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  1. boozedog

    Intermittent hesitation around 4K RPM

    @BISavage I did some searching on the forum and didn't find an answer -- does anyone have suggestions for brand/part numbers for a new air filter, fuel filter, and spark plug? Or should I just get it from the dealer?
  2. boozedog

    Intermittent hesitation around 4K RPM

    Thanks @BISavage I will give that a try and report back!
  3. boozedog

    Intermittent hesitation around 4K RPM

    No it's not clutch slipping, that much I can say for sure The engine revs do not increase during the hesitation. It does seem to me like a momentary fuel delivery interruption or an ignition interruption I will check that side stand switch for sure Also might try to get some GoPro footage of...
  4. boozedog

    Intermittent hesitation around 4K RPM

    Hard to say. I tried running some Star Tron through it in case it was bad gas. But it doesn't really seem to be improving. Big lurch/hesitation between 3K-5K RPM at partial throttle, I'd say about 1/2 the time it does it when accelerating through that range in the lower gears Oddly enough it...
  5. boozedog

    Intermittent hesitation around 4K RPM

    Hi everybody, just bought a used Svartpilen 401. I have noticed that this bike has a tendency to hesitate at about 4K RPM at partial throttle in 2nd gear. I haven't really noticed it happening in any other gear. The bike lurches and lunges and then accelerates as normal. Anybody else seeing...
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