03-30-2003, 04:35 PM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
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Not Ranked
Yamaha have been a leader in cylinder head development for decades. They have have been building 5 valve per cylinder street motorcycles since about 1984.
Cheers
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Mike Murphy
Melbourne Australia
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