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Need straight answer by afternoon

Discussion in 'Lawn Mowing' started by soloscaperman, Jun 10, 2008.

  1. soloscaperman

    soloscaperman LawnSite Gold Member
    Messages: 3,045

    Im going to change the oil in my mower. I got 6 large accounts in 3 days. Should I put mobil 1 syn 10-30 in my 2003 48 15 HP kawa motor?? Mower runs for about an hour to two hours straight each lawn in the hot heat. In 95+ heat should I use syn??

    I vouch for mobil 1 one used it in my bikes, sports car and my truck.
    I need a bigger mower LOL. You guys were right that I was gonna out grow my mower and trailer 3 months ago. Have 16 accounts in one year!! Just that I know oil breaks down at certain temps and since im getting more accounts and the temps are rising should I be worried. Most of my lawn are on the same straight route so the equipment doesn't cool down.
  2. C&K

    C&K LawnSite Senior Member
    from East TN
    Messages: 295

    We use 10-30 mobile one.
  3. lawnspecialties

    lawnspecialties LawnSite Silver Member
    Messages: 2,524

    I use Mobil 1 since it only takes 2 quarts. If a mower held something like 5 or more, I'd probably use conventional oil. I don't think that particular heat range would be a big concern for conventional oil.

    Since I use synthetic, I change every 100 hours. I'd probably go every 50 if I used conventional oil.
  4. bare31

    bare31 LawnSite Member
    Messages: 116

    mobil1 is great and easy to get, but amsoil makes an oil just for air cooled 4 stroke engines thats better.
  5. Stillwater

    Stillwater LawnSite Platinum Member
    Messages: 4,889

  6. Oldtimer

    Oldtimer LawnSite Bronze Member
    Messages: 1,459

    Still better, use Opti-4.

  7. siclmn

    siclmn LawnSite Senior Member
    Messages: 364

    I use dino 10-40 in my Honda Element, my BMW motorcycle, and all my lawnmower engines. Always have, always will. Clean oil and air filters are much more important then what kind of oil.
  8. Sammy

    Sammy LawnSite Bronze Member
    Messages: 1,734

    Rotella 15-40
  9. Hawg City Lawns

    Hawg City Lawns LawnSite Bronze Member
    Messages: 1,070

    royal purple 10w-30 little expensive at $6 a quart but well worth it
  10. jkason

    jkason LawnSite Senior Member
    Messages: 546

    Yes, you can, just expect to pay for it.

    Mobil-1 actually runs cooler in an air-cooled engine. (I measued it with a thermometer on a Fluke meter. IIRC, it was 90 degrees plus that day, and the difference in engine block temp was 20 degrees.)

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