it's a kawasaki FE290. 290cc, 9hp.
My old Club Car DS golf cart uses this same engine, and it says SAE 30 for 32 degrees and up operation.
4.9 gallons.
Optimum plug gap for Club Car gasoline engine is .28". Go no wider than .30".
It could refer to engine size or number of passengers.
It was intended to be a budget car with small engine and capacity
While owning a car, it is important to know the engines oil capacity. The oil capacity of this engine is 3.1 liters or about 5 quarts of engine oil with an oil filter change.
It is the volume that the piston swipes in one stroke inside the engine cylinder.
1992
Engine capacity. It would be classed as 1.4ltr. Fine for a small or medium car.
6qts
The engine oil capacity in a 289 CID in a Ford passenger car would be 5 qts with oil filter change.