Q
Is this pump OK for waste oil?
A
Yes we have had good success with these pumps with waste oil
Waste oil takes a bit of hp and this pump has been OK
Might need to keep the engine revs back a bit?

Honda GX120 engine
4-stroke
Air cooled  
OHV
118 cc
Performance:
3.5 hp (2.6 kW) @ 3600 rpm
5.4 ft-lb (7.3 Nm) @ 2500 rpm
Capacities:
0.56 litre (0.59 US qts) crankcase oil capacity
2 litre (2.1 US qts) fuel tank capacity
Engine oil type:
Honda factory approved 10W/30 engine oil

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