Dies With a Screetch

Discussion in 'TR650' started by nycrider, May 17, 2015.

  1. nycrider Husqvarna
    AA Class

    Husqvarna Motorcycle:
    TR650 Strada
    Other Motorcycles:
    Aprilia Dorsoduro 750, Suzuki DR650
    The hot weather kicked in again and brought back something to my memory that has happened multiple times last summer. When pulling off from a complete stop and fiddling with the clutch and throttle, the bike dies with a loud screech that doesn't sound good. I don't know if it's weather related, but I don't seem to recall hearing the screech when the bike dies during cold weather. Here's a vid:


    View: https://youtu.be/vu5Fd4ac1lE


    Is this anything to worry about?

    EXTRA: Now this does not relate at all to the issue above, but has had me curious. Sometimes when trying to hit the throttle at any speeds to accelerate, a weird sound comes from the gas cap area, making the throttle twist unresponsive for that single twist and then everything else is all right. I can't find a word to describe that sound, but it kind of sounds like a human hiccup.
  2. Mark_H Husqvarna
    AA Class

    Location:
    Lapu Lapu Cebu Philippines
    Husqvarna Motorcycle:
    2013 TR 650 Strada; 2015 Nuda 900R
    Other Motorcycles:
    Honda XRM 125, Kawasaki Curve 115

    The 'dies with a screech' sometimes happens to me when my bike stumbles or stalls and on mine it is the engine kicking backwards against the starter motor bendix arrangement - not good, sounds horrible and possibly very damaging but so far I haven't suffered anything more.

    The hiccup sounds like it is also related to the lean stumble and is a half hearted backfire which you hear through the airbox (gas cap area). The simultaneous lack of engine response is also associated with the lean stumble.
    snail_72 and nycrider like this.
  3. nycrider Husqvarna
    AA Class

    Husqvarna Motorcycle:
    TR650 Strada
    Other Motorcycles:
    Aprilia Dorsoduro 750, Suzuki DR650

    Quick response, didn't get to upload the vid in time :) So is there anyway of avoiding it? Thank you for your input!
  4. Mark_H Husqvarna
    AA Class

    Location:
    Lapu Lapu Cebu Philippines
    Husqvarna Motorcycle:
    2013 TR 650 Strada; 2015 Nuda 900R
    Other Motorcycles:
    Honda XRM 125, Kawasaki Curve 115

    Ok having now seen the vid it is definitely as I described, the engine kicking back against the starter motor gear. If it is any consolation, your video screech is not has as bad as some of the crashing bangs and screams I have had come from my engine when it happened.
    Quite often after one of those stalls, I have gingerly pressed the starter expecting it all to go totally bang and mash everything up, but so far it hasn't.

    As for the cure...how long is a piece of string? There are literally 1000s of posts on various remedies and some have a lot more success than others.
    I am currently experimenting with yet another piece of electronics to see if I can eradicate the lean stumble issue totally.
    nev.. and nycrider like this.