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Old 12-26-2010, 12:39 AM
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scotto- scotto- is offline
Custom 4-Stroke Bike Builder
Join Date: Jun 2010
Location: Ridin' inSane Diego, CA.
Posts: 6,505
Smile Re: Break in secrets

The actual proper method for break-in of a Chinese 2-stroke might be this:

Breaking-in an engine is a process of alternately heating and cooling the engine to allow all parts to properly seat themselves, and allowing 2-stroke oil from the incoming fuel to coat the interior of the engine. DDM recommends the following break-in procedure:
Use 91 octane or higher fuel, mixed 25:1 with a quality non-synthetic 2-stroke oil. (You can use synthetic oil for break-in also. Just run slightly more fuel through the engine. ) Run the engine at varying speeds for periods of 3 to 10 minutes at a time. During this break-in time, NEVER go full throttle. Always let the engine idle for 30 seconds before turning it off. Allow the engine to cool off for 10 minutes before starting it again. Repeat this process 3 or 4 times - 3 or 4 full "heat cycles".
After the break-in period, switch to a high-quality synthetic 2-stroke oil, mixed at 25:1. Be sure to let the engine idle for 30 seconds to cool before stopping. Be sure to follow the maintenance schedule included in your engine owners manual.

This is instruction given off of DDM's website for Chinese 2-strokes and I think it is sound advice....use at your own risk!
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