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  #1  
Unread 05-13-2014, 10:37 AM
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Default Which plugs? Yamaha 150 2 stroke

Model: 2004 Yamaha 150 two stroke model TXRC

Which spark plugs NGK BR7HS or BR7HS-10? I believe it is the same plug only the -10 is gapped differently. Anybody know which I should get? Pretty sure my motor has BR7HS in it now but I'm at work. Worst case I can look when I get home tomorrow but wouldn't mind picking these up on my way home.
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Unread 05-13-2014, 01:49 PM
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I believe the -10 means a resistor plug to prevent electrical interference with VHF radios and LORAN-C(when we still used LORAN C).
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Unread 05-13-2014, 10:51 PM
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Thanks for the response Ferm. I got home and looked under the cowl at the sticker and it says BR7HS 10 so that is what I will go with. I saw some stuff online about the resistor plugs so you are probably right on all accounts........
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Unread 05-13-2014, 11:03 PM
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Quote:
Originally Posted by THEFERMANATOR View Post
I believe the -10 means a resistor plug to prevent electrical interference with VHF radios and LORAN-C(when we still used LORAN C).
Actually the "R" means resistor, the 10 is 1.0mm gap.

neat link

http://www.sparkplugs.co.uk/pages/te...-plug-code.htm
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Unread 05-14-2014, 08:43 AM
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NIce link Cterrebonne, thank you.
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Unread 05-14-2014, 11:35 AM
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+1 awesome link! Thanks! Going to pickup my plugs now......
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Unread 05-14-2014, 02:03 PM
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Picked up 6 plugs and 3 gallons of Penzoil XLF synthetic blend 2 smoke lube juice. Walked out just shy of 80 bucks lighter than when I went in.
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  #8  
Unread 05-14-2014, 03:34 PM
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I have the BR7HS-10 in my 150 Yammi
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