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Article: Going overboard: a Honda TRX470R finds the big bore sweet spot.(Product/service evaluation)
- Article from:
- ATV Sport
- Article date:
- March 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 Ehlert Publishing Group. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Too much of a good thing can be bad, as they say, and the same logic applies to boring out an engine. Drilling out cylinders in search of higher torque and horsepower can yield substantial performance gains, but if taken too far, the engine can get harsh and reliability can suffer.
With deep pockets and the latest in engine technology from Hot Cams, CP Pistons and Milennium Technologies, the experts at White Brothers built a TRX470R that's neither too hot nor too cold. This Honda's just right.
The quad's tale begins at the cylinder, which was bored out 2mm and replated by Millennium Technologies. CP Pistons replaced the stock piston with a ...