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Author Topic: Wrong plug  (Read 587 times)

Bruno

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Wrong plug
« on: November 27, 2014, 07:10:54 pm »
My NF has run fine since I got it,but checked the plug today and it's a short B7HS! I have fitted a used  BPR6ES that came out of the 1200 Sport I used to own.A resistor plug should be OK?

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banquo

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Re: Wrong plug
« Reply #1 on: November 27, 2014, 10:29:57 pm »
As on Facebook page, a resistor plug works fine.  8)

Bruno

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Re: Wrong plug
« Reply #2 on: November 28, 2014, 01:52:53 pm »
I did not think this post had worked as when I pressed 'post' I got that Syrian electronic hack thing (twice).So I posted on facebook.

Gaffertape

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Re: Wrong plug
« Reply #3 on: February 03, 2015, 02:37:27 am »
Hi  i replaced  the plug  when i first  got the bike  in 2012  with  BP6ES  from NGK  and have had no problems until recently   about 2000 kilometers  later.  Was having problems  starting   , checking  the plug  showed  it pretty  sooty  and wet  so i thought i  had a  carb  over choking issue  , something i had dealt with before  by  replaced the   choke cable  but  i replaced the  plug  again  and  it  starts  first  time .  A mate  suggested that  just might be the life span  of  the plug  ... hard to say   but i now have another  spare  in the  side box  at all time .
cheer
Ric

banquo

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Re: Wrong plug
« Reply #4 on: February 03, 2015, 09:28:15 am »
I had plug fouling issues for the first 2 years or so, always having to carry a clean spare in the box. Eventually, it started fouling up in town, having to be wheeled to the side of the road and fettled before it would start again. Tried a new HT lead, and finally resolved it by replacing the ancient Bosch coil, which was clearly giving up the ghost when warm. Never touched the plug since.
Coil was one for a BL Mini out of Halfords.

cloggy

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Re: Wrong plug
« Reply #5 on: October 15, 2016, 07:20:43 pm »
This is a very late add on but in my humble opinion NGKs are the wrong plug period as the market is flooded with chinese copies. I've had problems on several bikes and now buy Bosch. No more problems

Kater

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Re: Wrong plug
« Reply #6 on: October 19, 2016, 09:15:54 pm »
The correct heat rating is a NKG BP7RS - it equates the old Bosch W 225.  The 6 type is absolutely to low for the NF, it equates an old Bosch W175 !!!!!
I use the Champion N7YC too and had no problems  with them. As I know bring the Bosch sparks more problems...

Cheers Kater