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Eric58701
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« on: June 02, 2015, 06:18:09 PM » |
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Ok Well I had a Honda Mechanic over this evening to purchase a topper I had for sale, he was checking out my Valkyrie , I told him how it was running at low speeds and slowly got better as it warmed up, he is going to help me clean carbs at a later day, time wasn't for us, but he said to get new plugs, and new air cleaner, , so I yanked a plug to see what it was, and it is the NGK DPR8EA-9, according to the manual it says its for extended high speed riding, so I got the wrong plugs in it for sure .
So what should I be putting in it? anything better then NGK? not that I think there is anything wrong with NGK just I know from reading here that oil isn't all the same oil, I assume that there is one better
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signart
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« Reply #1 on: June 02, 2015, 06:28:37 PM » |
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If I changed to anything it would be a 7EA, staying with NGK. You won't do any better in any Japanese designed engine.
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Eric58701
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« Reply #2 on: June 02, 2015, 06:36:57 PM » |
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Yes I will for sure go the the number 7 heat range , since my bike doesn't run really great at idle rite now , the plugs are only a year old, and are a nice tan color
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Woton
Member
Posts: 410
1997 Tourer Pearl Green/Pearl Ivory "BRNHLDE"
Central North Carolina
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« Reply #3 on: June 03, 2015, 05:19:28 AM » |
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Your upgrade choice would be to go NGK iridium. Am not convinced of the value versus performance, but I am running them now and will likely continue to do so. These are older bikes and older technology, and they may not benefit from this enhancement. Makes me feel like I'm giving the old girl the best, I suppose...  Check for fitment. As I recall they end with an IX code. |
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"Ride Smart - Ride Safe"
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gordonv
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Posts: 5762
VRCC # 31419
Richmond BC
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« Reply #4 on: June 03, 2015, 06:22:18 PM » |
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6 spark plugs NGK
DPR7EA-9 IR DPR7EIX-9
I bought my IR plugs online, bought enough to get free shipping. Paid about $7 each. The tips are brittle, so don't or be very careful if you try to gape them, don't touch the tip. They should last you a life time.
Some have posted there is no benefit to replace your plugs, new/better ones have no value, there is no performance increase to have. So the cheap $3 NGK as fine. Unless you have a faulty plug, just clean and gape.
I have owned them for 5 years now, and have not installed them yet into my GW GL1500 which I have had for 3 years. I haven't put enough miles on it to compare before/after to see if they make any difference. I figure at least they will be one less thing I need to worry about, when I do.
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1999 Black with custom paint IS   |
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Rio Wil
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« Reply #5 on: June 03, 2015, 10:48:54 PM » |
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Stock plugs last forever in these beasts.....I use the stock 7 heat range and have 120K miles on this set. Never cleaned or gapped....just run them. I am feeling kinda guilty and will probably replace them sometime......won't make any difference in performance or mileage tho.....yawn....
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Highbinder
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« Reply #6 on: June 04, 2015, 12:22:04 PM » |
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Although plugs may look good and still operate, over time the heat range starts to deteriorate and the plug is not as efficient as it should be, I change mine every 2 years just to be on the good maintenance side..  |
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Rio Wil
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« Reply #7 on: June 04, 2015, 07:41:29 PM » |
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deteriorate and the plug is not as efficient as it should be????? Wonder how you could measure this This is America.....whatever floats your boat.....  I do benchmark the state of tune of my I/S against a 2008 1800 GW....its whoever gets off the line the best that makes it to triple digits first...... we are too old to ride much faster that that  |
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Eric58701
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« Reply #8 on: June 04, 2015, 08:38:05 PM » |
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OK NGK it is, and im going to go with the Iridium plugs, and go from the 8 heat range wich is for extended high speed ridding, as I said before im 60 - 70 percent in the city, so im going to the stock 7 and I know its sounds like a waist of money but I to will replace them every two years at the most maybe even with the spring tune up, its easy to do and might just prevent some larger issues by inspecting the plug, yearly and hey what is 60 bucks, we can drink that away in one weekend.
This is my pride and joy and I want her to feel as good as I do when I ride it so im giving her special treatment.
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franco6
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« Reply #9 on: June 05, 2015, 07:09:14 AM » |
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When it gets hot I ll run an 8 plug, the 9 does not work well. in winter the 7 is good. |
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Enjoy the ride!
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Cracker Jack
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« Reply #10 on: June 05, 2015, 07:44:31 AM » |
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OK NGK it is, and im going to go with the Iridium plugs, and go from the 8 heat range wich is for extended high speed ridding, as I said before im 60 - 70 percent in the city, so im going to the stock 7 and I know its sounds like a waist of money but I to will replace them every two years at the most maybe even with the spring tune up, its easy to do and might just prevent some larger issues by inspecting the plug, yearly and hey what is 60 bucks, we can drink that away in one weekend.
This is my pride and joy and I want her to feel as good as I do when I ride it so im giving her special treatment.
Sounds like cheap insurance to me!  |
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