I got a 5th gear problem..

[Spyder]

It might be an ignition problem but it feels like somethin wierd..

I came to this board thinkin someone might gimmie a second opinion, cuz Im all out of options.

It runs, drives, rev's, and has all kinds of power in 1st threw 4th gear.. The minute I get into the mid range power in ONLY 5th gear, it has a skip or sputter (like a speed limiter but not as fast as a rev limiter)

I can get it up to almost 60 in 4th with no problem.. But if Im easy on it and shift into 5th at a lower speed it still does the same thing.

Anyone got a clue? I know its not clutch, I just replaced the plates and springs with Barnett stuff... So I know its not slippin at a high speed. Its got a new plug, so I know its not cutting out.

Any insite on this matter would do me alot of good right now. Its not my bike, Im working on it for someone and its buggin the hell out'a me right now... I build 4 cyl race engines and stroker motors. I dont deal with single cyl issues like this lol