Best plugs for race/track bike?

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vfrman
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Best plugs for race/track bike?

Post by vfrman »

Ok, I know there was a thread about this topic somewhere, but I can't find it.

So, anyone have any idea which temp plugs are best for a race/track bike that runs at altitude (1500 m ASL) and in hot climate (30-40 deg C)?

Er8
Er9 or
Er10?
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vfrman
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Re: Best plugs for race/track bike?

Post by vfrman »

I found this, but it doesn't really answer my question...

viewtopic.php?f=24&t=41298&start=0
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vfrman
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Re: Best plugs for race/track bike?

Post by vfrman »

Wow. I answered my own question...

http://www.vsource.org/VFR-RVF_files/Bvfr400r-mi.htm

er10eh it is.
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mruehl34
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Re: Best plugs for race/track bike?

Post by mruehl34 »

I use ngk er10eh

Michael
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Re: Best plugs for race/track bike?

Post by mruehl34 »

Or you can also use ngk r847-10, but very expensive. And I don't know if they were better.

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micpec
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Re: Best plugs for race/track bike?

Post by micpec »

tbh I still wonder why these were mentioned in the nc35 hrc set-up manual (ngk r847-10 or -11)...?
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Re: Best plugs for race/track bike?

Post by dgunthor »

yes, er9 standard, er10 hot
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Re: Best plugs for race/track bike?

Post by Neosophist »

there were a load of the r847 plugs cheap i should have bought last year, 20 plugs at (2 pounds each..) single plug sells for more than that... ah well no use to me.

they dont have an electrode arm, just a centre electrode. i think youd need a full kit bike to use those anyway as they foul up easy if not run upto temp
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Re: Best plugs for race/track bike?

Post by hunter »

R847.They were fifty quid each in theyer day.
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Re: Best plugs for race/track bike?

Post by micpec »

I've collected loads of new er9eh's for cheap, most of them I discovered in small boxes stuffed away in an old shed not long ago, made a silly nid and suprisingly I bought it for couple of € each :grin: but also Iridium ones and found a few r847's for a couple of beers extra.
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