Plugs at 12k on DL650 really? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 32 Old 12-07-2016, 04:15 AM Thread Starter
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Plugs at 12k on DL650 really?

I know theres a lot on this across board but interested to hear the Australian take on it.

The DL650 manual, owners AND workshop both say REPLACE at 12k AND 24k service intervals, its not inspect its replace.

12,000km for iridium plugs is VERY short, I'm tempted to leave them till I do valves at 24,000km. However I'm wondering if Suzuki have reason for this short service interval, or was it perhaps overlooked when they upgraded to iridium plugs from copper.

I'll probably end up doing them, regardless of the cost, for peace of mind if nothing else.

Interested to hear from anyone in the trade or motorcycle mechanics opinion on why so soon?

(FWIW some cars run 150k plus on iridium plugs)

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post #2 of 32 Old 12-07-2016, 05:00 AM
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Quote:
Originally Posted by Nugget173 View Post
I know theres a lot on this across board but interested to hear the Australian take on it.

The DL650 manual, owners AND workshop both say REPLACE at 12k AND 24k service intervals, its not inspect its replace.

12,000km for iridium plugs is VERY short, I'm tempted to leave them till I do valves at 24,000km. However I'm wondering if Suzuki have reason for this short service interval, or was it perhaps overlooked when they upgraded to iridium plugs from copper.

I'll probably end up doing them, regardless of the cost, for peace of mind if nothing else.

Interested to hear from anyone in the trade or motorcycle mechanics opinion on why so soon?

(FWIW some cars run 150k plus on iridium plugs)

Total WOFTAM just lining Suziks pocket. Iridiums will outlast the bike. Had mine in for over 40K and look like new when i check em.

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post #3 of 32 Old 12-07-2016, 05:35 AM Thread Starter
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I did read somewhere that Suzuki had NGK make this plug under contract specifically for the V strom..

I'm thinking did they say (NGK TO SUZUKI) hmm only if we will be able to sell 'xx' amount, and Suzuki response was to require over frequent changing to accommodate the sales required.... food for thought...

I just cant get my head around any logical reason, but as said, probably do for peace of mind, since I do all own maintenance (within reason) and my labour is free.

Some places here charging up to $40 a PLUG!!! Set of 4 from overseas on good ol fleabay $66 on my doorstep...

Still dont get why... sigh

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post #4 of 32 Old 12-07-2016, 07:02 AM
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An equivalent plain copper plug is available from sparkplugs.com
Cost me about $40 landed. Been in my vee2 about 20k just getting to the point where I figure I ought to change them.
Not cause of any trouble just figure I ought to.

Tom R

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post #5 of 32 Old 12-07-2016, 11:40 AM
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I've had the same set of iridium plugs in my '06 650 for 61,000 miles (~100k kilomeridoos). I don't anticipate ever replacing them in the remaining service life of the bike.
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post #6 of 32 Old 12-07-2016, 12:22 PM
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Why would Australia be different from any other location? This is just one more example of a general tech question being wrongly posted in a local forum. Anyway, it's pretty evident the published interval was not changed when the plugs themselves were changed to Iridiums. When manuals are updated, not every change is caught. The engine mounting bracket bolts were wrongly spec'd at 35Nm when the DL650 came out in 2004. The proper spec is listed in the DL1000 manuals at 23Nm for bolts in the same frame casting. That mistake is still on the books today.

Some sticky threads on point:

https://www.stromtrooper.com/general-...tatements.html
https://www.stromtrooper.com/australi...ur-thread.html
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Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #7 of 32 Old 12-07-2016, 09:20 PM
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My DL650 is now up to 54,000km and still running the original plugs.

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post #8 of 32 Old 12-07-2016, 09:30 PM
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These new spark plugs are bulletproof. I changed my 05 Toyota Corolla NGK's at 130000 and they still looked perfect. And there not near the plug that comes in our bikes now. The car was running perfect, just changed them for peace of mine. I may never change them in the strom.

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post #9 of 32 Old 12-07-2016, 10:51 PM
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It's probably relevant in the Aussie site as I questioned my dealer regarding the regular spark plug changes. He stated that due to "Australian" conditions they needed to be changed out every 12000 ks. Also some stuff about the higher revs on the bike compared to a car.
Any way after the next major service will just do most of my own, will be out of warranty then.

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post #10 of 32 Old 12-08-2016, 02:12 AM Thread Starter
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Quote:
Originally Posted by Sgt Schultz View Post
It's probably relevant in the Aussie site as I questioned my dealer regarding the regular spark plug changes. He stated that due to "Australian" conditions they needed to be changed out every 12000 ks. Also some stuff about the higher revs on the bike compared to a car.
Any way after the next major service will just do most of my own, will be out of warranty then.
Exactly mate, thats why I put it locally... although I knew someone would move it.:roll:

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