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Old 09-16-2012, 11:26 PM
lawnsaspire lawnsaspire is offline
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Join Date: Feb 2009
Location: Quincy, IL
Posts: 1,419
problem w honda mower

my honda hrx w smartdrive has been turning oil black as soon as its changed and blowing white smoke 4 several minutes after its started. any thoughts? actually the oil looks more like a grayish color
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Old 09-17-2012, 02:02 AM
herler herler is offline
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Could be a blown head gasket.
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Old 09-18-2012, 10:00 AM
robert@honda robert@honda is offline
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Join Date: Dec 2007
Location: Atlanta
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The HRX uses a GCV190 engine, which is a diagonally-split block design (see image below) and it does not have a head gasket.

White smoke would indicate oil is getting into the combustion chamber, likely from worn-out cylinder wall and/or piston rings.

Best to have a Honda shop check it out and give you the specifics.

If the rest of the mower is in good shape, it may be worthwhile (cheaper/faster) to just replace the engine. Certainly less costly than a new HRX...


Caveat: I work for Honda, but the preceding was my opinion alone.
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