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  1. #1

    2003 Yamaha Fx140 issues

    New to the forum.

    I bought two Yamaha FX140s today. First one runs like a charm, did an oil change and put new spark plugs in. The second one seems to have some oil or grime in the cylinder. Pulled the spark plugs and they were covered in a oily substance, didnít want to crank it without looking into it. Any advice on how I should tackle this? Thanks I appreciate any advice.

  2. #2
    Myself's Avatar
    Join Date
    May 2007
    North Central Arkansas
    Guessing you have not started that one up? Could be heavy fogging residue? Bump it over with the plugs out and see if it spits anything out of any cylinders.

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