Fastest atv ever in production....
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Quadzilla's stock had low 50's HP, put a pipe,and reeds on it and they are close to 60 HP. They were detuned by taking the RM500 motor and reducing the port size by about 1/3, lower the exhaust port to produce more bottom end, and putting a more restrictive exhhaust on. If you look at an 86 CR500 motor (The most powerful CR500 ever) it had 65 HP stock
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SandDraggin
Performance Mods and Project Quads
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06-13-2000 06:56 PM
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