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Dec 30th, 2023
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 NGK BPR 7HS 10.........cross reference
#4962433
06/10/10 06:18 PM
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Joined: Apr 2003
Posts: 10,620
chuckwagon
OP
TFF Guru
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OP
TFF Guru
Joined: Apr 2003
Posts: 10,620 |
I am trying to get this plug for my Mercury 5 hp motor but having conflicting information.
One parts guy trotted out a BPR 7HS plug. When I asked about the missing "10" in the number he said ....."It don't matter, just the first letters count."
I then asked him what the 10 was on there for and he said...."I dunno." I left.
Next parts place looked up the number and gave me a Champion .....RL 82YC that he "thought" would work. I told him I might be back.
Went to another place and they did not have the NGK but had a champion. The number they gave me was QL 78YC The guy said..."it should work." I left.
Can anybody give me a cross reference on the NGK BPR 7HS 10 Spark plug?
Thanks, Chuckwagon
****Sun sinking low....lines baited.....gentle south breeze blowing...you realize.........I AM! .
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Re: NGK BPR 7HS 10.........cross reference
[Re: chuckwagon]
#4962590
06/10/10 06:51 PM
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Joined: Sep 2007
Posts: 1,841
Dwight
Extreme Angler
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Extreme Angler
Joined: Sep 2007
Posts: 1,841 |
I would try a quick search on the web with the motor info....
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Re: NGK BPR 7HS 10.........cross reference
[Re: Dwight]
#4962614
06/10/10 06:57 PM
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Joined: Nov 2008
Posts: 94
KLaduke
Outdoorsman
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Outdoorsman
Joined: Nov 2008
Posts: 94 |
The "10" is the Gap of the plug
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Re: NGK BPR 7HS 10.........cross reference
[Re: KLaduke]
#4962905
06/10/10 08:07 PM
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Joined: Dec 2009
Posts: 1,482
RANGER SKI
Extreme Angler
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Extreme Angler
Joined: Dec 2009
Posts: 1,482 |
10 is gap and i would use a ngk in a merc they seem to run better
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Re: NGK BPR 7HS 10.........cross reference
[Re: KLaduke]
#4962997
06/10/10 08:25 PM
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Joined: Apr 2003
Posts: 10,620
chuckwagon
OP
TFF Guru
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OP
TFF Guru
Joined: Apr 2003
Posts: 10,620 |
The "10" is the Gap of the plug My Mercury manual calls for a spark plug gap of .040 How does this "10" fit into the scheme of things?
****Sun sinking low....lines baited.....gentle south breeze blowing...you realize.........I AM! .
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Re: NGK BPR 7HS 10.........cross reference
[Re: chuckwagon]
#4963146
06/10/10 08:53 PM
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Joined: Mar 2004
Posts: 1,960
sbump26
Extreme Angler
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Extreme Angler
Joined: Mar 2004
Posts: 1,960 |
go to www.iboats.com and ask on the mercury outboard forum what your plug number should be and the gap. the guys on the forums are very knowledge.
Put the plug in.
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Re: NGK BPR 7HS 10.........cross reference
[Re: sbump26]
#4963255
06/10/10 09:19 PM
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Joined: Jan 2009
Posts: 1,805
spankyttx
Extreme Angler
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Extreme Angler
Joined: Jan 2009
Posts: 1,805 |
b series gap
p projected tip
r resistor
7hs i believe is heat range and thread size
10 i'm thinking id's iridium electrodes.
the projected tip puts the spark it the fuel mix for better performance
Last edited by spankyttx; 06/10/10 09:21 PM.
LI-SI-WI-NWI
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 Re: NGK BPR 7HS 10.........cross reference
[Re: spankyttx]
#4974952
06/14/10 02:17 PM
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Joined: Jan 2005
Posts: 1,904
heybaylor
Extreme Angler
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Extreme Angler
Joined: Jan 2005
Posts: 1,904 |
the - 10 means it is wide gap (40-45)
without the 10 it is standard gap (25-35)
BPR 7HS 10
B=size, P=projected tip, R=resistor, 7=heat range,h=plug reach (threads) S= superwide heat range, 10 = electrode gap.
All this is on the "net "
"
hope this helps
Last edited by heybaylor; 06/14/10 02:28 PM.
heybaylor
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