Quote:
| Originally Posted by chris.p Fully synthetic ok on a 583, but not a 620 as the clutch will slip till it gets hot. Chris  |
There's been a lot said about about clutches slipping when synthetics are used, that is typically caused by using oils with friction modifiers in them, a good quality synthetic designed for use in a
motorcycle engine is unlikely to have friction modifier added so the clutch should not slip.
Andy