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Old 07-09-2013, 11:38 AM
plc87 plc87 is offline
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what oil for my 34 EFI Kohler on my lazer? there's so many!!!

Having a tough time deciding on what case of oil to buy for my 34 efi kohler on my new lazer z with RED. Going with a Wix 1348 oil filter I think just haven't decided on what type of oil. My dealer says 10w 30. Any suggestions on brands?

Always used farm and fleets cheap 30 weight in my hustlers 25 kawi and never had any problems....
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Old 07-09-2013, 03:12 PM
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Keith Keith is offline
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Just pic one that meets spec Nothing wrong with any standard 10W30. Pennzoil, Valvoline, Shell, Chevron, etc. If you are going to run synthetic, it's hard to go wrong with Amsoil small-engine oil.

Personally I would stick with the Kohler filter as long as it's under warranty.
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Old 07-09-2013, 03:25 PM
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knox gsl knox gsl is online now
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I run rotella 10w30 great specs and price.
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Old 07-09-2013, 03:42 PM
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ProStreetCamaro ProStreetCamaro is offline
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I have the 29 efi with only like 40 hours now and I switched it to pennzoil 30wt and purolator pure one filter. The engine is very quiet and smooth and the start up smoke has completely stopped.
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Old 07-09-2013, 07:18 PM
Evolution IX Evolution IX is offline
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Amsoil.
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Old 07-09-2013, 08:38 PM
LazerX LazerX is offline
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eXmark and Kohler have released advisories to use 20w-50 on all Big Block Kohler EFI or Carb. Any good name brand oil but 20w-50
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Old 07-10-2013, 03:34 AM
caseysmowing caseysmowing is online now
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I'm using amsoil small engine oil with kohler filters. I bought 12 of the yellow filters off eBay for like 40 bucks so when they run out I will buy purolater pure ones. I'm not sure if the kohlor filters have the anti drain back valve in them. Anyone know?
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Old 07-10-2013, 08:05 AM
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puppypaws puppypaws is online now
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Quote:
Originally Posted by plc87 View Post
Having a tough time deciding on what case of oil to buy for my 34 efi kohler on my new lazer z with RED. Going with a Wix 1348 oil filter I think just haven't decided on what type of oil. My dealer says 10w 30. Any suggestions on brands?

Always used farm and fleets cheap 30 weight in my hustlers 25 kawi and never had any problems....
Kohler has always required 10W-30 in their engines, and I've personally always run their Kohler 10W-30 oil, this way if there is a warranty claim there is no way for them to squirm out of the issue due to claiming wrong oil as a line of defense.

How many hours on your new engine, and is it using any oil?
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Old 07-10-2013, 10:14 AM
LazerX LazerX is offline
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This is from recent Service Advisory from eXmark.
RED Module Limp Home Mode (RMLHM)(Engine governed to 2500, blades won’t engage)
Check oil condition, level and grade. As the previous advisory stated, the oil should be checked
after the unit has sat for a couple minutes, and the dipstick SHOULD NOT BE screwed onto the
tube for the correct level. It is important that operators check the fluid level no less than daily,
these big block engines may consume more oil than the typical small block engines, especially
under high load conditions. If it is even slightly low, the oil pressure switch can be tripped,
triggering the RMLHM. This is especially true on hilly or rough terrain, rapid changes of
direction or steep trailer ramps.
Kohler has recently changed their oil recommendations for ALL big block engines (Carbureted and EFI) from 10W-30 to 20W-50 Grade SJ or better. Exmark has found that the change to this oil, not only reduces oil consumption, but can also stabilize the engine oil pressure and prevent the module from prematurely setting the RMLHM.
(I would also highly recommend using the Kohler Oil Filter)
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Old 07-10-2013, 10:58 AM
Exmark PR Exmark PR is offline
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Exmark recommends using 20W-50 to reduce oil consumption and false low oil pressure faults.
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