Dirt etc in the casings after head strip down ?

[ukjules]

Question - one of you guys said to remove oil pan and flush out with solvent ?
I kinda like that idea BUT

What sort of solvent would that be ?I cant think of what I want to pour into the engine ?
What did you use ? There was no harm later on ?

For interest:
On the center stand on my gs550e 1980, there is plenty of room with the exhausts off
to get at the pan. Fortunately I had done it before so the gasket was easy to get off.
Using my drill and soft brass circular small brush the faces are cleaned up quickly with
a bit of paint thinner to soften the hard bits. Bit of parts cleaner to clean up and perfectly flat and smooth.

The pan was as clean as can be. I do treat the bike well though - usually bar on tough rebuilds.

[Sandy]

Question - one of you guys said to remove oil pan and flush out with solvent ?
I kinda like that idea BUT

What sort of solvent would that be ?I cant think of what I want to pour into the engine ?
What did you use ? There was no harm later on ?

For interest:
On the center stand on my gs550e 1980, there is plenty of room with the exhausts off
to get at the pan. Fortunately I had done it before so the gasket was easy to get off.
Using my drill and soft brass circular small brush the faces are cleaned up quickly with
a bit of paint thinner to soften the hard bits. Bit of parts cleaner to clean up and perfectly flat and smooth.

The pan was as clean as can be. I do treat the bike well though - usually bar on tough rebuilds.

After picking as much debris out with various screwdrivers and sticks coated with grease I just poured varsol in from the top, enough to wash the remaining particles through to a pan under the motor. Don't just pour the whole container in. Once I thought everything came out the bottom I spun the crank (do not spin the crank with dirt in there and do not use compressed air) as best I could and flushed the bearings and looked for any more stuff that shouldn't be there. I bought a gallon of cheap 15W/40 oil and poured some in to flush the residual varsol out as well make sure everything had good coating of oil on it. After reassembly I then used the remaining oil for the initial startup and warmup then immediately drained it and changed the filter. I left the old filter in until now. I don't know if any of this procedure is recommended but it seemed to work for me and saved a total disassembly. A few thousand miles later all is well.