My friends has sold his bike and palmed aload of oils on to me, one of which is a brand new 4ltr bottle of Castrol Power 1 Racing 10w 40. I know the manual recommends 5w40 but would this be OK? Thanks.
My friends has sold his bike and palmed aload of oils on to me, one of which is a brand new 4ltr bottle of Castrol Power 1 Racing 10w 40. I know the manual recommends 5w40 but would this be OK? Thanks.
My manual says 10-40 or 5-40
Yes it fine, it's fully synthetic
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- Mike D -
i use 10/40 in my track bike and 5/40 for road.
Yes it should be OK. The 5w40 will perform better at cold temperatures (eg winter on road), but for summer or track use 10w40 should be fine. The hot viscosity 40 is the same.
I find it almost impossible to find 5/40 locally...Fancying a quick O and F change last year I tried Halfords..Mickey Oates..Vic Devines..Ducati..J and S..Euro Car Parts and a few others with no joy.. everyone had 10/40 tho.
So 10/40 is OK for our machines then ?
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It will tell you what oil type to use in the Owner’s Manual.Originally Posted by stuartb
Sure it says 5w/40...
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Quite a few threads on this e.g.
https://s1000rrforum.co.uk/showthrea...ighlight=10w40
Provided it's 10w40 bike oil it should be fine for summer and/or track use. The 5w40 will have better performance on cold winter starts. If like the OP you had some 10w40 already it should be ok at this time of year.
I get Motul 300v 5w40 mail order from Opie oils.
@stuartb just order from Opie Oils using the discount.
300V Motul 5w40
- Alex
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