1970 Cycle Magazine 350 Review

Here's a great comparison test of all the "hot new superbike" 350s from December of 1970! Each page is individually scanned, so you have to download each one separately, but it's definitely a good read. I don't think you'll be too surprised when you discover which bike won the top honors in the review...

1970 Cycle Magazine 350 Review

Replica Badge Source

One of the most frustrating aspects of bringing one of these old Yamahas back is finding a decent set of replacement tank badges. NOS is really nonexistant, and even replicas are getting to be very expensive. Here is a guy selling replicas on Ebay for very reasonable prices, and the duplication looks pretty spot-on.

(Sorry the original link expired many moons ago... )

Here are a few sources that might help:
Diablo Cycle
HVC Cycle