Socket wrench for changing spark plugs - Page 2 - Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R
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post #26 of 71 (permalink) Old 11-20-2018, 5:25 PM
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Originally Posted by ex-ninja View Post
Would this be a good plug? https://smile.amazon.com/Autolite-XS.../dp/B001AWHQP4

I need 4 of them, right?
I usually upgrade my vehicles to iridium plugs. I believe the ones in my EX are iridium currently, but I think they are these NGK ones: https://www.amazon.com/NGK-DR9EIX-Ir...words=ngk+4772

Your bike only has two cylinders, and only two spark plugs. Bitzz recommended buying spares; personally, I have never had a spark plug fail without notice, and they don't require replacement that often (particularly iridium plugs, those may actually outlive the bike), so I see no point in keeping spares on hand.

And to your previous question, I would recommend using anti-seize.
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post #27 of 71 (permalink) Old 11-20-2018, 9:42 PM Thread Starter
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are you playing with us here?
I thought someone might have that question. I've changed spark plugs lots of times in cars, where there's usually 4 except for my latest car which is a VR6 and it looks like it has 6. I read that the Ninja 500 is a four stroke so I was confused. But it has 2 cylinders so I guess that means that it just needs 2 spark plugs, one for each cylinder. As an aside, I'm guessing that since the Ninja 600 is 4 cylinders then it uses twice as many spark plugs.
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post #28 of 71 (permalink) Old 11-21-2018, 12:41 PM
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if it helps any, the OD (outside diameter) of my Craftsman 44435 18mm thinwall, 3\8, 6 point socket measures 23.5mm and *confirmed* fits the 500 spark plug orifice, with room to spare.

So you are perfectly safe using a socket (up to) this dimension OD.

Could someone (with an EX) measure the ID (inside diameter) of the spark plug orifice? Then we can find out how much wiggle room we actually have....and finally put this thread to bed by documenting actual, specific measurements.

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Last edited by ducatiman; 11-21-2018 at 12:50 PM.
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post #29 of 71 (permalink) Old 11-21-2018, 1:43 PM
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^I was wanting to do that a few days ago, but cant figure out a way to get something down in the hole to measure it.



BTW I have an 18mm socket with a 25.9mm OD that I confirmed will not fit.

2006 Ninja500R Purchased new July 2006; 0 miles. Miles as of January 2019; 102,137. It's a GO bike, not a SHOW bike.
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post #30 of 71 (permalink) Old 11-21-2018, 1:48 PM
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cut a toothpick to fit the diameter of orifice....remove it and measure. Voila.

Wish I had an EX here.....naah. (jk)

23.5 is a go....25.9 is a no go....good, at least we are getting somewhere with specifics rather than guesses and conjecture.

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Last edited by ducatiman; 11-21-2018 at 1:50 PM.
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post #31 of 71 (permalink) Old 11-21-2018, 2:09 PM
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Sorry, no can do

all out of toothpicks.

2006 Ninja500R Purchased new July 2006; 0 miles. Miles as of January 2019; 102,137. It's a GO bike, not a SHOW bike.
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post #32 of 71 (permalink) Old 11-21-2018, 2:35 PM
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Update:
I just tried a socket with a 24.8mm OD.
I will fit with very little wiggle room, so if this is not the biggest one you can use, we're certainly within a fraction of a millimeter.

2006 Ninja500R Purchased new July 2006; 0 miles. Miles as of January 2019; 102,137. It's a GO bike, not a SHOW bike.
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post #33 of 71 (permalink) Old 11-21-2018, 2:55 PM
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Again, @bpe (ty) provides more pertinent info.

So do your homework folks, if necessary get with the vendor to provide measurements...or bring your caliper and measure yourself.

************************************************** ***************************************

In regards to resister/non-resister ignition components ....this right from NGK website.......

