not technically difficult.
there are only about 12 bolts holding the engine in place...
just all the other stuff in the way, lifting the motor out, etc are physically demanding...
then trying to get the right parts from dingbats...special order parts come in after waiting a week or two and they are the wrong part...
trying to get forged pistons from a local store is almost impossible. I asked for forged, they sell me hypereutectic...
oh well...
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Rob Wegner
90LX