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Topic summary

Posted by Troll
 - May 26, 2011, 07:50:57 AM

Those sleeves, with a hex opening in them, are access points for the cam chain. Lucky you don't have to do any heli coils...Over the years, I developed a simple philosophy when it comes to spark plugs, Ford plugs in a Ford, GM plugs in a GM vehicle, Bosch in a German vehicle, NGK or Nippon Denso in a Japanese vehicle, and champions in a lawnmower.

Posted by 1999 Drifter
 - May 25, 2011, 21:12:41 PM

The things around the 2 rear sp holes are 92066 92066-1445  PLUG,SLEEVE (not inserts) whew ;D
I only have then on the rear jugs , should they be on all 4

Posted by 1999 Drifter
 - May 25, 2011, 19:46:10 PM

the plugs I removed are  Champion RA8HC I remove them with a 16mm spark plug socket
I put in NKG DPR6EA-9 in LF jug , LR jug and RR jug using an 18mm SP socket, when I went to put in the RF plug the socket did not fit, it's not that the plug does not fit it is the socket is two thick.

Why is it that the 18mm fits those 3 plug openings but not the RF?

I don't believe I have any inserts, what I saw was or is the two rear jugs look different around the spark plug opening

If your not confused before you will be now.....

are the Champion plugs Champion RA8HC suitable?
Thanks

Posted by Troll
 - May 25, 2011, 19:17:04 PM

    There should be no difference between the plugs and the tool to install them.  I'm afraid, by your mention of spark plug inserts, that you may have come to the conclusion that the threads in the head are stripped.  :'(There are many different types of inserts, and what you need to determine is the exact thread pitch and diameter.  Ideally, you should pull the head to put in an insert. I'm sure that's not something you wanted to hear. If it were me, I would try to do it without removing the head, but I have put in literally hundreds, or perhaps thousands of them over the last 40+ years. This points up the need to use anti seize compound on the threads, and start the plugs by hand to ensure that they are straight. Aluminum heads are delicate.

Posted by 1999 Drifter
 - May 25, 2011, 19:03:32 PM

My question is why would the LR plug, LR plug and the RR plug work with a regular 18mm  SP socket and not the RF jug plug, is this normal for the 99?
Are there such things as spark plug inserts and what are they for?

Thanks

Posted by 1SG CAV
 - May 25, 2011, 18:00:39 PM

Yes sir that'll be the baby you need.   It's the same on my 02  1500. no way to do it without that socket.  8)

Ride With Pride

Posted by 1999 Drifter
 - May 24, 2011, 22:16:37 PM
Quote from: chief on March 31, 2011, 12:35:24 PM

It must be a thin walled socket to fit... I went ahead and bought the kaw tool for that... there is one in the tool set that came with the bike BTW... cheap one, but it works.

would this be the one  RE: Kawasaki parts nation.com 92110B 92110-1153   TOOL-WRENCH,OPEN END,
When I went to change my plugs for the first time today since I bought the bike the LF plug, LR plug and RR plug went in with a 18mm spark plug socket but the RF plug could not be tightened using the 18mm spark plug wrench, it was too thick , as mentioned a thin walled socket would be the answer
My question is why would the above three work and not the RF jug plug is this normal for the 99?

Thanks in advance
Tim

Posted by plevine1
 - March 31, 2011, 13:47:23 PM
Quote from: chief on March 31, 2011, 12:35:24 PM

It must be a thin walled socket to fit... I went ahead and bought the kaw tool for that... there is one in the tool set that came with the bike BTW... cheap one, but it works.

I just bought an 18mm socket but (like me) is to fat. Now I need to find a thin walled socket.
Posted by chief
 - March 31, 2011, 12:35:24 PM

It must be a thin walled socket to fit... I went ahead and bought the kaw tool for that... there is one in the tool set that came with the bike BTW... cheap one, but it works.

Posted by griz01
 - March 30, 2011, 19:21:24 PM

It is all in the Numbers ;D

http://www.ngksparkplugs.com/docs/tech/design_symbols_plugs.pdf

Posted by plevine1
 - March 30, 2011, 18:58:15 PM

You beat me to the answer. 18mm is the winning size.
Thanks

Posted by Troll
 - March 30, 2011, 18:34:42 PM

The size is 18 mm....Just replaced my plugs yesterday

Posted by 1SG CAV
 - March 30, 2011, 18:10:06 PM

The spark plug gap is 0.8-0.9mm.  I had to buy a special socket to fit my 2002 1500. I believe the socket size is 19mm, but it could be 18mm.

Posted by plevine1
 - March 30, 2011, 16:37:59 PM

Anyone know the metric socket size required for the spark plugs along with the Gap setting. Thanks

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