Install spark plugs - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 15 (permalink) Old 03-10-2008, 08:52 AM Thread Starter
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Install spark plugs

Hi,

I just bought 4 new spark plugs (DPR7EIX-9). I'm a newbie and I was wondering: is it just a matter of removing the old ones and screw in the new spark plugs?

Willem
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post #2 of 15 (permalink) Old 03-10-2008, 09:22 AM
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Yep, thats pretty much it. Put a little anti-seize compound on the threads before installing them and dont over tighten.

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post #3 of 15 (permalink) Old 03-10-2008, 09:55 AM Thread Starter
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Quote:
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Yep, thats pretty much it. Put a little anti-seize compound on the threads before installing them and dont over tighten.
I'm sorry for the lack of knowledge, but what is anti-seize compound? I've bought the DPR7EIX-9 and didn't take a look at the size. Is this spark plug the same size as the original spark plug? I can still can cancel the order if I've ordered the wrong plugs...
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post #4 of 15 (permalink) Old 03-10-2008, 11:03 AM
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I can't help you with the spark plug question as I am getting ready to do my first plug change and have not checked into what to get yet.

As for the anti-sieze; it is a compound you put on the threads of the plug to keep it from getting stuck. The plug will be easy to remove the next time you do a change. The stuff I have used is copper based, but there may be other materials as well.

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post #5 of 15 (permalink) Old 03-10-2008, 11:48 PM
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Quote:
Originally Posted by gwbosma View Post
Hi,

I just bought 4 new spark plugs (DPR7EIX-9). I'm a newbie and I was wondering: is it just a matter of removing the old ones and screw in the new spark plugs?

Willem
Pretty much. Before you remove the old plugs, blow some air into the chamber around the plug to get any crud out before you pull the old plugs. Use the anti-seize compound (you can get little packs of it at most auto parts stores) on the new threads and start the plugs carefully so you don't cross thread them. DPR7EIX-9 is the right size.

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Last edited by Ironman; 03-10-2008 at 11:50 PM. Reason: Added spark plug number
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post #6 of 15 (permalink) Old 03-14-2008, 12:06 PM Thread Starter
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What tool do I need to install the plugs? I've read about different sizes. And do I have to adjust the gap or can I install the plugs out of the box?
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post #7 of 15 (permalink) Old 03-14-2008, 01:42 PM
 
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Yes, you will need to gap them. And there should be a long spark plug socket in the toolkit that came with the bike.
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post #8 of 15 (permalink) Old 03-14-2008, 03:16 PM
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It's always wise to check the gap on plugs before installing them. I have the same plugs you ordered and all of them checked out as gapped to specs - but ya never know.

You'll need an 18mm deepwell socket to install the plugs. I use a 3/8 drive craftsman and it works well - though it's a moderately tight fit (most are). As doug said, you might have a long spark plug socket that came with the bike (I and many don't... lost several owners ago I'd imagine).

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post #9 of 15 (permalink) Old 03-14-2008, 10:56 PM
 
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I have the same plugs and did not even check the gap! I think you are not supposed to try to gap iridium plugs, they are pregapped.
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post #10 of 15 (permalink) Old 03-15-2008, 05:24 PM
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Well, I'm a little late in bringing this up, but...

Be sure you have a thin walled socket.


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