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FJR Motorcycle Forums
Technical & Mechanical Problems
Gen I final drive on Gen II
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<blockquote data-quote="Fred W" data-source="post: 1246599" data-attributes="member: 3828"><p>Actually, since power is measured as horsepower (HP), and HP = Torque x RPM / 5252, lowering the gearing, and thereby increasing the rpm, will produce more power <em>at a given road speed</em>, which is the effective power on the road. It will not increase the <em>maximum</em> power, that is a function of the engine's design.</p><p></p><p>It has always been one of the easiest ways to make a vehicle quicker (improve acceleration) at the risk of reducing the maximum top speed. I don't think many would complain about losing a few mph from the top of the FJR's ~155 mph max speed.</p></blockquote><p></p>
[QUOTE="Fred W, post: 1246599, member: 3828"] Actually, since power is measured as horsepower (HP), and HP = Torque x RPM / 5252, lowering the gearing, and thereby increasing the rpm, will produce more power [I]at a given road speed[/I], which is the effective power on the road. It will not increase the [I]maximum[/I] power, that is a function of the engine's design. It has always been one of the easiest ways to make a vehicle quicker (improve acceleration) at the risk of reducing the maximum top speed. I don't think many would complain about losing a few mph from the top of the FJR's ~155 mph max speed. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Gen I final drive on Gen II
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