Though we're big fans of buying bikes we can afford, ride and enjoy, we occasionally come across a piece of unobtanium that's just too cool not to be shared. This 1968 Harley-Davidson KR-TT is a perfect example.

It's been the lucky recipient of a recent restoration, and has been put to original condition. The engine has been completely rebuilt, the 68KR engine features a 69R head with dome pistons, a dual Linkert carburetor set up, a Ceriani GP fork and an original narrow-shoe, narrow-scoop Ceriana four-leading-shoe racing front brake and more.

For more information on this amazing KR-TT Harley, visit the auction here.

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Though perfectly-restored stock bikes are lovely, around here we love seeing period customs that people still appreciate, ride and maintain. This 1956 Triumph T110 Tiger is a perfect example of a bike that's just too slick not to buy, ride and enjoy.

From the auction: "This is a 1956 Triumph Tiger 110. It was purchased by the man I bought it from in 1970. At that time, the motor was rebuilt by Harry Leinweber, who held the world speed record and many other competition and race records for Triumph motorcycles in the late 1960’s. Later, the top end was cut .060 over with a larger 32 mm Amal carburetor added along with new clutch, and recently new brakes. An engine oil cooler was added, which keeps the engine at a much cooler operating temperature. All parts have been chromed and the engine and trans were painted with heat-resistant wrinkle-finish black. Some of the chrome is showing a little age, but it is still VERY nice. The engine was fitted with oversized custom TT exhaust pipes. During reinstallation of engine and trans, rubber washers and fiber spacers were placed between frame and mounting brackets, to help eliminate vibration. The frame was never cut, but molded and painted Candy-Apple Red with Crushed Glass. So was the wassell bannana tank and ribbed rear fender. A few years ago, a new Ceriani front-end was added. The top tubes were cut down 2 inches and chromed. The bottom aluminum forks and trees were polished. The polished aluminum 1962 Norton air-cooled brake plate with air-scoop (rare) was mounted with brake assembly and custom cut front axel on a Akront 19 inch polished aluminum rim with stainless spokes. Rear tire is a Harley 16 inch with chrome wheel and spokes. Front and rear have new Dunlop radial racing tires. Anderson foot pegs. New rebuilt rare Smith speedometer. The bike has around 2500 miles on it.  When I took posession, the speedometer had just been put on and read 14 miles.  it now says 190.  50 of those I put on yesterday with some friends out on some country roads. Bike has been upgraded to a 12-volt system with ignition switch and battery so as to keep lights on bright. A Magneto, new voltage regulator, and rewound 12 V generator have been upgraded. (Bike was 6 Volt.) Everything is new, replaced or custom made for this beautiful café style bike.  Like I said, this is a great running and looking bike.  Buy, hop on and go! needs nothing!"

Looks sweet to us. To visit the auction for this 1956 Triumph Tiger 110, go here. 

This week we bumped into an American Eagle on eBay and we just couldn't help but share it with our readers. Though it's titled as a 1970 model, it may be a 1969 American Eagle 750, and it looks as though the current owner of the bike has revived it into a nice rider.

According to the auction, the bike "starts easily with the electric start and runs well. It has new tires, tubes, battery, grips, Tommaselli throttle, cables, rebuilt carbs, clutch, shocks, recovered seat, rebuilt generator and starter, chain etc."

The bike still wears the original coat of blue paint, and though it has  new style air cleaners on it in the photos, it also comes with the original air box.

For more on this American Eagle, visit the eBay auction here. 

Fall is here, winter is on the way, and depending on your climate, the time may be drawing near for pondering what you're going to work on all winter when it's often too cold to ride. Though it looks to be in fairly decent shape, this 1975 Yamaha XS650 looks like a perfect candidate for a little winter "freshening."

According to the auction, the bike runs, shifts and stops just fine, and all teh lights work properly. The seat has been be recently recovered, and though the clear coat on the tank is peeling, the owner thinks this could be fixed by a good paint and body professional without repainting the base color on the tank, thus keeping the bike more original.

Several of us around the office have had the chance to ride an XS650, and though they're decidedly not your average Triumph, that does have it's advantages also. This auction doesn't appear to have a reserve, and so far it looks like it might go for a pretty affordable price.

To check out the auction for this Yamaha XS650, go here. 

Do you need a zippy two-stroker for the garage? Are you going to Barber? The current owner of this 1984 Yamaha RZ350 is looking to find a new home for his bike, and he'd be happy to deliver it to you next weekend at the Barber Vintage Festival.

With just 6,774 original miles, this RZ appears to be in fine shape. The bike is in mostly stock condition, though it currently wears a Corbin seat and a set of expansion chambers. It does come with the stock parts, though it sounds like the original seat has been cut down to serve a rider that was a little short in the inseam department.

Complete with a clean title, this looks to be a sweet bike in nice original condition, and well-cared-for RZ350s don't come around every day.

Interested? To visit the auction for this lovely Yamaha RZ350, go here.