1987-2006 Suzuki ATV LT80 Service Manual, Page 96Get this manual
FUE AND LUBRICATION SYSTEM
OIL PUMP AIR BLEEDING
Whenever evidence is noted of some air having
leaked into the oil pipe from th oil tank in machine brought in for servicing, or if the oil pump has to be removed for servicing, be sure to carry out an ai bleeding operation with the oil pump in place before returning the machine to the userTo bleed he ai r, hold the mach ine in stand still conditionloosen the screw (j) to let out the air and after making sure that the trapped air has all been bled, tighten the screw good and hard
CHECKING OIL PUMP
Use the special tool, to check the pump for capaci
ty by measuring the amount of oil the pump draws