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Old 01-21-2008, 04:18 PM
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Troy Newman
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Join Date: Dec 2001
Location: Goodyear, AZ
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Default RE: Storage

Don't even come into the same room with WD 40 and a YS engine!

Any petroleum based product will destroy the silicone seals and silicone parts in the regulator of a YS engine.

For storage, its best to run the engine dry at low throttle only. Drain the tank and keep starting the engine until it will not even pop.

Then put a small amount of all synthetic oil in the carb and turn it over to pull the oil through the engine.

A few drops of Mobil 1 Synthetic 0W-20 works or a better product is the Ultra Oil sold by Dave Shadel at Performance Specialties. This is a little thinner oil and works well.

Once the engine is lubed up, connect the regulator line together, ( fuel supply to the pressure line in the front, and place it in a zip-lock bag.

The Castor oil will thicken up and turn hard and crusty before the Mobil1 or the Ultra oil will. SO I recommend using these synthetic oils instead.

Troy Newman
Team YS