Whats the best engine oil for the zxr400???

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kurty_22
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Whats the best engine oil for the zxr400???

Post by kurty_22 »

Whats the best engine oil for the zxr400???
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Jamz
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Post by Jamz »

10w40 semi synthetic.

You can't go wrong with it!

Some people have tried using fully synth and found their clutches slipping on the ZXR400... it's debateable, but is it worth the risk when the semi does the same job just as well with no problems?

The main reason for the clutch slip seems to be that oil technology has moved on so much from when the ZXR hit the shelves, that the best oils that were around back then are crap by todays standards, and the modern oils are too good!

Also - make sure it's motorbike oil. Car oil is cheaper but contains an agent that will make your clutch slip like a giraffe.
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Post by RedexRobB »

I go for Castrol GPS personally in my bikes.

Car oil ive heard differeing opinions on, ive heard of people using it and not having any problems at all, even on new bikes. But on the flip side ive heard that car isnt isnt upto the job because of the shearing forces on the oil in an engine that revs so much higher.And that you can use car oil just not above 6k or 7K rpm.

Either way, i stick to bike oil.
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Post by cargo »

Oil is oily
Last edited by cargo on Tue May 02, 2017 11:00 pm, edited 1 time in total.
kurty_22
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Post by kurty_22 »

where's the best/cheapest place to buy the Castrol GPS?
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Post by masterofinsanity »

its about £30 at Halfords for 5 litres.
Don't forget people there is more to the zxr400 than this forum... check out www.zxrworld.co.uk also.
kurty_22
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Post by kurty_22 »

will head to halfords the mara LOL and get some.thanks all
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Post by cargo »

Filters filter
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kurty_22
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Post by kurty_22 »

yip i have the new filter here already.
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Post by Northern ANdy »

ive just put castrol R4 in mine
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Post by kurty_22 »

halfords r doing an offer on the gps get 3 pay for 2 so i got 12 liters for 52 quid not bad.
6K1RKYJ9
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Re: Whats the best engine oil for the zxr400???

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Re: Whats the best engine oil for the zxr400???

Post by banner001 »

fully syn will probably give you clutch slip.
UK ZXR400 L3 (1993) - Fully restored and on the roads, my green beast!
JPN ZXR250 A2 (1990) - Revs to 19,200rpm... 'nuff said :smt003
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Re: Whats the best engine oil for the zxr400???

Post by CaNsA »

banner001 wrote:fully syn will give you clutch slip.
edited for accuracy.
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Re: Whats the best engine oil for the zxr400???

Post by 6K1RKYJ9 »

She seems ok atm, fingers crossed. ill switch to semi on the next oil change.
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