Working on the Disassembled Engine

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Written by Randy Fox   
Saturday, 03 November 2007

Cleaning Gasket Surfaces

Carefully scrape gasket remnants from all case and cover surfaces. To do this, I used several, new paint scrapers. They were sharp-edged, so I had to be very careful to keep the tool absolutely flat on the surface being cleaned. It worked very well, but if I had it to do over, I would have gone to the auto parts store and purchased some gasket remover solution. See the Parts and Tools article in this series for details. This would have saved me from worry that one false move could destroy a very expensive case or cover.

Clean dirt and gasket particles from all internal parts.

Cleaning Cases

Before you move on to reassembling your cases, you should consider cleaning them. If you have had any machine work, welding, painting, or powdercoating done, this is a requirement.

Remember, solvents are damaging to all paints and powdercoatings. Instead, use warm soap and water, with compressed air for drying.

I used pipe cleaners, tooth brushes, parts cleaning brushes, paint brushes, and my fingers to get my cases spotless. See photos below. This process was repeated at least three times for each part. I wanted piece of mind for years to come. I wanted no chip, no flake, and no particle to be lurking to create future mischief. ‘Good enough’ was not good enough.

 

Engine crank case cleaning, Yamaha Road Star

 

Engine case cleaning, Yamaha Road Star

 

Engine crank case cleaning, Yamaha Road Star

 

Proceeding to the Next Step

To access related articles, refer back to the Complete Engine Tear Down, Orientation article in this series to see which additional articles best address your situation.

 



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DISCLAIMER: This information and procedure is provided as a courtesy and is for informational purposes only.  Neither the publishers nor the authors accept any responsibility for the accuracy, applicability, or suitability of this procedure.  You assume all risks associated with the use of this information.  NEITHER THE PUBLISHERs NOR THE AUTHORs SHALL IN ANY EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, PUNITIVE, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OF ANY NATURE ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE USE OR MISUSE OF THIS INFORMATION OR LACK OF INFORMATION.  Any type of modification or service work on your motorcycle should always be performed by a professional mechanic. If performed incorrectly, this procedure may endanger the safety of you and others on your motorcycle and possibly invalidate your manufacturer’s warranty.


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