Sorry to be the bearer of bad news, but... If you have free-play in the handle bar lever AND free-play in the lever on the gearbox, then you have t...

Engines Engine oil is the most difficult to spec, and you'll get a lot of discussion about this. You can obviously use any motor oil you want, but yo...

Recognize that I have very little experience with models other than my '79 R100, and do not have access to an '83 R80 wiring diagram... ► However, ...

A lot of those specially bent hoses for the breather are shown as N/A now. Good luck finding replacements.

3M Weatherstrip is great, but messy stuff. I'd highly recommend clear silicone adhesive/sealer. It will take slightly longer to set (use blue painters...

Don't know if you've followed my other thread, but a large part of my problem ended up being that the under-tank brake master cylinder on my R100 had ...

My dual requirement for a helmet that fits my 64mm long-oval head (3XL) and comes in Hi-Viz yellow severely limits my choices, but this is what works ...

There is already a thread on this subject. You might start by looking at that.

Sorry for the long wait, but I finally realized no repair was required on the bike in my care. But I did happen to find this helpful article. See this...

After reading Mike Hammer's 1995 article on the starter relay on IBMWR it all became clear to me how the corrosion started, and why this issue may be ...

Any Idea where to get that replacement gasket? ► It's not a "gasket", but rather a metal shim that fits onto the cylinder base WITH the gasket. Sev...

That's a very ambitious undertaking. I'm very impressed. Keep us posted.

Sorry that It took me so long to let you know that my bike is Fixed. It was the rubber grommet between the carbs and cylinder head. It was cracked cau...

Mr Cullen - Sincerely not trying to insult your intelligence, but did want to start where you were comfortable and hopefully move you to a place wher...

Here's a way for a novice to think of it.... The explosion resulting from the burning of fuel is what drives the piston down, thus turning the cran...