2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 78Get this manual
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GEAR SELECTION 9 Rollers
(14.6 mm [0.57 in]) No Mark FX10FX10RT FX10RTR FX10RTRA
90386-09001 8FG-17624-30 16.0 (0.63) VESPEL TP-8549
(14.6 mm [0.57 in]) GroovedGrooved<