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First time to post. I have a 72 mercury 75 {7.5} . the top cyl has 100 pnds compresion about the same on the lower. both cyl have spark, the motor runs on the bottom cyl. top cyl. is real gassy. could this be a fuel pump problem, reeds, this has been very frustrating and I would appreciate any help
First time to post. I have a 72 mercury 75 {7.5} . the top cyl has 100 pnds compresion about the same on the lower. both cyl have spark, the motor runs on the bottom cyl. top cyl. is real gassy. could this be a fuel pump problem, reeds, this has been very frustrating and I would appreciate any help