[michiganarft11]

People have had problems with clutch slippage when they use full synthetic oil. Could be the problem?

 

[michiganarft11]

sounds like shifting forks to me

 

[michiganarft11]

You can get either a Haynes or Chymers (sp). Try ebay first, I got a hardcover Haynes for $25 including shipping. If not ebay, I think a local dealer would carry one.