Kawasaki's entry in the new class of trimmed-down big-twin performance cruisers is the Mean Streak. Some of the Mean Streak's performance enhancements are evident at first sight. Kawasaki has opted for a more modern inverted cartridge-type fork, radial tires and high-performance triple discs adapted from its race-oriented ZX-9 sportbike. The Mean Streak lines, which follow the sexy arch of a cheetah, are a major departure from Vulcanimity, as is the tach (it's about time!) and cast aluminum wheels. The bike's 50-degree liquid-cooled V-twin engine is immediately recognizable, and from the outside, looks identical to its Vulcan predecessors. Internally, the motor has been lightly reworked with one goal in mind -- more air/fuel mix moving through. High-performance intake and exhaust valves are larger in diameter and new camshafts have been utilized for increased lift and duration of transfer. Larger throttle bodies (40mm over 36mm) supply the engine with the extra air requested by the new camshafts and larger valves. That nasty looking exhaust system features large diameter head pipes to encourage quicker release of spent fuel too. The Mean Streak is of course fuel injected, and aggressive mapping of the system may be the key factor in the engine's additional output, a claimed 10 percent increase in horsepower over the Classic FI. New clutch friction plates prevent off-the-stop lurching (we never felt like this was a problem with the Vulcan line), and ironically, the Streak's refreshed fuel injection actually encourages an abrupt off-idle response, and requires a very smooth hand. A new close-ratio transmission is geared lower to enhance acceleration. Lastly, the Mean Streak's chassis has been lengthened by 1.5 inches over the standard Vulcan 1500's, evidently to encourage better handling. The fork has been offset to provide 5.6 inches of trail while the rake holds steady at 32 degrees. There are a lot of amenities on the Mean Streak. The speedometer has an LED screen that toggles between the odometer, tripmeter, and clock. There are two helmet locks on the rear fender braces. Both the brake and clutch levers feature a thumb wheel to adjust for reach, which is very handy when switching from lightweight to heavy gloves. The turn signals are self-canceling. Another thing you don't find on many bikes these days is a locking box for the tool kit. KawasakiMeanStreak.org |
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