How do these cylinder walls look to you?

[SeniorCitizen]

I've worked on engines from lawn mowers to 2,000 HP 300 RPM TLA Clarks and I've never ever heard of dismantling a engine to check ring end gap .
There are videos on the procedure .

 

[Tiger Small Engine]

I've worked on engines from lawn mowers to 2,000 HP 300 RPM TLA Clarks and I've never ever heard of dismantling a engine to check ring end gap .
There are videos on the procedure .

Let’s see it.

 

[SeniorCitizen]

 

[Tiger Small Engine]

View attachment 70872

I would not call that a small engine. We both know you have to remove engine from mower (or equipment), crack the case open, remove connecting rod end cap, and tap out piston and connecting rod. Then take off rings and insert into cylinder and check with feeler gauge to determine ring end gap.