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Mariner 15Hp serial # problem

Bonwitco

New member
Hi

Got a Mariner 15C (ML) Ser No code 684C Serial number 345 755. Can anyone tell me the year, plug type and plug gap? I have just spent nearly 2 hours searching the web but cannot find anything? Starting to panic as I have a fishing competition this saturday and wanted to check everthing over?

Thanks in advance of someone's help!!!
Brian
 
This is a Made in Japan Mariner? I get 1989 for that number,so it's going to be NGK's but of the top of my head I don't have a plug number or gap for you,sorry.
 
For 1989 15hp Mariner I get NGK B-7HS or Champion L82 plugs with 0.024 inch gap - from SELOC manual. A manual is a great investment.
 
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