About your comment . . "I work on many kinds of two cycle engines and whether a chainsaw or a snowmobile they basically have the same type of bearings and inner workings. . "
I strongly disagree. We must be in different worlds. There are many differences over the years and some parts are much less durable then others. In two-stroke-cycle engines - there are the old crank-weight mounted face-sealing roto-ports, many engines with cheap sleeve bearings for mains, others with cheap needle bearings riding directly on crank journals for mains, cylinders with thin chrome plating that can peel like tin foil when too hot, etc.
New engines made to run with low-oil mixes tend to use very durable parts because they have to in order to last. Full ball bearing support on mains, Mahle, silicon impregnated, or heavy-wall iron cylinder liners, various piston skirt coatings, special allow piston rings, etc.
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