First Bike / New Rider
I've had my GS500E for about 6 weeks now.
When I drive along at 140 KM/H / 7000 RPM it sets out after about 3 kilometres (1,5 mile) and goes down to about 4000 RPM or 80 KM/H.
I can changes gears down and force it up again, or wait a minute to come back in 6th gear, but it'll keep doing it...