|1978 GS1000E magazine ad from USA (two pages). Click to enlarge. I don't know the magazine name or issue but it syas “Available at Suzuki dealers late April,” in the advertisement so I reckon it was published earlier than that... Scanned and sent to me by Randy Wedge.
|1979 GS1000E magazine ad from USA (two pages). Click to enlarge. “Master Charger”. Published in Cycle 4/1979. Sent to me by Michael B, www.gs-classic.de.