Dirty fuel filter? - Page 2 - Victory Forums - Victory Motorcycle Forum
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post #11 of 16 (permalink) Old 08-05-2019, 04:56 PM Thread Starter
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Default Dirty fuel filter? Problem Solved!

Sorry if I make a short story long ...
Yes, I tried the Seafoam and while it seemed to run a little better it did not take care of the hesitation issue.
The humidity level here in eastern Pennsylvania finally dropped along with the heat and I just happen to have the day off from work so I went outside to check things out. When I hit the starter button the engine didn’t kick in right away So I tried it again, and when it did start it sounded like it was running on one cylinder. So I shut it off, pulled the spark plug wires off and reseated them, hit the starter again and it still was only running on one cylinder so I shut it off again. I kneel down and watched the spark plug area while I started it again and that’s when I noticed a tiny spark jumping from the front cylinder spark plug wire to the head. Upon closer inspection I noticed a stray single strand of wire coming out from where the boot meets the wire. That tiny wire obviously was letting electricity find the easiest path to ground rather than going to the spark plug. So I got a pair of wire cutters and cut it as closely to the point of egress as possible. Hit the starter again and it turned over immediately and ran smooth. A big smile went across my face and I hopped on the bike and took off with no more hesitation at all. I’m pretty sure I feel a little more power than I’ve had in the past few weeks.
These were brand new wires. This was just a slight manufacturing defect that this single strand was sticking out of the boot. Something so tiny I overlooked while installing these new wires a few weeks back. Something so tiny caused me so many headaches trying to figure out what was wrong. But everything is back to normal now. I even treated my baby to a tank of non-ethanol premium gas, which was surprisingly only nine cents more a gallon than the other premium gas is around.
Thanks for everybody’s input anyway! I’m sure glad I didn’t start tearing things apart and start spending money when all I had to do was inspect the wires before I put them on. Live and learn!
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post #12 of 16 (permalink) Old 08-05-2019, 07:55 PM
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Very glad to hear you found the problem and it was a simple fix and thanks for coming back to tell us about it. So many forget to do that.

This is a perfect example of how forums can be helpful in fixing a problem but they are not a replacement for actually being there with hands on.

It's also a good example of looking at the last place the bike was worked on. More than likely the issue is there.
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post #13 of 16 (permalink) Old 08-05-2019, 08:59 PM Thread Starter
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Yes. The issue was caused by the very thing done to improve performance. Or more specifically upgrade.
I find it interesting that the hesitation (miss-fire) issue didn’t occur immediately after replacing the spark plug wires, but about a week after. And even then it only happened below 3000 rpm on hard acceleration. I can only imagine that little tiny wire moving around at certain speeds, being blown back and forth just enough to get close enough to the fin on the head to cause that arc, intermittently diverting the electrical circuit away from normal spark plug operation.
These were reputable spark plug wires (Sumax 86075 Thundervolt by Taylor 10.4mm) so I never expected any sort of defect, no matter how small. Especially one that would impact performance!
Now my issue is to not get pulled over while I get high on the acceleration of the Hammer!
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post #14 of 16 (permalink) Old 08-05-2019, 10:17 PM
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post #15 of 16 (permalink) Old 08-05-2019, 10:49 PM
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Hmm So wonder if you wrote Taylor and told them your problem and maybe linked it here they would send you a new set? I was recently looking at a set of their wires I think over @ Witch Doctors. They aint cheap for sure $40 or so.
On the why @ under 3K rpm? At that rpm the motor and spark are for lack of better term "lazy" Once RPM goes up there is a bit more power pushing the spark and it can then push thru the resistor in the plug.

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post #16 of 16 (permalink) Old 08-09-2019, 08:37 PM Thread Starter
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The rpm relationship puzzled me too. The stray strand of wire was about an inch long (it was black so it could have been part of the shielding ?) so the only thing I could think of is certain air turbulence in that that vicinity pushed it closer to the head sporadically? It probably never had anything to do with the RPMs. I just don’t know. I still don’t know how I missed seeing that little thing sticking out when I installed them. Blinded by the excitement of something new no doubt.
Maybe I will write the company just to see if anything will come out of it, you never know.
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