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  1. L

    Older groundmaster 120 electrical

    My local napa is great and we made sure on the right key switch everything is right there unless changed before I ended up with it not positive where thd tag is I know it's a Kohler engine but it has been sitting outside for so long most markings are gone thanks for replying
  2. L

    Older groundmaster 120 electrical

    At my wits end good mower runs good I just can't figure out the battery draw new key switch and resistor not great with colors puts me at a disadvantage it runs good fixed the rich running but turning the key to off will not kill the engine and the wires all look good under cowel to coils and if...
  3. L

    Exmark 22.5hp blowing white

    To finish off this thread a lot of great info you all gave me thank you. I think I put a period there. It was the rings and I figured just do the rebuild machine shop was nuts on head surfacing so I did do the 80 grit 150 to 600 grit paper on block and heads first start no smoke and purrs like a...
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    Exmark 22.5hp blowing white

    Breather is functioning good and very clean after when I pull the pistons out the rings in the lower cylinder were not spaced 120 degrees there ring end gaps were about an 1/8inch apart pretty sure Well hell I thought it was lawn mower forum not English class
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    Exmark 22.5hp blowing white

    Breather is functioning good and very clean after when I pull the pistons out the rings in the lower cylinder were not spaced 120 degrees there ring end gaps were about an 1/8inch apart pretty sure it is the problem but having it tore down I figured just rebuild with new
  6. L

    Exmark 22.5hp blowing white

    I wanted to update everyone on this problem I took the engine out last night and tore it down today this mower is a 2017 model with 218 hours once I pulled the pistons cylinders 2 I think the lower one anyways the compression ring end gaps were maybe an 1/8th of an inch apart so ordered complete...
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    Exmark 22.5hp blowing white

    After some talk with my friend i think I left out a big part when the dipstick is removed it will shoot oil out for a distance so I do believe and agree with my friend that the rings are somewhat compromised I will be removing and disassembling again and will inform the forum
  8. L

    Exmark 22.5hp blowing white

    Leak down test 6 to 7 percent on both cylinders and that me trying to hold and plug in at 100 psi
  9. L

    Exmark 22.5hp blowing white

    This would be the first trouble I have had using them I use the thinner and move it back and forth with little pressure until clean
  10. L

    Exmark 22.5hp blowing white

    I do the 3 phase torque on heads as you say quick and why not I do not do sanding I guess I should try that from now on I do know the guys at the machine shop very well never ranyo this just did a compression test and I am at 112 and 110 but my tester i have little faith in I have to grab my...
  11. L

    Exmark 22.5hp blowing white

    All were done to spec I always use scotch Brite pads remove everything and brand new gaskets I never reuse and I torqued to the exmark spec I just ran it for 40 minutes sounds good but smoke it would clear up the hit again and I burnt from full to fill level I am going to do another leak dow...
  12. L

    Exmark 22.5hp blowing white

    Severe amount of white smoke problem is this winter I rebuilt it split sump everything looked great new head gaskets and the valves were lapped to remove little pitting today I put the engine back on and it is still smoking like last year I have checked the read valve seems to be working as it...
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