Quote:
Originally Posted by Stevedesmo
Those Italians hey, what are they like? Assuming that their bikes never go for sale in cooler countries and recommending an unsuitable oil for the uk........mama Mia!
I wonder if they considered the cold winters in Italy and a hot summer like we had in the uk last year when this global rule of thumb was developed?
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The 15w 50 figure is the 'one size fits all' recommendation but, if you actually look in the handbook, you'll find other viscosities also recommended depending on the prevailing ambient temperatures. As Evostu says, 10w 40 is fine for the UK.