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| Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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04-12-2011, 03:53 PM
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#1 |
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Gone Wild
 Join Date: Feb 2009
Location: Sanger, Ca.
Posts: 1,689
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G9 spark plug help.
I have a 1993 G9. I went to change the spark plug, the plug in it is a NGK-BP5HS. The book calls for a BR4ES.
The BP5HS is a short reach plug, 14mm x 1/2 inch. The BR4ES is a long reach plug, 14mm x 3/4 inch. Witch plug do I use. Thank You for your help. Don |
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04-13-2011, 09:29 AM
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#2 |
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Admin
Join Date: Dec 2006
Location: TN
Posts: 101,858
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Re: G9 spark plug help.
The BR4ES is the standard plug for this model.
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04-13-2011, 09:35 AM
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#3 |
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Admin/Moderator
Join Date: Dec 2006
Location: Ohio
Posts: 18,047
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Re: G9 spark plug help.
I would use the BR4ES.
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Ron
 PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project |
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04-13-2011, 06:40 PM
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#4 |
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Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,874
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Re: G9 spark plug help.
Just me, but I use NGK-BPR2ES in all Yamaha 4 cycles from 1985 G2's thru "The Drive's". Yes its a "hotter plug", but works for us and I don't have to stock all differant plugs.
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04-14-2011, 09:33 AM
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#5 |
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Getting Wild
Join Date: Nov 2008
Location: Western KY - My Carts: 91 Yamaha G9, 91 Yamaha G9 w/ Warrior Motor, 96 EZGO
Posts: 79
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Re: G9 spark plug help.
I just picked up a plug at the local golf cart shop for my G9. I took in a BR4ES and said I wanted a new plug. They gave me a BPR2ES. I didn't even look at it until after I got back home. They said this is what the specs called for.... I don't know but it works anyway.
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04-14-2011, 11:54 AM
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#6 | |
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Vegas modded 420
Join Date: Jun 2009
Location: West MI
Posts: 15,443
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Re: G9 spark plug help.
Quote:
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03-29-2017, 03:25 PM
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#7 |
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Not Yet Wild
Join Date: Mar 2017
Posts: 1
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Re: G9 spark plug help.
My plug keeps fouling out when I try to start my cart I have a NGKbr9es any ideas?
Sent from my SAMSUNG-SGH-I497 using Tapatalk |
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03-29-2017, 07:11 PM
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#8 |
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Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,874
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Re: G9 spark plug help.
Yamaha g1's use NGK-BP5HS (2 cycle) all 4 cycles should run NGK-BPR2ES. If the spark plug fouls with these, you have an engine problem.
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03-31-2017, 09:04 AM
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#9 |
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Gone Wild
Join Date: Dec 2009
Location: Corpus Christi, TX
Posts: 1,644
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Re: G9 spark plug help.
I just put the bpr2es in my g29, it was recommended
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03-31-2017, 10:45 AM
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#10 | |
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Getting Wild
Join Date: Apr 2010
Location: lake vermilion
Posts: 139
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Re: G9 spark plug help.
Quote:
I bought another beater that runs really rough, it has a single cylinder 4-stroke engine, I drained the gas and put fresh gas in, changed the tank filter. it pops and sputters if I give it any gas beyond an idle and dies out, it will idle all day long though. it has 175 lbs compression with wide open throttle, I set the valves to .004, I changed the plug (BKR5ES) with the same plug that was in it, the new plug seems very wet after trying to run it. Any suggestions? I think it's a G9 serial #JG5 200212 |
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