Hello, i have a problem with my 2009 GRiSO with 50000 km., when i am driving under 5000 rpm. the clutch and gearshift seems to work normal, when i increase trotthle and revs, it looks if the shifting is not completed, and the clutch lever feels very strange, like the gear is not shifted totally. or the clutch is not coming back in normal position.
This only occurs when i am acclerating at full power and revs., i can not shift trough the gears at a proper manner, it is difficult to explain, but i hope it is recognizable, i already changed the upper clutch cilinder with another one, the gear lever is fully loose, perhaps the clutch cilinder in the gear box? For the rest still a great bike, with excellent looks.