oil

Thats the wrong spec oil for a bike.As a car oil it may also have additives in it that are not helpful in bike engines.Id buy a tub of bike oil.

Re: magnatec oil

don't use car oil in the bike - no only because it's the wrong spec but you'll shag the clutch with the friction inhibitors they put in it

Re: magnatec oil

yea magnatec is fully synthetic and sv clutches don't like that.

Re: magnatec oil

Quote:

Originally Posted by kwak zzr (Post 1733769)

yea magnatec is fully synthetic and sv clutches don't like that.

it's not the synthetic that would do it, car oils can have additives to reduce friction - on a car that's great but on a bike, where the clutch is bathed in oil, the reduced friction can cause clutch slip

Re: magnatec oil

oh, me thought it was the fully synthetic bit? sure folks on here have used fully synthetic bike oils and had clutch slip problems.

Re: magnatec oil

Quote:

Originally Posted by kwak zzr (Post 1733778)

oh, me thought it was the fully synthetic bit? sure folks on here have used fully synthetic bike oils and had clutch slip problems.

Quote:

Q: Why is it dangerous to use fuel economy, high-quality multigrade synthetic car oil in my bike?
A: If your bike has a wet clutch system you could be heading for serious trouble. Off the shelf fuel economy oil, sold for use in conventional car engines, often contains friction modifiers that reduce the friction between metal contacts and promote smooth and efficient running of car engines. In many cases these modifiers act like poison to a bike’s wet clutch system as they reduce friction, leading to clutch slippage and overheating that could lead to a complete and costly overhaul. In addition, these oils are usually too thin to protect incorporated gearboxes reliably.

SOURCE

it's probably only synthetic oils that use friction modifiers, so if you use fully synth you might have problems, but not all fully synth oils contain them, iirc my KTM has to have a specially designed fully synthetic oil

Re: magnatec oil

As its been said before, if you are stuck somewhere and you have no choice of oil, anything is better than nothing and you can sort it out later (even veg oil is a possability but it wont last long and overall the worst choice), but if yr not stuck and can get the correct oil then do that.

Re: magnatec oil

Quote:

Originally Posted by TSM (Post 1733815)

Veg oil !! ... rather you than me :smt018 - two oils you should never mix in an engine are veg and mineral - they tend to turn to a a rubbery type substance which would more than likely lead to a seized engine.

If you are stuck, then use a basic mineral car oil if you can to get you home, a 10W-40 would be fine - as long as it's a small top up should be ok.

Magnatec - two things here, the 5W-30 is a special fuel efficient grade designed for cars that can use this type of oil ( ACEA A1/B1 ) - even using this in the wrong car can cause problems as to get it's fuel efficiency, it gets very thin when hot, and if the car's not designed to run that type of oil you could do some real damage - so basically Fords only

Also - as suggested, Magnatec and indeed most part synthetic and full synthetic car oils aren't really suitable for bikes because of the additives that are blended in to make them efficient in a car engine where the frictional requirements are totally different.

You can use full synthetic in bikes with no problems, just make sure it meets JASO MA which is a specific Japanese wet clutch friction test.

As for veg oil - I'd be either pushing, or leaving it :mrgreen:

KTM recommend full syn because they only hold about a litre of oil so they need the best protection they can get - look at it this way, Synthetic oils are basically mineral oils ( they both start off as basic mineral crude ), with all the waxes and impurities taken out that restrict the performance, limit the low temperature flowability and the high temperature oxidation resistance.
i

Cheers

Spokey