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#1
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What are you guys using in your SHO, synthetic or standard?
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2019 Lund 1775 Impact XS Yamaha 115 HP SHO Trailmaster Custom Trailer MK Terrova I-Pilot Link Humminbird Helix 10 MSI G3N Humminbird Helix 7 |
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#2
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Standard 10w-30 Yamalube. Seems these engines take a while to break in. Hard cylinder walls. Like all my vehicles before synthetics, standard oil was good for 250-300k miles with no oil related failures. Just check and change it when your supposed to. I've never had oil related failure on any engine I've owned. Having said all of that, I may go to synthetic at 300hrs. Just to make me feel better about my 25k engine.
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2018 Alumacraft 205 Sport 250 SHO |
#3
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Be careful with full synthetic oil in small engines as it can seep by some seals and gaskets. Found this out the hard way on a generator.
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2015 Polar Kraft Frontier 179WT 2015 E-TEC 90 HO 2015 Trailmaster trailer Lowrance HDS7 Gen 2 Touch unit networked to a LMS 520c Lowrance Engine Interface cable Minn Kota Power Drive V2 US2 now with i-Pilot Custom designed and built rod holders Custom designed and built down rigger platforms All towed with my Trusty G2 '07 Toyota Tundra |
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#4
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That is generally caused by switching back and forth between conventional and synthetic, usually on older engines. Newer engines have different seal materials that can handle switching back and forth better, but can still be an issue. Best practice is to pick one and stick with it.
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#5
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Thanks everyone I appreciate it.
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2019 Lund 1775 Impact XS Yamaha 115 HP SHO Trailmaster Custom Trailer MK Terrova I-Pilot Link Humminbird Helix 10 MSI G3N Humminbird Helix 7 |
#6
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Once it quits making oil, the Yamalube Syn 10W30 or 5W30. I am running the 5W30 in my 250.
Keep a close eye on your oil level, as JJY has mentioned they are hard to break in following Yamaha's idiotic break-in procedure. I ended up using MMO in the oil to get them to seat in. |
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