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Everything Dirt Bike
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Kawasaki
Meet Elise
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<blockquote data-quote="ossagp" data-source="post: 202691" data-attributes="member: 1650"><p>one of my friends has two of the aircooled 495's. one an early one, piston port like the one that was radared at over 120 miles per hour back in the day. felt a lot like the kx500. mine ran low 13's at an all bike drag I took it to. 96 mph on all 5 runs, as it was topped out at about the 2/3 mark. came through the traps with the throttle at about 70% to keep the critter from blowing up. at that point it was wound as far as it would go on the porting, pipe and carburetor. backed the timing down two times during the day. stock rear sprocket, a 15 on the front (one tooth up from stock) and a carlisle dirt track tire that was about 3/4" shorter than the knobby I took off. no better than the carlisle gripped I should have left the knobby on. The other prep work was picking a cylinder that I milled the base on. I ran it what with with 3 (yes 3) head gaskets. Keeping it from seizing was the goal. ABATE was pretty much the all harley crowd back then and there wasn't a one of them with a license plate on it that clocked better that day. I raced two other twins and they lost badly. one honda 750 4 that lost and flew by right after the traps. higher gearing would have easily put it in the 12's and a better tire would have brought it down low into the 12's. boring day, if not for the sad looks of the street crowd. I have always thought of taking one of my cr500 motors and making a frame for it that is long and low and seeing how far down I could come on those times. Cheap fun to make the street crowd cry.</p></blockquote><p></p>
[QUOTE="ossagp, post: 202691, member: 1650"] one of my friends has two of the aircooled 495's. one an early one, piston port like the one that was radared at over 120 miles per hour back in the day. felt a lot like the kx500. mine ran low 13's at an all bike drag I took it to. 96 mph on all 5 runs, as it was topped out at about the 2/3 mark. came through the traps with the throttle at about 70% to keep the critter from blowing up. at that point it was wound as far as it would go on the porting, pipe and carburetor. backed the timing down two times during the day. stock rear sprocket, a 15 on the front (one tooth up from stock) and a carlisle dirt track tire that was about 3/4" shorter than the knobby I took off. no better than the carlisle gripped I should have left the knobby on. The other prep work was picking a cylinder that I milled the base on. I ran it what with with 3 (yes 3) head gaskets. Keeping it from seizing was the goal. ABATE was pretty much the all harley crowd back then and there wasn't a one of them with a license plate on it that clocked better that day. I raced two other twins and they lost badly. one honda 750 4 that lost and flew by right after the traps. higher gearing would have easily put it in the 12's and a better tire would have brought it down low into the 12's. boring day, if not for the sad looks of the street crowd. I have always thought of taking one of my cr500 motors and making a frame for it that is long and low and seeing how far down I could come on those times. Cheap fun to make the street crowd cry. [/QUOTE]
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