I'm repairing a '75 Mercury 1150(IL6)ser #4113354 after burning piston #1. Went online and ordered a standard 3-ring inline piston to replaced the melted one. I was dissappointed when I recieved the order yesterday and found the company had substituted the 3 ring piston I ordered with a 2 ring...
I'm repairing a '75 Mercury 1150 (in-line 6) Outboard due to burned piston in #1 cylinder. I disaasembled the powerhead and upon inspection of block and cylinders found cracks in the alum block between cylinders 3,4 & 5 right where the locating pins for the main bearing/reed cage are located...
