2011 Arctic Cat 400 TRV ATV Service Manual, Page 52Get this manual
8Install the one-way clutch making sure that the green dot or the word OUTSIDE is directed away from the crankcase MD1019
5Install the cam chainNOTE: Keep tension on the cam chain to avoid damaging the crankcase bossMD1286
6Place the pin into position, install the oil pump drive gear, and tighten the cap screw (coated with red Loctite #271) to 63 ft-lb
9Install gear position switch spacer and switch making sure to align the drive pin with the slot in the shift shaft
KC325A MD1017