Mar 01, 2006 · If there's a cost over and above the four-valve competitors, it's in the valve adjustment, with five of the buggers per cylinder. We asked Yamaha specialists Stafford Yamaha for service costs and found that for the FZ1 a minor service will cost $260-280 inclusive of parts and labour around every 6000km.. Yamaha V-Max Valve Adjustment. The Yamaha V-max.
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