The zippy Yamaha R6 engine can reach speeds of 60 miles per hour in the same amount of time it takes you to read this sentence. In the more modern versions of the engine, that means three seconds or less, and the older models are not that much slower. Yamaha has been building the R6 since 1998, so you can find plenty of options in the vast inventory of engines available on eBay. All R6s are 600cc and produce over 100 brake horsepower. This is an impressive and ground-breaking number, and updated versions of the Yamaha R6 engine deliver up to 122 brake horsepower, which is 14 more than the initial 1998 to 2000 Yamaha R6 engines. These powerhouses include four-stroke, four-cylinder inlines with fuel-injection technology through the year 2005 Yamaha R6 engine. Models after 2006 incorporate an engine-management system along with titanium valves. The ride-by-wire throttle system in these models gives them an unsurpassed, flawless response and power return, whatever the conditions or speed. When you find your ideal R6 engine, you can cruise like a pro.Shop the extensive inventory of motors, parts, accessories, and complete motorcycle engines for Yamaha!