Just to make a note of the squish values, measured with the existing pistons (one cracked and the other OK).
Nothing surprising really all around 1.0mm which is appropriate for a 175cc cylinder.
Cleaned the head up and the piston (for measuring the squish), stuck the bits of solder on to the top of the pistons and then tightened down the head and rotated the engine one time to ensure the solder got squished on both sides. The cylinder and head don't look any worse for where, but this is becoming a nasty habit every couple of years, so will have to investigate a little.
Nothing surprising really all around 1.0mm which is appropriate for a 175cc cylinder.
Cleaned the head up and the piston (for measuring the squish), stuck the bits of solder on to the top of the pistons and then tightened down the head and rotated the engine one time to ensure the solder got squished on both sides. The cylinder and head don't look any worse for where, but this is becoming a nasty habit every couple of years, so will have to investigate a little.
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