Scot is right. Most of these m/c I've experienced needed rebuilding because of a ring of built-up crud that keeps the piston from returning all the wa...

It runs fine but right cyl spark plug is sooty black. Different color plugs could be caused by several adjustments... • The enrichener (choke) may ...

I say "No" because it simply cuts the voltage across the points and improves the coil output. However, if your 40yo advance mechanism is worn or has s...

1. We assume here that you've popped off the float bowls and made sure all the jets are clean and everything is free of any kind of storage mung. The ...

My recent carb tuning efforts have led me to believe that your problem may simply be caused by the carbs not operating the same on both cylinders. It ...

► If your fuel lines exit the petcock straight down rather than to the side, then you may have broken the gray plastic nipple under the 17mm nut on th...

It's not just BMW, all these type switches are so small that they can be a real PIA to work on. The only real hope is to remove the entire switch and ...

Well, of course my comments were 1/2 in jest and the other 3/4 in frustration !! 😆 The thing is zippy fast and very smooth, but I am REALLY n...

Thanks, Wobbly. I don't foresee any of the needed modifications being particularly challenging, and must assume the poor chap you refer to was quite ...

I've seen this attempted before on an R80RT, and the guy gave up leaving a mess of the bike. Having removed an RT fairing and changed it over to a...

This is wonderful! A 200 mile test ride proved the switch was the source of 98% of all my oil issues. The entire motor exterior stayed oil-free and wh...

A common misconception. The bore doesn't need to be in pristine condition to work just fine. If you'll make some measurements you'll find that the pit...

This R75 is a joy to ride. It does not compare to my Harley Road King and it's not supposed to! The RK does everything better... Well, maybe ev...