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09-08-2006, 07:23 AM
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#1 (permalink)
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I am Spartacus
Join Date: Feb 2004
Location: Milton Mills, NH
Posts: 17,791
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Spark plug diagnosis and Spark plug application guides here!
__________________
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
1999 Yamaha Venture 500 touring
2001 Ski Doo Mini Z
Assistant Trailmaster Evergreen Valley Snowmobile Club
SledNH.com Moderator
If I'm not home, CHECK THE TRAILS!
Last edited by smallengineguy : 08-26-2008 at 07:47 PM.
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11-10-2006, 08:36 PM
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#2 (permalink)
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Registered User
Join Date: Nov 2006
Posts: 41
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hello..what would the spark plug gap be in a 1991 arctic cat wildcat 700?
thanks Gregg
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11-10-2006, 08:40 PM
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#3 (permalink)
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I am Spartacus
Join Date: Feb 2004
Location: Milton Mills, NH
Posts: 17,791
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Around .035.
__________________
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
1999 Yamaha Venture 500 touring
2001 Ski Doo Mini Z
Assistant Trailmaster Evergreen Valley Snowmobile Club
SledNH.com Moderator
If I'm not home, CHECK THE TRAILS!
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11-10-2006, 08:41 PM
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#4 (permalink)
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Registered User
Join Date: Nov 2006
Posts: 41
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hey...thanks alot
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01-14-2007, 05:37 PM
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#5 (permalink)
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Registered User
Join Date: Nov 2006
Posts: 73
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If I saw those "hot but ok" plugs come out of my two stroke, i'd be real worried!
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01-14-2007, 06:01 PM
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#6 (permalink)
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I am Spartacus
Join Date: Feb 2004
Location: Milton Mills, NH
Posts: 17,791
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I know I wouldn't go past #20.
__________________
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
1999 Yamaha Venture 500 touring
2001 Ski Doo Mini Z
Assistant Trailmaster Evergreen Valley Snowmobile Club
SledNH.com Moderator
If I'm not home, CHECK THE TRAILS!
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02-27-2007, 11:38 PM
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#7 (permalink)
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Registered User
Join Date: Feb 2007
Location: east freetown,ma
Posts: 470
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Quote:
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Originally Posted by smallengineguy
Around .035.
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why does ngk say .028 gap? |
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03-10-2007, 05:29 PM
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#8 (permalink)
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Registered User
Join Date: Mar 2004
Location: Northern Utah
Posts: 2,188
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I've always run BR8's in my '80 340 Jag, but I have never seen a brown plug! They are *always* black and oily. Should I try a hotter plug, and if so; which?
__________________
2000 ZL 550 (Solar Flare, #045/1000)
2000 440 Panther
1980 Jag 3000 F/C
"If it ain't broke, take it apart and find out why!" 
Member: Canaltown Snowmobilers Inc.
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12-10-2007, 08:44 AM
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#9 (permalink)
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Registered User
Join Date: Dec 2007
Location: RACINE,WI
Posts: 34
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i have a 95 polaris indy trail and i got new plugs from the dealer and they gave mw br8eix, and i just looked it up on the form and ngk calls for br9eix i know the 9 is a hotter plug but what would be good for my sled or what is suppose to be in it?
Quote:
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Originally Posted by smallengineguy
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12-10-2007, 02:08 PM
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#10 (permalink)
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I am Spartacus
Join Date: Feb 2004
Location: Milton Mills, NH
Posts: 17,791
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9 is a colder plug.
__________________
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
1999 Yamaha Venture 500 touring
2001 Ski Doo Mini Z
Assistant Trailmaster Evergreen Valley Snowmobile Club
SledNH.com Moderator
If I'm not home, CHECK THE TRAILS!
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01-28-2008, 01:54 PM
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#11 (permalink)
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Registered User
Join Date: Jan 2008
Location: lisbon falls maine
Posts: 65
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my plugs looked like number 4 on that chart then I adjusted my chokes and it shot right up to a 19.I didnt think choke adjustmant could make such a difference.Did i over do the adjustment?too hot?
__________________
My to main sleds.
1998 zl500 ett chassie/suspension
1996 zr580 stock
about 20 more sleds that run and go but to many to list.
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01-28-2008, 01:55 PM
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#12 (permalink)
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Registered User
Join Date: Jan 2008
Location: lisbon falls maine
Posts: 65
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my plugs looked like number 4 on that chart then I adjusted my chokes and it shot right up to a 19.I didnt think choke adjustmant could make such a difference.Did i over do the adjustment?
__________________
My to main sleds.
