Spark plug replacement

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Re: Spark plug replacement

Postby Cool06 » Wed Jun 27, 2012 10:39 pm

Forums are awesome! Actually the top screws off of the new plug... Long short, i'm pouting them in now!
Thanks 01!!! :cheers
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Re: Spark plug replacement

Postby 01YZF6 » Wed Jun 27, 2012 10:42 pm

:ok :ok :cheers
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Re: Spark plug replacement

Postby Cool06 » Wed Jun 27, 2012 10:52 pm

she lives!! :captain_nick:
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Re: Spark plug replacement

Postby ptrimby » Sat Sep 29, 2012 11:14 pm

Because I could see sand around the #1 plug, I decided to do the "full exposure" method...

I don't know how anyone can not do it this way... Turns out when one of the POs (hope it's not Ambo - havn't seen him on here for a while thinking of that) - when one of the POs put the plugs in last time, there was grit in there. The plug's crush washer had a few pieces of sand in it! No wonder the bottom of the boots looked to be getting a faint tan color on the bottom - probably was a tiny bit of blowby!

Going to update with pics of #3 and #4 tomorrow - that side had much more sand in it before the shop vac did it's duty. Never mind that, they look like rusticles.

Surprisingly, the plugs have little noticeable erosion on them for 25k worth of travels since I've purchased this bike... Unlike my Moto Guzzi where I see a the point is eroded down to...a point... every 8k miles! Moral of the story - Don't be lazy. If I wasn't going to bed right now, I'd have finished up this job start/finish in 2 hrs.

FYI - even if you change your plugs the side-entry way and your engine still seems to run fine - one grain of sand normally won't seize your engine. But it very well may score your walls (now you'll eat oil).
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Re: Spark plug replacement

Postby project600 » Mon Oct 08, 2012 5:43 pm

This thread is the very reason I came to this forum today. I am venturing into changing my plugs. One of the few things I have not done to my bike since I have had it. Is there a difference between plugs from a 96 or an 06?
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Re: Spark plug replacement

Postby TJSupercool » Thu Mar 07, 2013 5:39 am

project600 wrote:This thread is the very reason I came to this forum today. I am venturing into changing my plugs. One of the few things I have not done to my bike since I have had it. Is there a difference between plugs from a 96 or an 06?


Hi!
A bit late perhaps, but no, there is no difference between plugs from a 96 or an 06. However, there are different types you can use. Personally, I opt for the NGK IX plug.. :+1

More here:

http://www.msa-direct.co.uk/ngk-spark-plugs/yamaha-yzf600r-thundercat.html
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Re: Spark plug replacement

Postby motowelder » Sun Apr 21, 2013 12:54 pm

I just changed my plugs this week for the first time. They're quite easy to replace and I didn't have to take anything off to get to them. As you may have heard, getting to the two on the right side are a bit of a pain due to the radiator hose. Easy, fun job overall
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Re: Spark plug replacement

Postby halfblackaaron » Thu May 23, 2013 4:32 am

motowelder wrote:I just changed my plugs this week for the first time. They're quite easy to replace and I didn't have to take anything off to get to them. As you may have heard, getting to the two on the right side are a bit of a pain due to the radiator hose. Easy, fun job overall



You really should read the comments about the importance of doing it the way that's explained in this thread. Going from the time is the "better safe than sorry" method.
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Re: Spark plug replacement

Postby luigiscar7 » Thu May 23, 2013 8:13 am

Hey aaron, read that last post back to yourself. Is that English? :doh
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Re: Spark plug replacement

Postby Doubleot » Thu May 23, 2013 9:44 am

Reading this thread I think I'm going to attempt to take the tank off and change my air filter at the same time. What's the gap everyone uses? Also to make sure the plugs to be used are ngk c9es? (Big ngk fan)

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Re: Spark plug replacement

Postby 01YZF6 » Thu May 23, 2013 11:26 am

CR9E is the plug for NGK. gap is .028-.031
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Re: Spark plug replacement

Postby Doubleot » Thu May 23, 2013 11:36 am

Awesome thanks for the reply!

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Re: Spark plug replacement

Postby dietz » Mon Jul 01, 2013 1:26 am

So it was recommended by several folks on the forums that I should check the spark plugs on the cat I bought not long ago as part of my "used bike purchase check list".

Seeing the amount of work required to get to the spark plugs.. would it make sense for me to purchase new ones and swap them in at the same time as doing the check? My bike just crossed 4000 miles (I bought it at around 3300 miles about a month ago) and the manual says check at 4k and replace at 8k.

I think I'm going to take the real top down approach (even though the manual actually shows to go in from the fairing holes from what it seems like) so any suggestions on what else i should be cleaning/checking on my way down there?
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Re: Spark plug replacement

Postby kwont » Sat Apr 05, 2014 5:22 pm

Thanks original author! This was an excellent supplement to the factory service manual.

You weren't wrong about lots of swearing at that obnoxious tray that holds the coils...
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Spark plug replacement images

Postby watkykjy » Sat Oct 18, 2014 8:12 pm

I just did this and it was not too bad but %$@#* that coil tray and choke cable!!!

I've taken photos of the process and would like to post them here for those who are doing this job.

Is this is okay to do? :?:

Cheers

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Re: Spark plug replacement

Postby 4586shaggy » Mon Mar 16, 2015 8:07 pm

How about those pics u said u were gonna post up last October :-p
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Re: Spark plug replacement

Postby soupnutz » Tue Apr 07, 2015 8:05 pm

Pop off the three bolts that hold the radiator on and pull it down a little. The plastic tray slides right out the front.
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