Yamaha 40N/50N 40 and 50 HP Outboard Motor Service/Shop/Repair - Unanswered Questions, Problems & Issues

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Yamaha 90hp 2 stroke.model 90AE10. serial number 502403.What year is it
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Be the first to answer 1/8/2018 4:40:50 AM • Yamaha 40N/50N... • Posted on Jan 08, 2018 • Be the first to answer
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Can you please give the spec's for a Yamaha 50DRO 6H5 S
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Be the first to answer 1/8/2017 8:58:48 AM • Yamaha 40N/50N... • Posted on Jan 08, 2017 • Be the first to answer
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ALLARM BUZZER GOING OFF PLENTY OIL AND WATER
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Be the first to answer 3/19/2016 6:19:19 AM • Yamaha 40N/50N... • Posted on Mar 19, 2016 • Be the first to answer
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What year is yamaha outboard engine serial no 70 BETO 6H3 L 463342
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Be the first to answer 12/11/2015 11:39:04 PM • Yamaha 40N/50N... • Posted on Dec 11, 2015 • Be the first to answer
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I want to hot wire the motor to start. it is on a stand.
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Be the first to answer 9/25/2015 8:34:27 PM • Yamaha 40N/50N... • Posted on Sep 25, 2015 • Be the first to answer
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Doesermostat a 40 hp outboard have a th
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Be the first to answer 8/17/2015 4:50:43 PM • Yamaha 40N/50N... • Posted on Aug 17, 2015 • Be the first to answer
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Were is the tremoustato of Yamaha 60hp 1983
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Be the first to answer 3/7/2015 9:55:36 PM • Yamaha 40N/50N... • Posted on Mar 07, 2015 • Be the first to answer
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How many pounds is a crankshaft torque for a yamaha hpdi 250
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Be the first to answer 12/20/2014 10:52:47 PM • Yamaha 40N/50N... • Posted on Dec 20, 2014 • Be the first to answer
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Where is my restrictor plate located on my 2003 50 hp Yamaha outboard?
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Be the first to answer 9/25/2014 9:01:27 PM • Yamaha 40N/50N... • Posted on Sep 25, 2014 • Be the first to answer
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How do you service a autoloop pump on a Yamaha 50 hp autoloop
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Be the first to answer 8/22/2014 6:38:34 AM • Yamaha 40N/50N... • Posted on Aug 22, 2014 • Be the first to answer
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How to diagnose iac vale on yamaha f40
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Be the first to answer 2/3/2014 9:50:33 AM • Yamaha 40N/50N... • Posted on Feb 03, 2014 • Be the first to answer
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Manual for a yamaha M18 edrive electric outboard
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Be the first to answer 12/31/2013 12:26:45 PM • Yamaha 40N/50N... • Posted on Dec 31, 2013 • Be the first to answer
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Yamaha outboard f100 torque
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Be the first to answer 8/24/2013 9:12:45 PM • Yamaha 40N/50N... • Posted on Aug 24, 2013 • Be the first to answer
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Broken butterfly valves on yamaha Pro V 150 carburator
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Be the first to answer 3/23/2012 10:37:34 PM • Yamaha 40N/50N... • Posted on Mar 23, 2012 • Be the first to answer
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What does FTLR mean in model number for Yamaha
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Be the first to answer 1/25/2011 3:27:32 AM • Yamaha 40N/50N... • Posted on Jan 25, 2011 • Be the first to answer
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Need a repair manual for 1987 Yamaha outboard 2 stroke 200 hp model # L200ETXG
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Be the first to answer 3/21/2019 11:12:44 PM • Yamaha Boating • Posted on Mar 21, 2019 • Be the first to answer
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Year of a yamaha out board 70 hp ,70 BIIO SH3 L 481757
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Be the first to answer 9/9/2018 6:03:11 AM • Yamaha Boating • Posted on Sep 09, 2018 • Be the first to answer
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90 yamaha outboard 2 stroke,which side of plastick insert faces inward on pressure control valve or poppit valve,the longer or shorter side?
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Be the first to answer 3/23/2018 6:17:25 PM • Yamaha Boating • Posted on Mar 23, 2018 • Be the first to answer
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I'm trying to convert my oil injection, to straight 50-1. 96 Yamaha waverunner ?
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Be the first to answer 3/11/2018 11:33:53 PM • Yamaha Boating • Posted on Mar 11, 2018 • Be the first to answer
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Does anyone know what is the compression ratio on a 30 d yamaha outboard as I can not find it
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Be the first to answer 1/23/2018 1:19:53 PM • Yamaha Boating • Posted on Jan 23, 2018 • Be the first to answer
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