R/C Tech Forums - View Single Post - O.S. VZ B .21 Engine???????

06-08-2006, 08:01 PM

#8

party_wagon

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The problems were caused by two things. People not using a heat gun. The crank shaft will get messed up if you don't heat these engines up. The other is an improper gear mesh. If the mesh is off it can cause extra stress on the bearings.

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