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  1. #1
    New Member
    Join Date
    Mar 2012
    Posts
    6
    Location
    augusta,ks
    Tractor
    cub cadet 1045

    Default cub cadet starting problem

    Hi everybody, first time question. Cub cadet 1045 with 20hp Kohler courage engine. When starting it will only turn until it is under compression and stops. Got a new battery that has been double checked, it's good. I've looked over the wiring tried jump starting off my truck battery, no good. Pulled the spark plug and it turns over fine. Just can't get over that compression hump, any ideas ?

  2. #2
    New Member
    Join Date
    Jul 2008
    Posts
    12
    Location
    Havelock Ontario Canada
    Tractor
    2004 NH TC24D

    Default Re: cub cadet starting problem

    Have you checked your valve settings? If they are too loose then you will build compression in the cylinder. I had the same problem with a B&S once I set the valves it turned over like new

    Terry

  3. #3
    New Member
    Join Date
    Mar 2012
    Posts
    6
    Location
    augusta,ks
    Tractor
    cub cadet 1045

    Default Re: cub cadet starting problem

    Thank brother, i'll check it out. It would be nice if I had a service manual for this. The engine is a mod#SV690. Don't think they make them anymore. I've tried looking for one with no luck.

  4. #4
    Veteran Member Kernopelli's Avatar
    Join Date
    Oct 2006
    Posts
    1,585
    Location
    Carterville, Illinois
    Tractor
    Mitsubishi MTE2000D, Dig It 258 Backhoe

    Default Re: cub cadet starting problem

    Kohler has very good manuals on their website. Just skip the questions if it asks and go to "find manuals". I think you might have a SV600 (spec 0009) engine though. Kohler Engines: Owners and Service Manuals: Manuals and Maintenance
    Darryl

  5. #5
    New Member
    Join Date
    Mar 2012
    Posts
    6
    Location
    augusta,ks
    Tractor
    cub cadet 1045

    Default Re: cub cadet starting problem

    Thanks for the manual link, much appreciated !

  6. #6
    New Member
    Join Date
    Mar 2012
    Posts
    6
    Location
    augusta,ks
    Tractor
    cub cadet 1045

    Default Re: cub cadet starting problem

    O.K. Took a look at the valves and adjustments, none needed. Next step, I thought i'd check the flywheel key to see if that maybe damaged. If it is , wouldn't that throw off the timing to where it would cause this to happen. What about going with a higher cold crank amps on the battery? This one really has me stumped.

  7. #7
    Gold Member RxRatedZ71's Avatar
    Join Date
    Feb 2010
    Posts
    250
    Location
    Edmond, OK
    Tractor
    JD 3203

    Default

    I have a CC1050 with the 23hp Kohler motor. I too have starting trouble. I replaced my battery, air filter,& plugs this year trying to remedy the problem. What made the most difference though, was changing the in-line fuel filter. It only struggles a bit when I first fire it up but not nearly as much as it did before.
    Poor timing and lack of planning on your part do not constitute an emergency on my part!





    JD 3203, 300 series loader, Frontier rotary cutter, Frontier boxblade, quick-attach bucket, Polaris Sportsman 600, Cub Cadet lawn tractor

  8. #8
    Elite Member
    Join Date
    Jun 2011
    Posts
    2,985
    Location
    Sunny SW Washington
    Tractor
    LS R4010 & Cub Cadet 7300

    Default Re: cub cadet starting problem

    I have a lawn tractor that was like that. The cylinder was loading up with gas while parked. I fixed it with a fuel shut-off valve that I close when it's parked. I know the problem I is in the carb, but I didn't want to take it apart.
    The Corporate Empire is NOT a Constitutional Republic...
    ...but it plays one on TV.

  9. #9
    Elite Member Don87's Avatar
    Join Date
    May 2010
    Posts
    4,226
    Location
    SW Pa.
    Tractor
    Massey Ferguson GC2400

    Default Re: cub cadet starting problem

    The only thing I see that wasn't covered...........is the starter weak?
    Don

    MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.

  10. #10
    Veteran Member Hooked_on_HP's Avatar
    Join Date
    Dec 2005
    Posts
    2,043
    Location
    Coal City IL
    Tractor
    Ford 1900 FWD Kubota F2100E

    Default Re: cub cadet starting problem

    I am not sure about the 2 cyl Kohlers but the single cyl has a set of advance weights on the cam gear. This retards the cam for cranking and when the engine starts the weights advance the cam. If these are stuck it will crank over verry hard. On my 16 hp you could get to the weights without dissassembling the engine. There is a cover you could remove and with a can of brake clean with a nozzel you could clean it. Hope this helps.
    Bill

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