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Thread: What spark plug do I need for DRR 50 MHR team cylinder and rank.

  1. #1
    Join Date
    Jun 2008
    Location
    Southern Ohio
    Posts
    30

    What spark plug do I need for DRR 50 MHR team cylinder and rank.

    I need to know what spark plug to run in a 50cc Malossi MHR team motor for xc and mx mix. Thanks.

    Also if anyone knows what thread pattern the hole is in a malossi head that you plug off is that would be great.

  2. #2
    Join Date
    Feb 2012
    Location
    Cerulean KY
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    102
    BR9EIX
    That's a common ran plug.
    The temp gauge hole can be pluged by a brass plug from an automotive store. Not sure on size tho.
    Proud father of
    Lucas Dunning 171
    Logan Hale 17

  3. #3
    Join Date
    Mar 2009
    Location
    cherry valley
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    956
    Check your clearance so plug electrode does not get smashed
    But tuat is the right plug mentioned above
    We run it as the iridium but if on a budget a regular should be fine

  4. #4
    Join Date
    Jun 2008
    Location
    Southern Ohio
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    We have 20 thousands of squish. So will that be enough space. Also what benifit is there in using iridium over standard plugs.

  5. #5
    Join Date
    Mar 2009
    Location
    cherry valley
    Posts
    956
    You will have to check the fitment
    Put plug in while piston is down from TDC
    Gently roll it over and c if it clears
    If not space it using spare plug crush washers or plug indexing spacers

  6. #6
    Join Date
    Feb 2012
    Location
    Cerulean KY
    Posts
    102
    Iridium plugs are easier on to spark so the ign system is under less stress.
    Proud father of
    Lucas Dunning 171
    Logan Hale 17

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