line boring 2 stroke crankcase for a crankshaft with longer stroke, up stroke, increase stroke

Boring 2 stroke case to make room for the conrod to rotate, stroke increased from 54,5 to 56,3.
Removed in total 0,3 mm per side

[@milosnavratil1499]

Tak toto by mě nenapadlo.

[@pa2922]

Very good diy idea! Respekt!

[@RiverMotos]

Excelente idéia