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  1. #1
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    Apr 2005
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    Correct Spark Plugs for 1990 ProV 150

    Does anyone know that correct spark plugs for this engine and the specified gaps. I do not have an owners manual and I want to make sure I get the right ones. Thanks for the help.

  2. Member
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    #2

    Re: Correct Spark Plugs for 1990 ProV 150 (mpb360V)

    You should be able to find a sticker on the inside of the chin cowling that has the sparkplug and gap info on it. But anyway, it takes an NGK BR8HS-10 and you can get them from any Advance Auto or PepBoys for about $1.50 each. The gap is 1mm or .039" and the "-10" suffix on the plug means it's pre-gapped at 1mm for you. Torque the plugs down to 25Nm or 18 ft.lbs. when you re-install them.


    -Mike


    Hold My Beer And Watch This !

  3. Member
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    #3

    Re: Correct Spark Plugs for 1990 ProV 150 (Hamfisted)

    thanks for the info

  4. Member
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    Nov 2006
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    #4

    Re: Correct Spark Plugs for 1990 ProV 150 (mpb360V)

    At the top of this Yamaha forum you can look at owners manuals on line>>>>
    Mike

    In Memory of Michael
    Fantastic Father and Loving Son
    A true man at 23 years old

    "What was once a great country has been mortgaged and bankrupted by the egos and ethics of career politicians."

  5. Member
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    #5

    Re: Correct Spark Plugs for 1990 ProV 150 (Hamfisted)

    I just bought some plugs for my '05 carbed VMax 150 yesterday, I checked the plugs that were in it and bought the same. It had BR7HS-10 plugs in it, whats the difference between the 7's and 8's? I assume its got something to do with the heat range, so which should I be running?

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