The seller of this R80ST bought it over a decade ago as a basketcase and then “built it up to be my idea of the perfect backroad and camping airhead, sparing very few expenses along the way.”
There’s a lot going on here, so if you’re even slightly interested in the work you should click the link at the bottom of this post. But it had 88k miles when he bought it, and he’s covered 26k since. Modifications are extensive – highlights include BMW 1,000cc cylinders, big valve heads and 47mm Bing carbs from a ’78 R100RS, R100GS oil cooler, Yamaha WR450 front end resprung from a 250 pound load, 8.5 gallon GSPD tank, Flying Teapot sidestand, Renazco Racing seat, KTM 950 adventure front fender, BMW luggage (slightly beat up), 450W charging system, Nippon Denso starter, Motorrad Elektrik Alpha ignition system, Acewell computer, and plenty more.
“Like the rear main seal and clutch I keep waiting for [the stock transmission] to fail and it never has. However, I have a freshly rebuilt spare transmission on the shelf that will be included with the sale of the bike if you pay my asking price.” Everything is said to work except of the clutch lockout switch (so you have to be in neutral to start) and the horn (there isn’t one).
Find this custom ST for sale in Alameda, California for $8,000 here on ADVRider.