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  1. 02-06-2019, 09:30 PM #1
    Bassman53
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    2003 250 HPDI spark plugs

    I'm sorry I know this has probably been asked a million times but I can't find it
    What are the best spark plugs to use in my 2003 Yamaha HPDI 250. Also Gap and any other info needed.
    Motor tag in pic.
    Thanks in advance
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  2. Rickp
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    #2 02-07-2019, 06:47 AM
    NGK BKR6EKU GAP .025
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  3. Bassman53
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    #3 02-07-2019, 06:39 PM
    Quote Originally Posted by Rickp View Post
    NGK BKR6EKU GAP .025
    Ok thanks, O'Reilly auto parts had them. Ended up getting them for $2.69 each because they messed up so bought 2 sets.
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  4. ifishinxs
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    #4 02-08-2019, 03:16 PM
    That reminds me. It’s time for new plugs!
    2024 Phoenix 818, Mercury 175 (3B414035) Trick Steps, 3 Garmin 106 SV,s, LVS 34. BoatEFX dual bow mount. Ionic 12V 125AH, 2 12V 100 ah LiTime’s for the TM. Minn Kota 345 PCL charger,
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  5. Greenskeeter
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    #5 02-08-2019, 04:26 PM
    check ebay just found some for under $5
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  6. dre1965
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    #6 02-09-2019, 09:18 PM
    I was told by someone that they are pre gapped and your not suppose to gap them.
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  7. Dug71
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    #7 02-20-2019, 08:49 AM
    Quote Originally Posted by dre1965 View Post
    I was told by someone that they are pre gapped and your not suppose to gap them.
    but if someone drops the box.....
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  8. ifishinxs
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    #8 02-27-2019, 04:16 PM
    I get mine at Auto parts Plus for right around $5.00 each. The plugs come with a protector covering the anode. You would need to step on the box to screw one up.
    2024 Phoenix 818, Mercury 175 (3B414035) Trick Steps, 3 Garmin 106 SV,s, LVS 34. BoatEFX dual bow mount. Ionic 12V 125AH, 2 12V 100 ah LiTime’s for the TM. Minn Kota 345 PCL charger,
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  9. yam911
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    #9 02-28-2019, 04:52 PM
    Although the plugs should have been gapped at the factory the usual procedure is to verify the gap before the plug is installed.
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