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Ok, so my girl is back up and running after 3 months. Everything was good for a couple days of city driving, and then noticed that getting on the accelerator it was getting hot fast and didn’t sound great.
(Bike is a 91 FLHS, as far as I know no major work done, but it came with Screaming Eagle ignition, which failed after probably 15k miles of me having the bike. Couldn’t afford the same ignition, so my local Indy shop put a Dynatec ignition in it. Also has straight pipes on it). Bike came to Texas from Chicago.
At the advice of one of my brothers, we swapped the main jet from a 170 (service manual calls for a 185) to a 190. It is running a lot better, and feels more powerful when I accelerate. Issue is, after I had the ignition swapped this spring, I noticed my top speed was significantly lower. Prior to this, I could cruise comfortably at 100-105. Ever since, best I can do is 95, and the bike is definitely not happy about it. She likes cruising at 80, MAYBE 85. Anything beyond that just doesn’t sound or feel right. Also, 4th and 5th don’t go above 4K rpms.
So where should I go from here? Fairly new to working on my own ****, but I don’t want to pay someone else to do stuff that helps me understand my motorcycle better.
The only logical thing that I can think of is that the VOES is disconnected. When I rebuilt the carb, I noticed this, but left it as is. Should I reconnect it? Any other things to look into?
I am planning on going through and replacing a lot of non-failed items on the bike just to refresh it during winter, so I don’t have as many issues during the warmer parts of the year.
Edit: has new plugs and wires as of last week
Also, the shop that did the ignition work is no longer in business, he retired.
Last edited by Cowboy812; Sep 1, 2018 at 12:44 PM.
Evo's don't like straight pipes, you'll never get it carbureted completely right with them there'll always be a flat spot or hesitation somewhere in the power band. They also tend to fall off on the upper end.
Evo's don't like straight pipes, you'll never get it carbureted completely right with them there'll always be a flat spot or hesitation somewhere in the power band. They also tend to fall off on the upper end.
I know that they won’t get sufficient back pressure on straight pipes, but these pipes were on it when it was going 20mph faster at cruising, so I don’t think that is the issue. But I do plan on adding different pipes in the nearish future
You changed a jet everything else changed along with it. It'll balance out well in one area and lose in another, kinda what you are dealing with isn't it ?
You changed a jet everything else changed along with it. It'll balance out well in one area and lose in another, kinda what you are dealing with isn't it ?
In a way, yes. But this particular issue was happening before I swapped the jets as well. So I don’t know where the issue is.
Originally Posted by texashillcountry
Did they install a Dynatek P or I??
The P just plugs in where the screaming eagle ignition was taken out and the I is installed in the cam chest.
which after reading the description, does need a VOES connection if I understand the product description correctly.
Originally Posted by texashillcountry
Your power loss isn't from the ignition it's in your carb.
In my experience Dynatek is way better than the screaming eagle ignition.
I’m not doubting you, however, why did the issue start after the ignition system swap?
Also, what would you do on the carb, other than put a super e on it? (As I told you before, I intend to, but my cash flow isn’t right yet to do upgrades unless absolutely needed at this moment.)
Another question...