"The radio-frequency interference (RFI) noise generated by ignition systems can interfere with computer controls and on-board electronic systems of late-model vehicles. When used in combination with resistor spark plugs, NGK resistor cables provide exceptional noise suppression without negatively affecting engine performance."

The Ducati forum once touched on this, now that I've got a newer FI model with ECM ($$$) I'm especially interested in protecting that ECM from interference (or possible damage?).

I'm inclined to heed NGK advise.

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Last edited by ducatiman; 11-21-2018 at 5:48 PM.
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post #34 of 71 (permalink) Old 11-21-2018, 8:56 PM Thread Starter
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I accidentally ordered 2 of these. https://www.amazon.com/gp/product/B001OCZBWU

They're not returnable. I think that this is the resistor-type plug. Was it a bad choice? Will they give less power since they have a resistor in them?
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post #35 of 71 (permalink) Old 11-21-2018, 9:29 PM
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EX's come with resister plugs from the factory.

2006 Ninja500R Purchased new July 2006; 0 miles. Miles as of January 2019; 102,137. It's a GO bike, not a SHOW bike.
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post #36 of 71 (permalink) Old 11-24-2018, 10:59 AM
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So @ex-ninja I respectfully urge you to "close out" this hanging thread by offering some resolution. After 35 posts and many members reaching out to help and answer your questions....least you can do...no?

So did you get an adequate spark plug wrench based on the info offered? Did you change out your spark plugs?

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I quote the informational sticky in the introductions section, this should be standard forum procedure...applying to all, whether repair or informational nature of the thread.

"If you're looking for help to fix a problem with your bike, please post in the appropriate section (electrical, carbs, engine, suspension, etc) and give us as much pertinent info as you can, including the year and mileage of your bike. And please, remember that people will be volunteering time out of their busy lives to try and help you, so we ask you to be considerate by following up on questions and letting us know if our answers helped, you gave up and sent it to a mechanic, or ended up pushing the bike off a cliff. We need closure just as much as anyone else, and completing a repair thread adds to the knowledge base for all. "

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Last edited by ducatiman; 11-24-2018 at 11:18 AM.
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post #37 of 71 (permalink) Old 11-24-2018, 6:33 PM
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If O.E.M. or anyone else has a need to understand spark plug function I suggest you peruse a piece I spent a fair amount of time writing for your benefit.
Have a look at “Sparks & Such” in the how too section.
It’s pretty complete.

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post #38 of 71 (permalink) Old 11-24-2018, 7:22 PM
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@fog ....agreed, and while we've got your attention.....

We (@K-woppa and I ) intend to utilize *a lot* of your various stickies in the new, revamped sections we've envisioned in the 'Forum going forward" thread...with your permission, of course. And rest assured, they will be left intact and locked....no changes nor comments allowed.

I hope you find this acceptable?

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post #39 of 71 (permalink) Old 11-24-2018, 8:48 PM
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I submitted my micelanous ramblings to the forum freely with the hope that may benefit some.
Of course you ( the adm) may use the as you see fit.

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post #40 of 71 (permalink) Old 11-24-2018, 8:59 PM
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Superb, thanks. They'll be introduced into the new section(s) and divorced of comments, etc. I thought you'll be receptive to that, as you've commented before.

Ongoing, we're still discussing various concepts and "nuts and bolts" of the new.

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post #41 of 71 (permalink) Old 11-24-2018, 10:31 PM Thread Starter
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I found a thin socket wrench, I'm not sure if it came with the bike or not. On on end it says 3/4, and on the other it says 13/16".

Could this possibly work? 3/4" isn't exactly 18mm, but it's close.

My spark plugs will arrive later next week, I'll update this thread with what happens. It would be good to know early on if this will work or if I still need to get another socket as well.
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post #42 of 71 (permalink) Old 11-24-2018, 10:51 PM
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I've never heard of a double headed socket .

I would be looking for an 18mm, and one that doesn't have another size on the other end.

Where do you attach the ratchet?

