R Rob145 New Member Jul 9, 2021 #1 is this normal on a bike only a few months old Attachments IMG_20210709_200550919.jpg 46.5 KB · Views: 93 IMG_20210709_200539553.jpg 45.8 KB · Views: 93
Larry Trotter Well-Known Member Jul 10, 2021 #2 I wou pull the cylinder off and look at the piston and rings before deciding what to do.
Greg58 Well-Known Member Jul 10, 2021 #3 If you can hang your finger nail when scratching it it may hang a ring, from the pictures it looks like the person putting it together sanded some surface rust off.
If you can hang your finger nail when scratching it it may hang a ring, from the pictures it looks like the person putting it together sanded some surface rust off.
