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VALVE LIFT
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DURATION
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DURATION @ 0.050"
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GRIND NUMBER
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REGRIND
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HARD WELD
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NEW BILLET
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114
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Bolt in profile to increase overall power.
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340a
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Performance profile increases overall power throughout RPM range. Requires Exhaust System, and Performance Valve Spring Kit.
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389
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Good overall performance increase. Requires Performance Valve Spring Kit.
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389a
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Strong mid and upper end performance. Requires High Compression Piston, and Performance Valve Spring Kit.
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Part Type
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PART #
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$180.00
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Please specify year and model when ordering. Price (Each).
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$75.00
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CNC machined from billet alloy to exact tolerances for perfect fit. This tensioner can not back out allowing the cam chain to jump the sprockets as the auto adjusters have been known to do. Does not fit YZ 450 F (03-05) and WR 450 F (12-13) models. Price (Each).
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$130.00
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Kit includes performance single ovate beehive springs, Chrome Moly retainers, bottom cups, and shims. OK to .475" valve lift. Price Per Set (2).
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$110.00
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Kit includes performance dual springs and titanium retainers,and hardened bottoms. OK to .440 Valve Lift. Price Per Set (2).
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PDF
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Congratulations
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LINK
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Degreeing In Your Camshaft
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PDF
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JPG
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General Valve Spring Information
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PDF
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JPG
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Valve Spring Installed Height Information
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LINK
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Web Cam Full Catalog
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PDF
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Yamaha Bear Tracker 250 SOHC 2v Parts List.
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Home | Yamaha Bear Tracker 250 SOHC 2v | Updated: November 30 2023
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