XY157F-1 Engine

The XY157F-1 is a 0.15 L air-cooled, 4 cycle engine rated at 5000 rpm, producing up to 4 kW. It powers generator sets from Buffalo, including the GEN3500 i.

Also known as: XY157F-1

0.149 L

Displacement

5000 rpm

Rated speed

4 kW

Gross power

On this pageSpecs Generator sets Maintenance FAQ

Engine specifications

Displacement	0.149 L
Aspiration	Air-cooled, 4 cycle
Rated speed	5000 rpm
Gross power	4 kW

Generator sets powered by this engine

Buffalo GEN3500 i

Maintenance schedule

Item	Spec	Capacity	Part #	Interval
Air filter			—	200 hr
Fuel filter	Clean fuel cock filter. Replace if necessary		—	100 hr
Oil filter	Clean oil filter		—	100 hr
Oil	SAE 10W30	30.0 oz	—
Spark plug	Check condition, adjust gap and clean. Replace if necessary.		—	300 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

What is the displacement of the XY157F-1?

The XY157F-1 has a displacement of 0.149 liters.

Which generators use the XY157F-1 engine?

The XY157F-1 powers 1 generator set(s), including Buffalo GEN3500 i.