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Author Topic: Finally starting my 1987 Zilla! Proper Break in Process Needed!!!  (Read 1362 times)

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Okay- so the day has finally come! I am going to start this beast up. Worked all day yesterday going through wiring issues and now I finally have spark!!! Thank goodness for the factory manual and an Ohm meter.....

So I just went and got 5gal of aviation fuel, a bottle of Maxima Castor 927, mixed 32:1  I have been reading all kinds of oil to use in transmission. What oil do you guys recommend? As far as break-in goes, what all should I do to properly accomplish this.  I don't want to start getting impatient now, this project has taken a long time and I really don't want to screw it up now.

Thanks in advance!

Disconnect the fuel line from the carb and drain about a pint or more into a quart jar.  Shake up the fuel in the jar.  Is the fuel cloudy or crystal clear?  Clear indicates the fuel and oil are mixed at a molecular level.  Cloudy indicates the fuel and oil are not compatible at the current fuel temperature. 

Avgas and 927 has problems mixing at a molecular level when the fuel temperatures are below 60 to 70 deg. F.  This is also true with many high-octane race fuels.  Always check your fuel for cloudiness when the weather and fuel start getting cold.

Putting a quart to a half-gallon of premium pump gas in to 5 gallons of Avg gas will usually act as a good blending agent to keep the 927 mixed at a molecular level.  You cannot tune a two stroke when the fuel is cloudy.  The engine will not be getting the same air/fuel/oil mixture every engine revolution.  After cloudy fuel has set a short time the fuel will become clear because the oil has settled to the bottom of the float bowl and fuel tank.  At this point the engine will be trying to run on pure oil.

 

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