spark plug brand


Technical information and Q&A applicable to all years and models of Goldwings
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rgshilling88
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Motorcycle: 1980 GL1100 Goldwing

spark plug brand

Postby rgshilling88 » Sun Mar 27, 2011 9:26 pm



What brand and # of spark plugs do 1980 GL1100 owners like to use in your bikes? :?:



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RoadRogue
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Re: spark plug brand

Postby RoadRogue » Mon Mar 28, 2011 12:30 am

Im running Iridiums (NGK) in my 82 aspy,are they worth the extra expense? the jury is still out on that question, I shouldnt have to change them for about 5 years.
Ride safe, Todd
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4winds
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Location: Collingwood Ontario
Motorcycle: 1987 Goldwing gl1200 aspencade

Re: spark plug brand

Postby 4winds » Mon Mar 28, 2011 5:23 am

I just got my bike last fall. 87 Aspy Do you change your plugs every year

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dingdong
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Re: spark plug brand

Postby dingdong » Mon Mar 28, 2011 8:04 am

I use NKG in my 76. When you change depends on how they wear. I still have the same plugs in the 76 that were installed about 25k miles ago with no sign of any problems. However not a lot of expense to chance them out every year if you want to.
Tom

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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WingAdmin
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Re: spark plug brand

Postby WingAdmin » Mon Mar 28, 2011 9:08 am

I do maybe 10-15 thousand miles a year, and I've been replacing my standard NGK's every other year with no problems.

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rgshilling88
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Re: spark plug brand

Postby rgshilling88 » Mon Mar 28, 2011 9:13 am

What is the NGK# that you are using?

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WingAdmin
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Re: spark plug brand

Postby WingAdmin » Mon Mar 28, 2011 9:16 am

rgshilling88 wrote:What is the NGK# that you are using?


I use DPR8EA-9 plugs.

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detdrbuzzard
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Re: spark plug brand

Postby detdrbuzzard » Mon Mar 28, 2011 3:13 pm

owners manual says plugs should be replaced every 4000 miles
'99 ST1100, '93 se
'75 cb750k, '79 cb 750f, '79 cb750 superK
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.... william

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WingAdmin
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Re: spark plug brand

Postby WingAdmin » Mon Mar 28, 2011 8:52 pm

detdrbuzzard wrote:owners manual says plugs should be replaced every 4000 miles


I'll pull them and have a look that often, but they are normally in perfect condition, so I'll re-gap them and put them back in. Even when I DO replace them they still look fine, and are working perfectly. *shrug*

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rgshilling88
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Re: spark plug brand

Postby rgshilling88 » Mon Mar 28, 2011 9:45 pm

Thanks for all of the good info guys. This is a great site.

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dingdong
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Re: spark plug brand

Postby dingdong » Tue Mar 29, 2011 8:12 am

I have found that if your engine is tuned and firing correctly the plugs should easily last much longer than 4k miles. If running lean they will burn up, if rich they will soot up, if burning oil they will oil foul. Thus cutting the life of the plug.
Tom

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jdunkel
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Re: spark plug brand

Postby jdunkel » Fri Apr 01, 2011 1:49 pm

I would think changing plugs every 4k miles is not necessary unless they are dirty and fouled. If once a year goes over 4k miles, it should be OK.
Have fun, but not at someone else's expense.

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joekrugg
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Re: spark plug brand

Postby joekrugg » Fri Apr 01, 2011 3:06 pm

recently I was warming my 86 interstate when a fellow biker suggested I change my plugs (because of a strong fuel odor). What type of change in performance can I expect using OEM NGK?
:oops:
Peace, Steve<><

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Re: spark plug brand

Postby WingAdmin » Mon Apr 04, 2011 9:13 am

If there is a fuel odor, it's not going to be due to plugs. The cylinder will either fire off or it won't, it's not going to only "partially" burn because of a weak spark. If a spark plug is not firing and you have a cylinder not burning at all (missing), you'll know, as the engine will be stumbling and vibrating.

You could get improved mileage from good, new plugs, as the stronger, hotter spark could light off the fuel/air mixture faster and get it burned sooner in the power stroke cycle, providing higher pressure throughout more of the power stroke.

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joekrugg
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Re: spark plug brand

Postby joekrugg » Mon Apr 04, 2011 9:35 am

I changed my plugs this weekend and boy is there a difference. It must have been fouled and not firing. That strong odor is changed, the pep is unbelievable! Thanks for the DYI info on spark plug replacement. ; )


Peace, Steve<><


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