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1989 20 HP Johnson power upgraded to 25 HP for zero dollars
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<blockquote data-quote="Johny25" data-source="post: 354241" data-attributes="member: 7791"><p>if it was reading double than your motor would be running 4970rpm which makes sense and would give you a 17% slip ratio.....which is not great. Get a tiny tach and get a good reading. I can assure you that if you buy a 15 pitch you will lug that motor and toast it eventually. You are likely going to end up at an 11 pitch to get RPMs up to par. You must be running a good load in that boat. What kind of boat is it anyway?</p></blockquote><p></p>
[QUOTE="Johny25, post: 354241, member: 7791"] if it was reading double than your motor would be running 4970rpm which makes sense and would give you a 17% slip ratio.....which is not great. Get a tiny tach and get a good reading. I can assure you that if you buy a 15 pitch you will lug that motor and toast it eventually. You are likely going to end up at an 11 pitch to get RPMs up to par. You must be running a good load in that boat. What kind of boat is it anyway? [/QUOTE]
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1989 20 HP Johnson power upgraded to 25 HP for zero dollars
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