Tools needed for changing oil on a Eiger
21 mm socket
small oil filter wench
a long funnel that tapers down to a very small spout
4 quarts of Amsoil 0W40 ATV Super Synthetic Engine Oil
1 each NAPA 1359 oil filter

remove the left engine cover
r and r oil filter
remove drain plug from bottom of engine, drain oil
remove the right bottom plastic cover to get to the oil filler plug