Hey guys.

Question: Does anybody know about using diesel to flush out an engine? I'm thinking of emptying the oil, adding diesel to the engine where the oil goes, and turning the engine over a few times. Not actually running the bike with the diesel in the engine, just turning it over a few times to disperse the diesel, then empty it out. Maybe repeating the procedure a few times and getting all the crap out in the process.

Has anybody ever tried this, or can anybody recommend a better or other method of flushing the engine? I'd like to try this, so I guess I'm asking if it could harm the engine, or have any other adverse effects.

Reason/history: My piston cracked in Bolivia and, being in Bolivia and unable to buy a replacement, I had the piston welded. Over time the weld started to break apart a little, resulting in little metel slivers throughout the engine. With new oil the bike ran fine, but eventually after about 2.000 km I would start to loose compression, with the bike stalling out and sometimes not starting again until I changed the oil. After I changed it I wouldn't have any problem, and she ran great...for the first 2.000 km or so.

Eventually in Buenos Aires, about 10.000 km later, I replaced the piston and assumed that the problem would go away since they should have flushed the engine out when they changed the piston. It didn't. Every 1.000 km she starts to loose compression and die on me until I change the oil. Hence I'm looking for a way to flush all the crap out.

I would love any input you guys could give me.

Currently in Bariloche, Argentina.

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www.motoadventures.org Photo Journal of My Alaska to Argentina trip.
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