4. LUBRICATION SYSTEM ATV 300/250
Oil Pump Driven Sprocket
Oil Pump Drive Chain
Remove the two oil pump bolts for remove
the oil pump.
Oil Pump Bolts
Screw
OIL PUMP DISASSEMBLY
Remove the screw and disassemble the oil
pump.
Pump Body
INSPECTION
Measure the rotor end-to-pump body
clearance.
Service Limit: 0.12 mm (0.0048 in)
4-4