2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 77Get this manual
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Measuring Rocker Arm (Inside Diameter)
Lapping Valves
NOTE: Do not grind the valvesIf valve is damaged, it must be replaced
2 Insert each valve into its original valve locatio