Operation manual Dear customer, Thank you for placing your confidence in 3W. Our long experience (since 1985) in designing and producing model airplane engines, ranging from single up to six cylinder, has been utilized to provide you with the best engine possible. Our in-house engineer has been designing two and four stroke engines for gasoline and diesel for 38 years.
In case of defect during the period of garantee, return this product to your nearest 3W-Dealer or to 3W -Germany direct, at your costs. The garantee is limited to the value of the product. The guarantee does not cover any damage caused by misuse or neglect, accidents, abrasion, exposure to extreme temperatures, solvents, acids, water, normal wear and tear or damage by common carrier.
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Canister mufflers To prevent damage to the header(s) a flexible support bracket is required to mount the canister(s). The location for this bracket should be at the canister's center of gravity. 3W canisters have a reinforcement ring at this location.
Use a high Octane unleaded fuel (98 Octane is recommended) • We use 3W 2-stroke oil in our engines here in Germany, but there are other high grade 2-stroke oils that will perform well. Note: The engine needs 12-20 hours running time for the break in process to be 100% complete.
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• Make sure that no gasoline will be splashed into the hot muffler(s). • Only 3W mufflers, or mufflers authorized by 3W with an acceptance (test) number, should be used. • Only 3W-ignition systems should be used for proper operation.