Mower Leaves Two Stripes of Uncut Grass???

Discussion in 'Mechanic and Repair' started by mowerman48, Sep 1, 2006.

  1. mowerman48

    mowerman48 LawnSite Member
    Messages: 12

    I have a 2001 48" Exmark Hydro Walk behind mower. When I cut even at slow speeds on some yards I'll get two ridges where the blades over lap that doesn't cut. I've tightened belts, cleaned out debris under the deck, Sharpened and replaced the blades. I'm still having the problem. It doesn't make is the grass is dry or wet, it still happens. I'm running 16-1/4" Mamba High lift Mulching blades. I would really appreciate your thoughts. The mower has 6 speed designations I normally mow at 2-1/2 to 3, Is this reasonable? could I go faster

    Thanks Kyle

    Exmark 1.jpg
  2. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Messages: 10,812

    use the solid lift exmark blades.
  3. MowerMedic77

    MowerMedic77 LawnSite Bronze Member
    Messages: 1,164

    Check your spindles may have a bad one or more.
  4. Ron's Lawncare

    Ron's Lawncare LawnSite Senior Member
    Messages: 266

    i have that same setup. mine cuts fine did you measure the blades? Walker had a batch of 42'' blades marked with the 48'' part # that screwed with me for a week or so earlier this summer....
  5. khouse

    khouse LawnSite Bronze Member
    Messages: 1,465

    maybe a blade or two is upside down? maybe too short of blades? loose belt? worn belt too deep in the pulleys?
  6. elshauno

    elshauno LawnSite Member
    Messages: 182

    You should be able to go faster with that mower. as far as whats wrong I have no clue
  7. Prolawnservice

    Prolawnservice LawnSite Senior Member
    Messages: 612

    If you sharpen your blades alot, it coud be caused by rounded corners on the blades.

    TURF DOCTOR LawnSite Silver Member
    Messages: 2,138

    Most All Ways It's Your Blades Keep Us Posted.
  9. Godfather

    Godfather LawnSite Member
    Messages: 186

    the tines on the back of the blades change air flow. I had gators leaving mohawks too
  10. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Messages: 10,812

    Try solids:cry:

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