2004-2006 (2007) Honda TRX400FA Fourtrax Rancher / TRX400FGA Rancher AT GPScape Service Manual, Page 329Get this manual
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FRONT DRIVING MECHANISM
STANDARD 240 cm (8.1 US OZ, 8.4 Imp oz) 300 cm (10.1 US OZ, 10.6 Imp oz) Hypoid gear oil SAE #80 0.050.25 (0.0020.010)
14 -17 N'm (1.451.75 kgfm, 1013 Ibf.ft) 3.33.