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#1
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And so it continues...
Ran her this evening and can't get past 3/4 throttle or she dies out. Up to 3/4 everything seems okay but once I bump it past there it stalls out. Even if I just throw it WOT and back she fades and then comes back to life. Any thoughts? There is no high speed adjustment on the carbs so i don't know where to go from here. Here's where I stand... Brand new tank, fuel line, primer bulb and fuel pumps cleaned so I don't think there is a shortage of fuel. Also it won't even try WOT as if it has gas and then runs out, it just dies as soon as I move it up past 3/4. -Svence
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1984 V-20 Steplift 1998 Johnson 175 Last edited by csvencer; 05-06-2011 at 06:22 PM. 
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#2
05-07-2011, 09:16 AM
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Anyone know what the compression numbers should be on this? Just did it and they seem low, but even. Top 80, 84, 85, 80 Bottom. Could just be the compression tester (autozone loaner) but I have no idea what it should be.
-Svence
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1984 V-20 Steplift 1998 Johnson 175
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#3
05-07-2011, 11:50 AM
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Just going to keep this thread updated....
Well stator is toast and I am down two coils (might be firing might not, both tested ok, not okay, okay, not okay). Think that may be why I am not getting any power under load. -Svence
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1984 V-20 Steplift 1998 Johnson 175
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#4
05-09-2011, 09:54 AM
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That really sucks. I hoped you had her all ironed out. What do the plugs look like? They should be pretty wet if the fuel issue was solved. Drenched if the ignition is fouling up. Check and recheck the grounds for the coils. I think they ground to the mounting plate on that motor. If the stator is junk, I would start there and also test the trigger thouroughly because you will have the flywheel off anyway.
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#5
05-09-2011, 10:55 AM
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Stator and four coils with plug wires on order. Trigger tested out fine based on the Mercury manual. The plugs were definitely getting fuel, plenty wet when I pulled for compression test. I am just glad I am finding things wrong that I can fix and not just hitting a dead end.....although it would be nice if there were things to find wrong ;)
-Svence
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1984 V-20 Steplift 1998 Johnson 175
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#6
05-10-2011, 06:43 PM
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Your compression seems a little low but thats not that terrable as long as each cylinder is within 10% .
sounds like to me your on the right track with the stator.Change that out and you'll have a nice set up.that;ll bre hard to beat
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#7
05-14-2011, 03:27 PM
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Well now I can get a charge coming off the engine (wasn't putting any amperage/voltage back to the battery before) but didn't fix my WOT problem. Seems like the motor just dies out when I give it more that 3/4 throttle. Fast idles great, idles warm ok but when under power it dies out as the throttle is applied. Any other ideas? Could this be a timing issue? Trigger checks out, coils/stator/plugs/rectifier all replaced. Carbs cleaned, fuel pumps redone. What am I missing?
-Svence
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1984 V-20 Steplift 1998 Johnson 175
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