I have had my Paso 906 for about 6 weeks now, and have ridden it for around 1200 wonderful Klms (The weather here is too good to waste!) and all has been great........until recently!
When I'm sitting on a given speed for any longer than 5 minutes, all of a sudden the power drops by half! - Seems like it's running on one cylinder or something! I pull the clutch in and give the throttle a couple of savage twists, then, after a couple of seconds, just as suddenly it cuts back in with full power - which is tricky if this happens in traffic, let me tell you!

Can someone help? Is this common? If it's a carby problem, is it difficult to overhaul the weber at home? - I have the workshop manuals.
Thanks people.
Ian