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    How do you know if your oil pump is going bad?

    My old motor is an '87 3 cyl Mariner with oil injection. This boat/motor has been abused but luckily is still running well. However, I am worried that the oil pump will go bad and I won't know it until I have done substantial damage to the engine. Will it be obvious if it fails, or should I...
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    Do you change your lower unit gear lube?

    Was reading online and it has been suggested that it should be changed every year, but no one I know does and we haven't had any obvious problems. Just would like to have some opinions/experience before taking the risk of messing something up by trying it myself. Thanks
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    Mariner wont power to 100% Diagnostic test failed

    It's been awhile since I've been to the forum so here's the backstory. Last summer the motor was running fine. Then it developed a habit of not powering up to 100% until after an extended warm up, then would run fine the rest of the day. Finally, the extended warmup quit working and now it...
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