Amsoil and New KAW 21

Discussion in 'Lawn Mowing' started by AuburnGuy, Jul 16, 2004.

  1. AuburnGuy

    AuburnGuy LawnSite Senior Member
    Posts: 279

    I just got a new rider with a 21 Kaw. I need to do the first oil change. i run amsoil in everything else. The dealer told me the rings would not seat properly if I did not use regular oil for the first 500 hours. I called Amsoil they said to use thiers. They said it will run smoother, but the rings will be fine. What do you guys think? Should I use the amsoil or regular oil?
  2. ProStreetCamaro

    ProStreetCamaro LawnSite Platinum Member
    Posts: 4,155

    I would say give it about 250 hours before you switch to amsoil.
  3. 65hoss

    65hoss LawnSite Fanatic
    Posts: 6,360

    I would start now. Nothing wrong with it. The 500 hours or even the 250 hours could take you a year or two if not.
  4. AuburnGuy

    AuburnGuy LawnSite Senior Member
    Posts: 279

    Would the amsoil have anything to do with the rings seating?
  5. 65hoss

    65hoss LawnSite Fanatic
    Posts: 6,360

    That is old school thought. Corvettes come with synthetic in them new. Many brands of cars do now. My new F250 comes with a synthetic blend from the factory. You can use synthetic from the start these days.
  6. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Posts: 10,812

    I use Red Line Syntheic Oil From 5 Hours On With no problems.
  7. Up North

    Up North LawnSite Bronze Member
    from MN
    Posts: 1,063

    I'm about a month into a new Snapper 52" Z with 21hp Kaw. It came with the Snapper oil in it which is synthetic. I've continued using the oil as I can get an extra 2 years of warranty on my engine. The oil is about $5 or $6 a bottle but to get 2 more years of warranty it's worth it to me.
  8. AuburnGuy

    AuburnGuy LawnSite Senior Member
    Posts: 279

    I think i will go ahead and use the amsoil then
  9. wriken

    wriken LawnSite Silver Member
    Posts: 2,154

    I start mine on syn, at 10 hours. Then go 40-50 hours on a filter/oil change
  10. i get a new truck car mower ..first thing i do ,,drain the oil and put amsoil in it.

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