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    4.3 TKS "Run On" fixed but Slight Loss in Performance

    I have a 2010 Mercruiser 4.3 TKS with Alpha Sterndrive V6 with 2 BBL Carb and Thunderbolt V Ignition (Engine s/n 1A612644) that has problems with run on. I read through Mercrusier Service Bulletin 97-17 "Engine Dieseling or Running-On" and have made the following changes to my set up in this...
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    Mercruiser Thunderbolt ignition Question

    I have a 2010 Mercruiser 4.3 TKS with Alpha Sterndrive. V6 with 2 BBL Carb and Thunderbolt V Ignition (Engine s/n 1A612644) Recently I have been troubleshooting the TB V ignition system. I have a question about how...
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    Mercruiser Thunderbolt V Ignition No Longer Available

    I have a 2010 Larson 1850LX it came with a Mercruiser 4.3 TKS with Alpha Stern 4.3L V6 with 2 BBL Carb and Thunderbolt V Ignition (Engine s/n 1A612644) Thunderbolt V Ignition Module p/n 861251-1 is acting up. Sometimes it works and lately most of the time it doesn't. If I do get the boat...
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