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#1
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Went down today, got it to run with portable tank and my built in tank, same results, I don't think it's fuel. I can run it idling it using the throttle linkage at engine, keeping it at 800-1,000 RPM's when I push it close to 1,500 she kicks and shuts down, she is also running a little rough. After I was done running it I inspected a few plugs, they all looked normal except one, the bottom starboard plug was clean and shiny just how I left it after the last time I was there when I cleaned it. That doesn't seem right. Like I said from previous posts that plug was the one that always had black buildup on it whenever I changed plugs, yet the compression was 120lbs. on that cylinder. Didn't have time to check for spark, maybe that's the problem, waht do you think ?
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Tight Lines !! 
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#2
08-08-2011, 09:53 PM
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I found what I think to be my problem today, Had no spark on the # 1 cyl. tested the 0583740 ignition coil for # 1& 2 on #3 & 5 cyl. had no spark on # 3, bad coil pack. How common is it for these to go bad, I am thinking about changing all 3 ( only $30.00 each )?
0583740 IGNITION COIL
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Tight Lines !!
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#3
08-09-2011, 07:12 AM
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if it was one bank(one side of the engine ) that had no spark, its your power pack, if its just one cylinder, or various cylinders on either side, it could be coils and or power pack. The ground strap on the coils are subject to corrosion, you can remove the cols, clean the strap and the coil mounting surface, if the spark comes back, you've found your problems. If the power packs are old, I'd replace them both just because
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#4
08-09-2011, 08:15 AM
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Quote:
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'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#5
08-09-2011, 02:14 PM
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It was just the left side cyl. of the top coil (# 1 ) that had no spark, I swapped out the coil with the coil underneath ( # 3 & 4 ) and had spark on #1 with different coil but still no spark on the original one on the left side, now # 3
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Tight Lines !!
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