2006 Ninja500R Purchased new July 2006; 0 miles. Miles as of January 2019; 102,137. It's a GO bike, not a SHOW bike.
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post #43 of 71 (permalink) Old 11-24-2018, 10:55 PM Thread Starter
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I've never heard of a double headed socket .

I would be looking for an 18mm, and one that doesn't have another size on the other end.

Where do you attach the ratchet?
It looks similar to this, but with holes in both ends. https://smile.amazon.com/Tusk-Spark-.../dp/B01MYBP57A

I didn't find the piece that goes through the holes but I could just put a screwdriver through there.
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post #44 of 71 (permalink) Old 11-24-2018, 11:01 PM
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Not going to work. You will need to be able to use an extension.

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post #45 of 71 (permalink) Old 11-26-2018, 9:49 AM
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Been gone for a bit, but I would still recommend heading to your local Pep, Auto, Checker Zone and tell them that you are changing the plugs on your EX 500 and need to borrow a socket. They will most likely have a free loaner for you to use. If you want to add one to your tools after completing the job, buy one when you return the loaner.
Online is great, but you are now 10 days into a 20 minute job because of an $8 (or free if you use a loaner) socket.
Not trying to bust your chops, but it is time to talk to a live human behind a counter and get it done.

And yes, you will be able to find the 2 plugs that you need in most auto stores.

John Z.

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post #46 of 71 (permalink) Old 11-26-2018, 9:50 AM
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Why not simply take our advise, go to your local hardware store and explain what you need? We've provided more than enough info for you to ask the guy behind the counter to guide you.

You're making this simple purchase painfully difficult on yourself. Why?


@john z our posts crossed within 1 minute! Mindreader!
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Last edited by ducatiman; 11-26-2018 at 9:52 AM.
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post #47 of 71 (permalink) Old 12-5-2018, 5:30 AM
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Big oxygen breath inhale and exhale... woo fricking saaaaa...


I have the factory plug socket, because I bought my machine NEW and I KEPT my factory supplied tools. Don't like it? Take it up with Kawasaki.
It takes an 18mm socket to fit the spark plug! My caliper tool measures it at 18.095 mm
19 mm is close enough for GP to 3/4" but it is NOT 18mm. PERIOD.
If you need a socket to fit down in the well of the EX then get a deep well and grind the OUTER wall of it bit by bit until it it fits.

Plugs, the plugs were resistor type. The caps were as well.
Remove the resistor in the cap, replace cap resistor with solid copper wire, and move to the D8EA
Sorry I put an "R" earlier... @bitzz
Don't care what you think, it makes a hell of a spark.
Tuned right years ago I picked up almost a 0.10 +/- in 1/4 on stock gears to pull [email protected] +/-
0-60 was high 3.7 sec and plug change was down to high 3.6-/ low 3.7-ish

Granted it's a take my word but I eliminated all known resistance in the plugs and gained a small increase... apply it to the street or not.
🤷🏼*♂️ The bike is faster than 90 some odd percent of cars on road today.

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post #48 of 71 (permalink) Old 12-5-2018, 5:42 AM
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My bike runs like a champ with the DR9EA's.

2006 Ninja500R Purchased new July 2006; 0 miles. Miles as of January 2019; 102,137. It's a GO bike, not a SHOW bike.
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post #49 of 71 (permalink) Old 12-5-2018, 5:53 AM
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My bike runs like a champ with the DR9EA's.
Contest is that away.... ------>
:-P

O_E_M
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post #50 of 71 (permalink) Old 12-5-2018, 10:22 AM
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Quote:
🤷🏼*♂️ The bike is faster than 90 some odd percent of cars on road today.

O_E_M

Nice, I pass Laborghinis and Ferraris and Spaghettis too, seriously though out on the road its got more than enough power to get you where you want. Mine is nicer (read smoother, idles nicer) than the newer FI bikes I have worked on/ridden.

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