Grand Prix 500
Main Motorcycle: Triumph Street Triple R
Join Date: Nov 2010
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With all the changes, the Daytona 675 and 675 R are 3-lbs. lighter than the 2012 wet weight of 407 lbs., and have two extra base horsepower, bringing the max power up to 126 hp @ 12,600 rpm.
Speaking of the new engine, Triumph says "the key change is the wider bore and shorter stroke dimensions, allowing a higher 14,400rpm rev limit to gain more power and a broader spread of usable revs. Facilitating this is the new block, separate from the upper crankcase and with ceramic coated aluminum bores so it can be made stronger to cope with the higher pressures. Power is up 2bhp to 126bhp, peaking earlier at 12,600rpm and revving on for longer. The torque maximum is 2ft.lbs higher at 55.3lb.ft, with an increase across the rev range."
Also aiding in this increased power are new twin injectors per cylinder, reshaped titanium valves that allow for higher revving, a larger intake that flows "air straight into the center of the bike, right through the headstock, and as a major bonus this increases the quality and volume of the signature three-cylinder snarling intake roar for the rider."
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