Currently I have fully synthetic 10w/40 Shell in the bike and at the start of the season until the end of the Assen round I had 15w/50 Agip fully synthetic. I can't say I've ever felt any clutch slip (although I do find my starts are crap), and I often have my bike up to 9,500rpm and above at the end of straights.
But back to original question, "should I remove my Carb Heaters", it seems that everybody has a different idea on this so I'm still undecided. Originally I was simply thinking of removing the carb heaters (and not fitting an oil cooler) to keep my bike as simple as possible, thinking that the less parts it has the less things that have the potential to break.
