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Thread: D2 pony?

  1. #1
    Join Date
    May 2020
    Location
    Bad Axe MI
    Posts
    13

    Default D2 pony?

    Trying to get my new to me D2 pony running. It has no spark so I was checking the mag. Ended up pulling the mag. Found the drive gear with a tooth off. Whatís the chance it was running like that? Could the broken tooth be somewhere it canít hurt anything now? Seems like the cam gear is a little sloppy. The teeth on the cam gear show a little trauma but not bad. Guessing I will be pulling the motor off to have a look. What say you? If Iím pulling the pony is there some things I should be checking before it comes off? Thanks.
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    Last edited by Sf1066; 06-02-2020 at 08:13 PM.

  2. #2
    Join Date
    Apr 2007
    Location
    Elkhorn, WI
    Posts
    3,868

    Default

    That Mag MIGHT work once with the tooth missing but I would chance it!
    Is this an early J style or later U style? Makes a slight difference in Pony removal.

  3. #3
    Join Date
    Feb 2007
    Location
    Ste-Julie
    Posts
    1,141

    Default d2

    This magneto look like a WICO and with missing teeth on the gear you should check the flywell she must be shaking and by a bad front crankshaft bearing and check if the flywell is going up and dan and yes you better pulling the starting engine before more trouble.

  4. #4
    Join Date
    Nov 2006
    Location
    Pittsford NY
    Posts
    4,919

    Default

    You may be able to snag the broken-off tooth out of the gear chamber with a magnet, but if you can't, you'll need to pull the pinion assembly so you can fish it out. Don't be tempted to leave it in there
    Cheers,
    Neil.

  5. #5
    Join Date
    Dec 2006
    Location
    victoria australia
    Posts
    3,479

    Default Tooth Breakage

    Hi Team,
    shaft breakage was an initial problem and when that was addressed then tooth breakage become the result with loose flywheel--as Hector said-- and/or excessively worn pony main bearings, also excessive crankshaft end float could be an influence as well.
    Cheers,
    Eddie B.
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  6. #6
    Join Date
    May 2020
    Location
    Bad Axe MI
    Posts
    13

    Default

    Thanks guys. I suspect the flywheel is loose. It looks like the nut has been messed with. I have zero history on this unit and the former owner is deceased. So I guess I will pull it after planters stop around here. Looks like itís going to take more than I hoped to get it to fire. Oh well.

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