2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 97Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 97

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3 Install the 3rd driven lock washer (left side)Lock it into the groove closest to the 5th driven gear (as noted in disassembling) by rotating it when it is in the groove
4 Install the next 3rd