Here's one for you....
On my last trip to Morocco I came across Wilderness Wheels off road tour company. Upon discussing various things he was able to tell me he used normal car 10w40 in all of his KTM 450's with no ill effects. Compare the prices with Motorex eh? Two seasons and you can imagine that rental motos get abused somewhat more than normal.
Who'd a thunk it?
Ref shear qualities,I remember the early classic Range Rovers specified normal engine oil in their gearboxes,indeed as well as Mini's with the same gear oil as engine oil.
As I've said before I use supermarket fully synthetic oil(within API specs) for my moto. €8.50 for 2 litres against €35 for the Motul and the likes equal. (I even use the same stuff in my Pajero and Land Rover...both with 266,000kms and 120,000kms respectively)
The supermarkets buy their oil from the same refinery as the other companies but then forward it on to the particular markets...i.e. Yamalube or BMW branded guff. Only this morning I checked and saw 2 stroke oil at the same API as another bottle except one had a fancy sticker on it and one was €4 more expensive.
IMO the marketing men exploit a certain level our paranoia over what oil will stop my moto blowing up or decreasing it's longevity.
If I was stuck in South America and only had supermarket oil...it'd work just the same. We have the choice in Europe...countries like Morocco etc haven't and have been running their engines for years on different oils. Try getting 100% synthetic moto oil in every garage Maroc....lol
If it's within the API spec,then use it IMO and doesn't matter one bit the name on the bottle.
Just say'in like....
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