THE ENGINE The Airhead engine is extremely robust and asks nothing but use of high octane fuels, regular riding, and have a regular owner maintenan...

THE IGNITION SYSTEM Always get the motorcycle running with the existing ignition system. Never install a new ignition system until the bike has run ...

Hi, Pix... and Welcome aboard !! This question gets asked so often we're building a complete answer Right Here !! May take a week or more to fi...

THE FUEL SYSTEM The Airhead fuel system is simple in design and straightforward in operation. However, there are several "rubber" parts that come in...

When buying a new battery BE SURE and look at the terminal locations. There is a common battery the same size (I believe labeled a "U1" ) which has th...

Rick at Motorrad Elektrik has them too. Shown at the bottom of this page.... You will need a voltmeter and the instructions that come with your b...

• Look in your shop manual. Most good shop manuals will list all the ratios and what they were used on. Then check your ratio (stamped into the case) ...

In lieu of other knowledgeable input, I would say from my experience working on motorcycle cyl heads (admittedly none of which was carried out on BMW ...

Edward - I'm using a Odyssey PC680 which only fills half the battery tray. So sorry, no help in the battery area. However, I can recommend the adjust...

Very sorry to hear that. A year and model would really help. However, other than running out of oil, the only issue common to most Airheads is impr...

OK. Like was said, we wish you the very best of luck, and certainly hope all the repairs turn out with a happy ending. Just so you know... These b...

Dealer this year - myself next. Glad to help you all I can. I used to work in several dealership shops. Let me tell you about it. They are not in...

Shep - Welcome aboard ! OEM rotors warp on a steady basis, and BMW charges an outrageous price for them. Luckily there is an option, and with a be...

Well, there's a lot of mis-information and pure advertising bunk out there. I saw the chocks you were talking about advertised years ago, but haven't ...