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Old 03-18-2013, 06:28 PM
birddseedd birddseedd is online now
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Join Date: Jan 2012
Location: Kalamazoo MI
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Quote:
Originally Posted by rlitman View Post
Stihl (among others) makes an engine they call 4-mix.
It is a 4 stroke engine, with valves and all, however the fuel is sucked through the crank case just like a 2 stroke engine, so there is no oil sump.

It has the lower emissions of a 4-stroke (less unburned fuel in the exhaust), but no oil changes.
being that the crank is not as well lubed, and even has more wear (im assuming there are rods up to a cam) would that not wear out quicker than both a 2 stroke and full on 4 stroke?
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