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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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 Posted: Mon Apr 05, 2010 10:13 pm Post subject: What Happened 2 My Spark Plug (take 2) |
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This was a brand new NGK R plug I put in my raptor 700 today.
I hadnt even ridden this raptor b 4 but the bike ran and started fine, just when I reved it, it sounded like it hit the rev limiter b4 i even got to 1/2 throttle then after a slow ride throught the gears and warm it up I turned around to head back to the car then went to rev it out but the same thing happened it was braking down like a rev limiter,
then pop, the engine dies and I looked down to find this.
I got the snaped off thred out of the head with an easy out.
any ideas what could cause this to happen?? coil, computer, TPS??????
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He Who Dies With The Most Toys, Wins
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wa5
Big Bore, Stroked & Bling +
Joined: 06 Nov 2007
Posts: 446
Location: Port Stephens
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| Posted: Tue Apr 06, 2010 12:51 am Post subject: |
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| did it sound like it was Pinging/ Pinking? |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Tue Apr 06, 2010 4:44 am Post subject: |
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No
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He Who Dies With The Most Toys, Wins
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Earthmover
Big Bore, Stroked & Bling +
Joined: 16 Apr 2009
Posts: 351
Location: Ayr, North Queensland
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dangerman4
Roostin Away
Joined: 31 Mar 2007
Posts: 854
Location: Morphett Vale
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| Posted: Tue Apr 06, 2010 7:59 am Post subject: |
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| it wouldnt be possible to do it up that tight to sheer it off without stripping the alloy outer the head. if it was a internal pressure issue it would have bent the rod before blowing the plug out, so that only leaves a faulty plug from manufacturer, that was maybe overtightened a bit which exposed the crack, and then the combustion pressue did the rest. |
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fossil800R
The Day Starts With OZATV !
Joined: 22 Aug 2007
Posts: 1166
Location: Barkly, Victoria
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| Posted: Tue Apr 06, 2010 12:29 pm Post subject: |
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Dodgy plug. This type of damage would only be indicative of excessive tightening of an old plug subjected to corrosion, heat etc. over a long period of use, not a brand new one on its first run.
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I'm not suffering from insanity, I'm enjoying it!!! |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Tue Apr 06, 2010 7:35 pm Post subject: |
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cheers, this is the 2nd NGK R plug ive used that have let go,, the other 1 did lots of damage to my fresh 535 banshee tho.
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He Who Dies With The Most Toys, Wins
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dangerman4
Roostin Away
Joined: 31 Mar 2007
Posts: 854
Location: Morphett Vale
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| Posted: Tue Apr 06, 2010 8:19 pm Post subject: |
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whats the common dominator here?
you / supplier / brand and type
ive never had a dodgy ngk plug and you seem to be finding all the broken ones. maybe change supplier or something.
have they came from the same shop?
are they BR8ES?
maybe try the BR8EIX iridiums. |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Tue Apr 06, 2010 10:24 pm Post subject: |
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i did buy the plugs from the same shop but about 6 months apart..
i think i just swap to a different brand of plug for good.
So does any 1 have any idea what could be wrong with the raptor for it to be hitting the rev limiter so low in the rev range, its doing it at about 3500rpm, and wont rev no more...
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He Who Dies With The Most Toys, Wins
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Earthmover
Big Bore, Stroked & Bling +
Joined: 16 Apr 2009
Posts: 351
Location: Ayr, North Queensland
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| Posted: Tue Apr 06, 2010 10:28 pm Post subject: |
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Do thay have limp mode ? computer thinks there is something wrong
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JRE
Roostin Away
Joined: 03 May 2009
Posts: 526
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| Posted: Tue Apr 06, 2010 10:33 pm Post subject: |
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| do you have to pry the plug socket out on a wierd angle causing sideways strain on the plug??? It would be super unlucky to have it crack like that with out force. |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Tue Apr 06, 2010 10:45 pm Post subject: |
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thats me... 
the plug is very easy to get to, and its very easy to get the plug cap on and off, no sideways strain at all.
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He Who Dies With The Most Toys, Wins
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stink989
Blaster class
Joined: 21 Apr 2008
Posts: 130
Location: Wellington, NSW
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| Posted: Tue Apr 06, 2010 10:58 pm Post subject: |
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dont they have a reverse limiter? i would say its that
are you over touquing them? i have never had a dodgy ngk plug (apprentice motocycle mech) and neither has the old man (mechenic)
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2006 Banshee
Ridden not pampered |
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JRE
Roostin Away
Joined: 03 May 2009
Posts: 526
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| Posted: Tue Apr 06, 2010 11:13 pm Post subject: |
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1sick6
are you riding the masters this weekend?? |
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HaggLE
Roostin Away
Joined: 16 Mar 2009
Posts: 511
Location: Newcastle
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| Posted: Wed Apr 07, 2010 1:16 pm Post subject: |
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| I have heard of issues with ngk plugs since they haven't been making them in japan. Used to swear by them but have switched to denso now. |
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dangerman4
Roostin Away
Joined: 31 Mar 2007
Posts: 854
Location: Morphett Vale
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| Posted: Wed Apr 07, 2010 3:54 pm Post subject: |
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| i just purchased some today and it still says made in japan on the box |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Wed Apr 07, 2010 7:11 pm Post subject: |
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| JRE wrote: | 1sick6
are you riding the masters this weekend?? |
nar, i have work. 
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He Who Dies With The Most Toys, Wins
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dangerman4
Roostin Away
Joined: 31 Mar 2007
Posts: 854
Location: Morphett Vale
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| Posted: Wed Apr 07, 2010 7:47 pm Post subject: |
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work????
surely you can catch swine flu or somthing,
its on your doorstep even.
come to think of it are you over 30? |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Wed Apr 07, 2010 7:57 pm Post subject: |
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Nar I'm not 30, still got quite a few years to go.
I've just had over 9 weeks off and used My sickies and annual leave days.
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dangerman4
Roostin Away
Joined: 31 Mar 2007
Posts: 854
Location: Morphett Vale
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| Posted: Wed Apr 07, 2010 8:06 pm Post subject: |
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i had a feeling you were under but wasnt sure.
so whats with the 700?
u giving up on the 2 strokes? |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Wed Apr 07, 2010 10:57 pm Post subject: |
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| dangerman4 wrote: | i had a feeling you were under but wasnt sure.
so whats with the 700?
u giving up on the 2 strokes? |
I havent had enough of the Banshee's yet, I cant see it ever happening, the Raptor is for Amanda,
I bought the red 07 shee for her but I ended up borrowing it for mx, finke and trail riding I loved it too much to give it back so I had to get her something else, and she doesnt like kick starting bikes.
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