NO UR WRONG.. A BENT CRANK WILL NOT GIVE U PISTON PLAY IN A CYCLINDER./.. WORN OUT RINGS WOULD.. OR AN OUT OF ROUND BORE ALSO.. MOST LIKELY U WILL HAVE TO BORE 1 SIZE UP.. CHECK UR RODS FOR EXXCESSIVE FREEPLAY UP AND DOWN AND LEFT AND RIGHT. AND YES BAD
"BOWED" REEDS WILL CAUSE A LOW COMPRESSION ISSUE.. THINK OF IT, UR REED IS UR INTAKE VALVE AND IF DAT DONT SEAL RIGHT U AINT MAKIN NO COMPRESSION...... GIVE A A GOOD LOOK OVER LEAK CHECK IT DATTL TELL U PRETTY MUCH EVERYTHING,.,.