| You mustn't mix these oils Matty.
What you would have to do is drain the synthetic out then refill with non-synthetic
Run the engine for a minute or so only (just to pick up the remaining synthetic oil) then drain the oil tank again.
Finally, refill with a new litre of Castol - and you should be O.K.
Make sure you take out both the bottom drain plug and the side drain plug (with the oil screen) when draining the oil.
On both occasions you need to drain the bike thoroughly and even lean it over towards the side drain plug, so as to get the last few drops out.
If you're lucky you won't ruin your bike - but do it soon.
The guy in your MX store needs a good kick up the ass! |