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Running too rich I think
started by 95FormulaSS
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October 21st 2009 at 10:05 AM
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95FormulaSS
New Member
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68 Posts 
Group: Members
Member Since: November 18th 2005
Location: Raleigh, NC, USA
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My Formula 670 runs like a bat out of hell and screams. I have hand calculated it to get about 8-10 mpg. It will leave a brownish/blackish trail from the exhaust if you nail it. After riding and letting it cool down for a bit it will flood real easy and be impossible to start without drying the plugs a couple of times. The exhaust ports are oily too somewhat. I think I'm running a bit rich, but the carbs are set to what the manual says and I've never messed with the jets. It doesn't foul plugs either. Maybe this is normal for this sled? Been running it like this for 5 years. Idle is set to about 1700-1800.
2005 Arctic Cat Sabercat 600 lx EFI
1995 Ski-doo Formula SS 670
2004 Honda Rancher 4x4 yellow
2001 Arctic Cat 500 4x4
2004 Dodge 2500 4x4 quad cab diesel
1995 Dodge 3500 4x4 reg cab diesel
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Site Supporter
Group: Site Supporters
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October 21st 2009 at 10:13 AM
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xcr440
Sundowners Trail Coordinator
xcr440 icefish's because having feeling in your fingertips is overrated.
Updated Yesterday at 10:49 PM
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12583 Posts 
Group: Members
Member Since: February 1st 2003
Location: St.Germain/Edgerton, Wisconsin, USA
Current Sled: 03prox700/97xcr440
2008-2009 Miles: 610
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needle and seats leaking a bit??
a good beer drinker isnt a picky beer drinker
Loggers.... Working their ass off so you can wipe yours!
"Steep ground is when your cutting a notch and notice a mountain goat looking at you like you are crazy." - Hexan
woodbooga: (WOOD-boog-ah), n. regional dialect, common to areas of New Hampshire and Maine including the towns of Ossipee, Alton, Farmington, Acton, and Lebanon; one who attempts to obtain free firewood to fuel woodburning appliances in an effort to mitigate expenses related to home heating with fossil fuels. Frequently used as a term of derision by non-woodburners who mock the presence of loose bark and other wood waste in the beds of their pickup trucks.
2003 Pro x 700 almond/blue,10-66 black/red team 719 T-flow, 440 mains
1997 xcr440 my clutch kit, 380 mains,T-flow
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October 21st 2009 at 11:23 AM
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KRSS144
Average Member
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782 Posts 
Group: Members
Member Since: July 31st 2007
Location: SPARTA, MI
Current Sled: 2000 XC 600 SP -its stock
2008-2009 Miles: 850
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^also how warm is it. Sounds like way to rich if your not even burning the fuel and its going right out the exhaust.
QUOTE(JeremyZ3 @ Jan 27 2009, 04:38 PM)
F*** YOU ATLEAST I AINT A JEWISH XC JUNK OWNING ASS F***ER
Goodwin Performance clutch kit,Boysen Reeds,1" Track,192 Stud Boys studs,Extra idler wheels,Thunder Products-extra air vents,SLP boost bottle,SLP Airhorn,Walker Evan rear Piggy Back shock,2 SLP Flow Right Intake,Rumble Pack can,PowerMadd 3" pivot riser w/6" riser block,custom made straight bar,PowerMadd handguards,PowerMadd SS extended throttle cable,RSI hand grips and SS brake line,hood vents yellow,Custom seat
04 SXVenom (Little ladies)
99 Banshee
Red Frame,.40 over Vitos Super Stock Piston Kit,Vitos Needles,
T5 pipes/silencers,Tusk nerf bars,K&N Air Filter,22" ITP Mud Lites
14/41 Gearing
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October 21st 2009 at 12:02 PM
[ Modified October 21st 2009 at 12:30 PM
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95FormulaSS
New Member
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68 Posts
Group: Members
Member Since: November 18th 2005
Location: Raleigh, NC, USA
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I ride in NH and it's normal outside temp and the sled is fully warmed up. I'm thinking that when I shut it down it's still pulling all that fuel into the motor and when I go to restart it after it cools down, it's flooded from it sucking in the fuel during shut down. If I shut off the fuel and let it run until it dies, it will restart just fine with a primer shot or two.
2005 Arctic Cat Sabercat 600 lx EFI
1995 Ski-doo Formula SS 670
2004 Honda Rancher 4x4 yellow
2001 Arctic Cat 500 4x4
2004 Dodge 2500 4x4 quad cab diesel
1995 Dodge 3500 4x4 reg cab diesel
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October 21st 2009 at 12:14 PM
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xcr440
Sundowners Trail Coordinator
xcr440 icefish's because having feeling in your fingertips is overrated.
Updated Yesterday at 10:49 PM
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12583 Posts
Group: Members
Member Since: February 1st 2003
Location: St.Germain/Edgerton, Wisconsin, USA
Current Sled: 03prox700/97xcr440
2008-2009 Miles: 610
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whats normal??
a good beer drinker isnt a picky beer drinker
Loggers.... Working their ass off so you can wipe yours!