1998 zl500 ett chassie/suspension
1996 zr580 stock
about 20 more sleds that run and go but to many to list.
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03-05-2008, 08:05 PM
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#13 (permalink)
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Let it Snow!!
Join Date: Dec 2007
Location: Edson Alberta Canada
Posts: 191
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br9eix
I have always been running BR9ES in my sled. They say BREIX are ways better plugs. Do they make a difference? Do they start better and dont foul as easy?
__________________
Let it SNOW!!!!!
2009 Summit X 800 !!!!!!
2007 Summit X 800
1999 MXZ X 440 L/C
1976 Rupp Nitro 340 L/C
1973 Polaris Charger 400 F/C
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03-05-2008, 08:46 PM
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#14 (permalink)
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Braaap!
Join Date: Dec 2007
Location: Regina, Saskatchewan
Posts: 307
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Quote:
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Originally Posted by 89indy650
my plugs looked like number 4 on that chart then I adjusted my chokes and it shot right up to a 19.I didnt think choke adjustmant could make such a difference.Did i over do the adjustment?
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I'm going to guess your chokes were stuck before and were over-gassing your machine. A 19 is good. A 4 (although saying too cold) is how a plug will look when your engine is running rich.
Depending on temperature I go from 16-20. I've seen them almost pure white with a slight tinge of tan.
__________________
1996 Formula STX 583
2000 Polaris Indy XC 600 Deluxe 45th Anniversary
I feel no shame I'm proud of where I came from, I was born and raised in the boondocks
one thing I know no matter where I go I keep my heart and soul in the boondocks
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03-23-2008, 07:49 PM
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#15 (permalink)
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snow god is a wimp!
Join Date: Feb 2007
Location: milford
Posts: 210
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SEG thanks for the info im reading everything on that site and its awesome,VERY helpfull info,im going to pay close attention to carb area,what a great site thanks again!
__________________
2000 700xc deluxe(mine) 99 700 xc (mine for speed)2000 700 xc deluxe(mommas) 03 300 ex honda(sons) 02 300 ex honda (mine)91 dr 250(mine) 3 05 l250 4 wheelers(mommas and girls) 97 burban(all mine)lol 
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03-23-2008, 07:56 PM
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#16 (permalink)
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I am Spartacus
Join Date: Feb 2004
Location: Milton Mills, NH
Posts: 17,791
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Glad you can use this stuff!
__________________
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
1999 Yamaha Venture 500 touring
2001 Ski Doo Mini Z
Assistant Trailmaster Evergreen Valley Snowmobile Club
SledNH.com Moderator
If I'm not home, CHECK THE TRAILS!
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11-17-2008, 12:22 AM
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#17 (permalink)
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Registered User
Join Date: Nov 2008
Location: Athabasca, AB
Posts: 94
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I run BPR9ES in all my machines and have not had any troubles at all
__________________
1995 polaris 670 Rotax mod (mine)
1985 polaris indy 400 (wifes) 
1982 skidoo 3500 citation (kids) 
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12-10-2008, 07:29 PM
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#18 (permalink)
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Canadian sleder
Join Date: Oct 2008
Location: Canada
Posts: 37
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This thread is very helpful...thanks!!
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12-10-2008, 07:33 PM
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#19 (permalink)
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The Nowledgable Yooper!
Join Date: Jan 2007
Location: Marquette, Michigan
Posts: 456
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Has anyone ran any of the E3 DiamondFire Spark Plugs?
Im really interested in seeing how they really do and if they do make a difference. I have always ran NGK's BR9ES, but i am interested in trying these out this year.
__________________
08/09 Miles-1015 ΑΣΦ-Alpha Sigma Phi
2009 Jan. S.O.T.M Winner!!!
CAN IT!If you have a can on your sled keep it OFF the trails
2008 RevXP 800r, 2006 Mach Z 1000, 2006 Rev 500ss Assault, 2004 MXZ 380f, 97 Touring LE 440, 96 Indy Lite 340, Tundra
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12-11-2008, 12:46 AM
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#20 (permalink)
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Let it Snow!!
Join Date: Dec 2007
Location: Edson Alberta Canada
Posts: 191
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ya i saw those in a dennis kirk catolage. And the Denso Iridium plugs. Electrode on these plugs are even smaller than the NGK Iridium plugs. But i would put my money on NGK stiil. And ya those PowerMadd E3 Diamond Fire plugs look interesting.
__________________
Let it SNOW!!!!!
2009 Summit X 800 !!!!!!
2007 Summit X 800
1999 MXZ X 440 L/C
1976 Rupp Nitro 340 L/C
1973 Polaris Charger 400 F/C
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