Information exchange is always based on the source. Your coming to HDTimeline is probably an even better investment...as free, informed advice is a definite plus. That said, I use the Clymer for my "on the road" documentation because of it's broad swath of information combining attributes of all three H-D manuals: the
Service one is the most important of the 3 MoCo manuals ($60 MSRP each), the others -
Parts (with exploded diagrams and annotated part numbers or the
Diagnostics & Troubleshooting (with DTC codes and flow charts - procedures) not so much. I have 'em all cause info verses none is a no brainer.