Question about Honda 2500 PSI Gas Pressure Washer

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What weight oil does the honda 5.5 engine require?

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Your Honda 5.5 hp engine specifically calls for SAE 5W30 engine oil. Use a good quality oil in the engine, and change it every 50 hours of run time. The pump will take 30weight non-detergent oil.
Using non-detergent oil in the engine will probably void your warranty, and will certainly shorten the life of the engine. Non-detergent oils have not been recommend by engine manufacturers in nearly 20 years.
Oil is cheap, go ahead and spend $4 - 5 on a quart of high quality oil. Your engine uses about 20 ounces per change.

Posted on Oct 21, 2010

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For non severe climates use 30w non detergent oil. I have also been using the same oil in the pump just to keep things simple. In very cold climates I would use multy viscosity to facilitate starting the engine. It does not get very cold in Texas, however during the winter if I do not store my washer indoors, starting is difficult with 30w.

Posted on Oct 01, 2010


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Posted on Jan 02, 2017

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SOURCE: what weight oil do i use in a 5 hp honda ?

For normal use I would use straight thirty weight. For colder use I would change to 10W-30.Thank you. I hope this is what you needed.

Posted on Jan 20, 2011

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