Ninja 21 on-road engine - Maintenance for long life?
I know some people have had some issues running these engines - spending money hand over fist just to keep them running and have it break again and again. I know this engine has fantastic compression, but I also know people that run it with the two original break-in shims in place.
How often do you change the bearings - what other good maintenance can be done? Especially to protect the conrod etc...?