weird huccup

[Tfrank59]

So I was tooling along yesterday on a country road, running around 3K RPMs, not thinking about my bike's performance (which is most often flawless), when suddenly for only a split second the engine sort of glitched.  I don't think it was like a misfire, more like a fuel stoppage.  But here's the thing, I'm not even certain it wasn't my own wrist--I'm getting old these days and I was in a slight turn, might have even hit a little bump--but I think the motor did a hiccup and it actually wasn't me.  The same thing might have happened a couple of years ago under similar circumstances.  Anyways, has anybody had that happen?  I might be losing my "grip" in my older years, but if not, and it's my Valk spazzing, I'd like to know that and if anyone's also experienced it.  I guess it's not a big deal--like I said, maybe once or twice in five years--but just a weird thing that puzzled me.

[Valker]

It has been reported before. Mine did that several times over the years. It hasn't happened in the past 5 years though. Maybe it's finally broken in at 175,000 miles. It never lasted more than a split second.

[Gryphon Rider]

It's never happened to me, but it has been reported on this board several times over the years.  I don't think a cause has been confirmed, and I don't think it's something that escalates into a real problem.

[JimC]

It has happened to me on two different Valkyries a total of 3 times. Mine was a cut off of only a second or less, it was like someone flipped the off switch as fast as they could.
I did some reading here on the boards and found that it is a fairly common occurrence, so I just ignored it. Hasn't happened in 2 years now so I don't even think about it.

Jim

[Avanti]

This would be a little unsettling if in the middle of no-where.

[longrider]

Three valks.   21 years and they all have had the hiccup at least two or three times a year.  Although I have never heard of a solution I feel it is static build up if some kind either in the pick up or ecm.  Ride on and don’t worry

[Novavalker]

Pull a vacuum on your petcock to see if there is a hole in the diaphragm.

[Hook#3287]

Out of 5 valks, it's happened 1, about 2001 or so.  Not since.

[Gryphon Rider]

Pull a vacuum on your petcock to see if there is a hole in the diaphragm.

Ignition cutout for a fraction of a second then full power thereafter isn't a symptom of petcock diaphragm issues.

[Pete]

Check the kill switch and the ignition switch.
If you have other keys (or something heavy) on a ring with your Valkyrie key, remove it/them.
Generally just check any electrical connections for any signs of residue or loose connections.

[Novavalker]

I had the same glitch once or twice over the years. Its likely nothing to get concerned about. For peace of mind maintain your fuel system. It wouldn't hurt to clean the fuel filter and if you have the OEM petcock check the vacuum every season.

[Bighead]

I have had it happen 3-4 times in the 22yrs I have had my Bee. Never happed on my IS. Never gave it any thought just kept riding

[Tfrank59]

Hey thanks for the responses guys. I don't plan on losing any sleep over it but if it happens again especially in the near future I'll probably have to deal with it. Good suggestion about checking my petcock or vacuum cuz I do have the OEM petcock. It's never given me any problem heretofore but that doesn't mean it won't.

[Bighead]

Hey thanks for the responses guys. I don't plan on losing any sleep over it but if it happens again especially in the near future I'll probably have to deal with it. Good suggestion about checking my petcock or vacuum cuz I do have the OEM petcock. It's never given me any problem heretofore but that doesn't mean it won't.

This is NOT a fuel problem. If it were it would last longer than a nano second.

[Gryphon Rider]

Hey thanks for the responses guys. I don't plan on losing any sleep over it but if it happens again especially in the near future I'll probably have to deal with it. Good suggestion about checking my petcock or vacuum cuz I do have the OEM petcock. It's never given me any problem heretofore but that doesn't mean it won't.

I wouldn't take apart or remove the petcock unless you are having problems with it, as it would be easy to damage the vacuum diaphragm taking it apart, or to have your petcock-to-tank connection start leaking if you don't have a new O-ring on hand to replace the old one with.  Feel free to check if the vacuum function holds vacuum, though.  Probably the best thing would be to order the cover set kit, which includes the diaphragms, to have on hand if you ever start having issues.  The hard part is, when you actually need it, remembering that you have it and where you've put it.

[Skinhead]

I've had this happen occasionally on both my bikes, 99 IS and 03 standard.  As a calibrator for GM, I've experienced a similar event in cars and trucks.  I suspect it is a random ECM reset.  They can occur out of the blue, and often with no identifiable cause.  Since they are so intermittent, they are hard to diagnose or root cause.  In layman's terms, the controller basically loses it's mind for a moment and ceases controlling.  Since our bikes only have electronic ignition control, I suspect there is an internal clock issue with the controller that causes a momentary loss of spark.

[Lyle Laun]

It’s a Valk thing, no big deal

Lyle

[gordonv]

I've had this happen occasionally on both my bikes, 99 IS and 03 standard.  As a calibrator for GM, I've experienced a similar event in cars and trucks.  I suspect it is a random ECM reset.  They can occur out of the blue, and often with no identifiable cause.  Since they are so intermittent, they are hard to diagnose or root cause.  In layman's terms, the controller basically loses it's mind for a moment and ceases controlling.  Since our bikes only have electronic ignition control, I suspect there is an internal clock issue with the controller that causes a momentary loss of spark.

It’s a Valk thing, no big deal

Lyle

quoted: Since they are so intermittent, they are hard to diagnose or root cause.

I've had 3 different IS, all 99'. My 1st & 2nd ones had this issue, and only happened once over the time of up to 1 year. A fuel issue would never be instant off/on. To prove this, all you have to do is turn off your petcock. Now turn your kill switch on/off, while going down the hwy, and see if it was more like that.

[97BLKVALK]

So I was tooling along yesterday on a country road, running around 3K RPMs, not thinking about my bike's performance (which is most often flawless), when suddenly for only a split second the engine sort of glitched.  I don't think it was like a misfire, more like a fuel stoppage.  But here's the thing, I'm not even certain it wasn't my own wrist--I'm getting old these days and I was in a slight turn, might have even hit a little bump--but I think the motor did a hiccup and it actually wasn't me.  The same thing might have happened a couple of years ago under similar circumstances.  Anyways, has anybody had that happen?  I might be losing my "grip" in my older years, but if not, and it's my Valk spazzing, I'd like to know that and if anyone's also experienced it.  I guess it's not a big deal--like I said, maybe once or twice in five years--but just a weird thing that puzzled me.

Did it happen on the same corner?  If so stay away from that corner...

[Tfrank59]

Did it happen on the same corner?  If so stay away from that corner...