Replaced Plugs at 87,000 klm

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Jimw
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Replaced Plugs at 87,000 klm

Postby Jimw » Sun Aug 13, 2017 9:39 am

Now that I have come to my senses and am back on the FJR, and whilst I have been waiting over 7 weeks for Yamaha to get my ABS ring, I have decided to do some other maintenance. Whilst the fairing was off, I took the time to pull apart all electrical connectors, clean them and spray them and put them back together. Some were clean but some obviously needed doing, so it was well worth while doing.

I also decided to put in Iridium plugs. According to my records, they were last replaced by a dealer at 28,000 klm, so I have done 60,000 klm on this set of standard plugs. I have to say that they were not tight in their holes, but then again, they were not loose either. To my eye, they are burning perfectly (as you would expect with a computerised engine) but number 3 looks the slightest bit lean. I don't know if a throttle body sync would change this as I thought the TBS only worked at low throttle opening or idle, but I don't have the gear to do one anyway.

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The other obvious issue to me was the spark plug gap. The book says 0.7 to 0.8. and I measured these at 0.85 and 0.9 so there has been some obvious wear.

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Sorry to disappoint those that had seen the last of me!
Jim

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Steve
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Re: Replaced Plugs at 87,000 klm

Postby Steve » Sun Aug 13, 2017 11:40 am

Never sorry to see your posts Jim.

Similar results with my iridiums. 80k+ kms, and they were not tight to get out.

Have never done a TB (Laurie has the gear but has never extended his generosity :lol: ). I'm considering getting a custom tune for the Holeshot system and PCV when it goes in to have the suspension. So, a TB will sure to be done at the time (rest easy Laurie).
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GregW
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Re: Replaced Plugs at 87,000 klm

Postby GregW » Sun Aug 13, 2017 2:22 pm

I have done 40,000k's on my Iridium's..................................So T have got 40,000km's to go until I need to replace? :think:
Thanks
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Steve
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Re: Replaced Plugs at 87,000 klm

Postby Steve » Sun Aug 13, 2017 3:15 pm

easily Greg.

Even when we pulled mine out, it was obvious they only needed re-gapping (and they were close) and re-torquing.

Should be good for well beyond 100k kms.
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GregW
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Re: Replaced Plugs at 87,000 klm

Postby GregW » Sun Aug 13, 2017 3:27 pm

Steve wrote:easily Greg.

Even when we pulled mine out, it was obvious they only needed re-gapping (and they were close) and re-torquing.

Should be good for well beyond 100k kms.


Thanks Steve :grin:
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Tallin
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Re: Replaced Plugs at 87,000 klm

Postby Tallin » Sun Aug 13, 2017 11:52 pm

GregW wrote:I have done 40,000k's on my Iridium's..................................So T have got 40,000km's to go until I need to replace? :think:
Thanks


Friend of mine got 160 k on his Triumph and even though he replaced them then he could have gotten more I rekkon
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