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2 stroke re-builds
Posted by Paul H on May 03 2006
The upside of re-building a two stroke is there are no valves, so rebuilding the top end is merely new pistons, rings and bearings, and boring out the cylinder.

The downside of two-strokes is the crankshafts are often contructed in multiple pieces, and take serious labor to split, replace the bearings, and precisely re-assemble.  Also each cylinder and crankcase has to be independantly sealed from one another.

I'm not familiar with the Johnson 90, but will take a swag that you're looking at about $500 in parts for new pistons, rings, gaskets and water pump, and probably another $500 odd in labor.

If the bottom end needs a rebuild, you're likely dollars ahead looking at finding another similar sized used unit.

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Next: Thanks for the input. H_I_L_L_B_I_L_L_Y May 04 2006

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