…available to the public. These highly customized performance parts are what set Team Yoshimura Suzuki bikes apart from all others and have virtually set every record in American Superbike racing over the last 55 years. Yoshimura's GSX-R Racing Engine Kit Parts are at the core of how to improve lap times. They…

…which in turn allows the use of a 15mm shorter cylinder head. Controlling the updated valve componentry is a set of lighter (1.1 pound) thin-wall camshafts. Fueling the all-new powerplant are 46mm throttle bodies featuring Honda's Dual Stage Fuel Injection. All eight upper and lower 12-hole Denso fuel…

…Yoshimura has been making high-end camshafts for more than 50 years and are now available for 2010 Suzuki RM-Z450 and Honda CRF150 and CRF250 motocross models. They started out designing superbike camshafts, but have since expanded the line of camshafts to include motocross motorcycles and ATVs. Yoshimura's…

" Yoshimura's new YRS line offers previously unobtainable performance Suzuki GSX-R race parts to all. Yoshimura Research and Development of America, a leader in both motorcycle racing and high performance exhaust manufacturing is beginning a new chapter by offering previously unobtainable Suzuki GSX…

" Demon's Cycle gave this custom Pro-Streeter some real giddyup by equipping it with a Suzuki TL1000 engine and throwing on some Yoshimura RS-3 pipes. Many of you in the Pompano Beach, Florida, area are already familiar with Demon’s Cycle Inc. The company has been building custom bikes and selling…

…for Taylor to take the engine to Andrew and the HyperCycle crew. The engine was stripped, blueprinted and a lighter charging system substituted. Camshafts from an '05 GSX-R1000 were chosen and degreed to Carey's own special recipe. Valve springs were sourced from Suzuki's own GSX-R600, as they are built…

…mixture flows though a head that is ported and shaped by the team. This is one of Gemini's secrets to power. Outsourced are the camshafts, which come from rival company Yoshimura. Compression ratio is bumped into the neighborhood of 14.5:1, while the rev ceiling is continuously being pushed higher and higher…

…piston slides inside the aluminum electroplated cylinder, gobbling up 450cc of displacement. Lightweight titanium valves controlled by dual overhead camshafts allow the engine to rev out high yet spool up quickly. Electronic fuel-injection with a 42mm throttle body and multi-hole injector ensures a smooth…

…Performance. Engine builder Lee Shierts told me the motor is basically a stock balanced and blueprinted engine that uses Carrillo rods and trick camshafts, with some magic worked on the pistons and the head. While the engine was apart, the counterbalance weights were removed from the crankshaft and a…

…Honda-like results, but Heben, Plumb and Zemke seem confident that 2006 will be the year they can challenge the undisputed kings, Mat Mladin and the Yoshimura Suzuki Superbike team. Flying around the country, riding factory racers... Yeah, it's good to be the boss. MCUSA Prez Don Becklin got to ride Miguel…