New Pulsar Generator With Ducar Engine Keeps Shedding Metal

Start using cheap crap oil and do as Bullet suggested. You can also use clean 3000, 5000, mile synthetic oil drained from your car just to do these metal flushes. As it is draining, flush kerosene or diesel thru it, and dry it with compressed air. Repeat.

The shavings are most likely the cylinder and the gears. This will normalize over time.

Also it is super critical to drain blistering hot. Not luke warm or cold.
 
Both of my Honda generators and my Honda lawnmower took multiple oil changes to drain clear.

You have to be quick and drain the oil hot before the glitter has time to settle. You're not going to get it all out in one change as some will surely sink and settle to the bottom of the engine while you are messing with the drain plug.

I did first oil changes at 30 mins to get the initial load of glitter out. Then again after 1hr, 2hr, 5hr then 10 hr. Each change had progressively less glitter even though it was a progressively longer runtime. My 20 year old mower is now on a 2 year (approx 60 hrs) oil change interval and drains clean every time. My generators get changed after they are used before being put away for the next power outage. I also added a magnetic oil dipstick to the generators and it collects a minor amount of ferrous material between oil changes.

I did early oil changes on my motorcycles also and saw glitter in the first few changes. I changed at 100 miles and again at 600 miles, then went to 5000 mile intervals after that.
 
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