Valve Train
"Take a deep breath. Don't panic. Don't freak out." -- Phil Ross
Known Issues
Early Honda V4s tend to have problems with the valve train:
pitted and scored cam lobes and eroded follower pads, Pic of pitted cam lobe -- Doug Chapman
- failure of the cam chain tensioners, and
- stretched cam chains.
These are well-known and covered in depth at: http://www.math.uwaterloo.ca/~rblander/V4_cams.html.