r90s

I took delivery of my R90S yesterday afternoon. I’m going to spend this morning going through the bike and tracking down the cause of the misfire. The bike starts, but needs the throttle to be held slightly open as it won’t idle on a closed throttle. Choke doesn’t make a difference. Idle is not...

I have just purchased a 1976 R90S with 80k miles. It is in need of a bit of attention as it's been stood for some time. I'm unfamiliar with BMWs and airheads, but I have rebuilt a couple of vintage Harley Davidsons in the recent past (1973 Electraglide and a 1942U as well a couple of Pre-Evo...

My R90s has been off the road for a few years, so decided to have a go at recommissioning it. Put new battery on and the ignition light came on straight away. Turn on the ignition light dims and oil light glimmers. Other than that all electrics dead. Anyone any ideas, Thanks Nigel