Rotax Service Information 18 UL 97 contains detailed recommendations
re motor oils, including brand names.
Service Information 2 KUL 97 explains coolant mixtures.
Both are available at www.rotax-owner.com/sdocs.htm
Regards,
Fred F., A063
Carl Pattinson wrote:
>
> Thanks everyone who set me straight on the Antifreeze issue, however the
> matter of which oil has raised a few questions.
>
> As I understand it, the best oil to go for is a 4 stroke motorcycle oil with
> "gearbox additives". I looked at the Castrol range which is basically
> mineral only, semi synthetic and fully synthetic. From comments made in this
> forum it would seem that the semi synthetic is a good compromise, however
> Castrol makes no mention of any gearbox additive on the label. There is
> however a separate gearbox oil but I assume this is for gearbox use only.
>
> Does anyone know if the Castrol bike engine oils contain these elusive
> gearbox additives.
>
> I have not had the opportunity to look for Honda GN4 oil yet which was
> highly reccommended by Bob Jacobsen (thanks Bob). Is it available in the UK
> ?
>
> I could do with a little clarification on this issue, preferably with brand
> names.
>
> Incidentally our engine is well run in (500hours) so should not require
> "breaking in" with mineral oil. It is the original engine out of G-YURO (the
> first/ prototype factory Europa).
>
> Thanks again,
>
> Carl Pattinson.
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