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#4330211 - 02/15/17 02:37 PM Spark plug for GCV160 Honda engine.
2civics Offline


Registered: 07/12/15
Posts: 360
Loc: Indiana
I have a conundrum. The spark plug that came with the mower is a NKG BPR5ES. The manual calls for a NKG BPR6ES. I need to replace this spark plug. Which one do I go with? Thanks.

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#4330224 - 02/15/17 02:45 PM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
GravelRoad Offline


Registered: 05/30/15
Posts: 165
Loc: Virginia
My parts lookup calls for a BPR6ES if that helps.
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#4330237 - 02/15/17 02:54 PM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
HerrStig Offline


Registered: 08/24/11
Posts: 9560
Loc: Boston, MA
My Honda mower came with the BPR6ES. THe 5 is the next hotter heat range. The "R" indicates a resistor plug, not sure why a mower
needs that. I use a BPR6EV which is the platinum tip version of the BPR6ES plug. A little more expensive but the fine wire tip works well. I've seem that plug in eveything from BMW bikes to SAAB auto engines.

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#4330255 - 02/15/17 03:10 PM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
2civics Offline


Registered: 07/12/15
Posts: 360
Loc: Indiana
Okay. Must have been their mistake from the factory. Thanks!

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#4330373 - 02/15/17 05:00 PM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
Trav Offline


Registered: 11/20/06
Posts: 18873
Loc: MA, Mittelfranken.de
Look at the color of the plug, if its good use that heat range if its looks looks white drop the heat range (not applicable to FI engines). You can use either BPR6EIX or BPR5EIX if you want to run a long life easy starting iridium.
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#4330574 - 02/15/17 08:36 PM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
TLAR640 Offline


Registered: 08/20/03
Posts: 134
Loc: south AL
Per Honda's website, mowers come with BPR5ES, and pressure washers have the BPR6ES.
I emphatically agree on BPR5E-IX iridium plugs making for easy starting.
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#4330590 - 02/15/17 08:58 PM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
EdwardC Offline


Registered: 11/14/13
Posts: 1862
Loc: Chicago, IL
I've used the V-Power version, BPR5EY in small Honda engines with no trouble. I've never spring for an iridium since most of my small engine es really so they much use. As long as I use NGKs, no trouble starting!

I recently bought a used EU2000i with a super cruddy original NGK spark plug, still ran just fine. Either the plug or the coil were awesome.

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#4330954 - 02/16/17 09:20 AM Re: Spark plug for GCV160 Honda engine. [Re: TLAR640]
Rab6715 Offline


Registered: 12/02/16
Posts: 72
Loc: Midwest
+1. 5 for mowers, 6 for washers. I think all the Chonda stuff is 6, unless you use the Torch OEM Chinese plug.

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#4331016 - 02/16/17 10:21 AM Re: Spark plug for GCV160 Honda engine. [Re: Rab6715]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4216
Loc: Storrs, Connecticut
Originally Posted By: Rab6715
+1. 5 for mowers, 6 for washers. I think all the Chonda stuff is 6, unless you use the Torch OEM Chinese plug.


I hate those stupid Torch Chinese plugs. They have caused some strange running issues on Predator engines. Now whenever I build a Predator for a minibike/go kart or install one as a replacement on equipment I throw away the Torch garbage and replace it with an NGK. No issues since then. thumbsup
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#4331393 - 02/16/17 06:44 PM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
Eddie Offline


Registered: 12/07/03
Posts: 9563
Loc: Florida, Cape Coral
A resister limits the amount of current but, not the voltage so the plug last longer. In addition, the lack of EMF on your neighbors TV & radio is appreciated.
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#4331453 - 02/16/17 08:03 PM Re: Spark plug for GCV160 Honda engine. [Re: jeepman3071]
Whimsey Offline


Registered: 12/22/02
Posts: 4047
Loc: The Garden State
Originally Posted By: jeepman3071
Originally Posted By: Rab6715
+1. 5 for mowers, 6 for washers. I think all the Chonda stuff is 6, unless you use the Torch OEM Chinese plug.


I hate those stupid Torch Chinese plugs. They have caused some strange running issues on Predator engines. Now whenever I build a Predator for a minibike/go kart or install one as a replacement on equipment I throw away the Torch garbage and replace it with an NGK. No issues since then. thumbsup


I thought the same about the Torch spark plugs until I bought a Troy-Bilt snow blower with a Chinese PowerMore engine. Before it's first use I bought a NGK replacement plug. But I decided to see how "bad" it ran with the Torch plug. After about 17 hours of hard use the snow blower still ran like a champ with the Torch plug ???. I guess the quality level at manufacturing can vary greatly. Would I buy a Torch replacement plug, NO! In addition to strongly being iffy they cost 3X the price of a NGK plug shocked2.

Whimsey

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#4446402 - 07/01/17 12:47 AM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
NSG Offline


Registered: 03/24/14
Posts: 15
Loc: Virginia
I am sorta having the same issue on spark plugs.

I will be acquiring my dad's Husqvarna 7021R which uses a Honda GCV160 mower.

The instruction manual that I am looking at on Husqvarna's website specifically for the lawnmower states:

Spark Plug: NGK BPR6ES (Gap: .030")


But then Honda's manual states otherwise...




Stuff like this really annoys me. I ordered the BPR6ES spark plug so will that mess anything up? I will have to have my dad look but I'm almost positive that's what is in the mower now, and has been for 9 years...lol

Thanks,

-Nigel
_________________________
~NSG~

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#4446515 - 07/01/17 08:02 AM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
tom slick Offline


Registered: 05/26/03
Posts: 9301
Loc: Central Coast, Calif.
It won't mess anything up, the "6" means it's a little cooler than the "5".
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#4447224 - 07/02/17 08:09 AM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
exranger06 Offline


Registered: 01/25/08
Posts: 3907
Loc: Guilford, CT
I have the BPR6ES in my mower. As far as i know that's what came in it from the factory.
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#4454050 - 07/09/17 07:34 AM Re: Spark plug for GCV160 Honda engine. [Re: 2civics]
Audioquest Offline


Registered: 03/07/04
Posts: 394
Loc: Southwestern Ontario
My Toro mower has a GCV160 engine and it came with a BPR6ES and that is the recommended plug in the manual.
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