"Steep ground is when your cutting a notch and notice a mountain goat looking at you like you are crazy." - Hexan
woodbooga: (WOOD-boog-ah), n. regional dialect, common to areas of New Hampshire and Maine including the towns of Ossipee, Alton, Farmington, Acton, and Lebanon; one who attempts to obtain free firewood to fuel woodburning appliances in an effort to mitigate expenses related to home heating with fossil fuels. Frequently used as a term of derision by non-woodburners who mock the presence of loose bark and other wood waste in the beds of their pickup trucks.
2003 Pro x 700 almond/blue,10-66 black/red team 719 T-flow, 440 mains
1997 xcr440 my clutch kit, 380 mains,T-flow
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October 21st 2009 at 12:31 PM
[ Modified October 21st 2009 at 12:34 PM
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95FormulaSS
New Member
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68 Posts
Group: Members
Member Since: November 18th 2005
Location: Raleigh, NC, USA
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Sorry, 20's and 30's I guess during the day. I ride in the middle of the state in the lakes region.
I forgot to mention that it will start just fine if the motor is still hot and start fine if it's cold. In between those and it can be a pain.
2005 Arctic Cat Sabercat 600 lx EFI
1995 Ski-doo Formula SS 670
2004 Honda Rancher 4x4 yellow
2001 Arctic Cat 500 4x4
2004 Dodge 2500 4x4 quad cab diesel
1995 Dodge 3500 4x4 reg cab diesel
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October 21st 2009 at 12:36 PM
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powersledder
PSI Powered
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3606 Posts
Group: Members
Member Since: September 1st 2006
Location: Houghton, MI, USA
Current Sled: 07 IQr
2008-2009 Miles: No Speedo
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I know older polaris 440's and 488's and problems with the needles and seat leaking. Easiest fix was to just shut the fuel valve off if you were going to stop for a long time. You can check to see if that helps, if it does you've found the problem.
Polaris 800HO monoblock cylinder for sale PM me with offers
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October 21st 2009 at 12:43 PM
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95FormulaSS
New Member
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68 Posts
Group: Members
Member Since: November 18th 2005
Location: Raleigh, NC, USA
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I always shut the fuel off if it's going to sit, even for a short time. It helps to run it out of fuel with the valve off, so maybe that does point to the needles and seats.
2005 Arctic Cat Sabercat 600 lx EFI
1995 Ski-doo Formula SS 670
2004 Honda Rancher 4x4 yellow
2001 Arctic Cat 500 4x4
2004 Dodge 2500 4x4 quad cab diesel
1995 Dodge 3500 4x4 reg cab diesel
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October 21st 2009 at 12:49 PM
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xcr440
Sundowners Trail Coordinator
xcr440 icefish's because having feeling in your fingertips is overrated.
Updated Yesterday at 10:49 PM
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12583 Posts
Group: Members
Member Since: February 1st 2003
Location: St.Germain/Edgerton, Wisconsin, USA
Current Sled: 03prox700/97xcr440
2008-2009 Miles: 610
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Quote originally posted by 95FormulaSS
Sorry, 20's and 30's I guess during the day. I ride in the middle of the state in the lakes region.
I forgot to mention that it will start just fine if the motor is still hot and start fine if it's cold. In between those and it can be a pain.
Have you tried holding it wide open and starting it??
a good beer drinker isnt a picky beer drinker
Loggers.... Working their ass off so you can wipe yours!
"Steep ground is when your cutting a notch and notice a mountain goat looking at you like you are crazy." - Hexan
woodbooga: (WOOD-boog-ah), n. regional dialect, common to areas of New Hampshire and Maine including the towns of Ossipee, Alton, Farmington, Acton, and Lebanon; one who attempts to obtain free firewood to fuel woodburning appliances in an effort to mitigate expenses related to home heating with fossil fuels. Frequently used as a term of derision by non-woodburners who mock the presence of loose bark and other wood waste in the beds of their pickup trucks.
2003 Pro x 700 almond/blue,10-66 black/red team 719 T-flow, 440 mains
1997 xcr440 my clutch kit, 380 mains,T-flow
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October 21st 2009 at 1:03 PM
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95FormulaSS
New Member
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68 Posts
Group: Members
Member Since: November 18th 2005
Location: Raleigh, NC, USA
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That usually works after I dry the plugs and several pulls.
2005 Arctic Cat Sabercat 600 lx EFI
1995 Ski-doo Formula SS 670
2004 Honda Rancher 4x4 yellow
2001 Arctic Cat 500 4x4
2004 Dodge 2500 4x4 quad cab diesel
1995 Dodge 3500 4x4 reg cab diesel
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October 21st 2009 at 3:07 PM
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skidoo4you
Wants to have more money to buy sled
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91 Posts
Group: Members
Member Since: February 1st 2008
Location: Lanesboro, Minnisota, USA
Current Sled: 98 ski-doo Formula S 380
2008-2009 Miles: 450
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when its warm and you wanna start it jsut hold throttle wide open and nothing else that might work
Eat my snow from my 380 :P
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October 21st 2009 at 3:27 PM
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95FormulaSS
New Member
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68 Posts
Group: Members
Member Since: November 18th 2005
Location: Raleigh, NC, USA
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Ok, I'll leave it as is and give it shot. Thanks.
2005 Arctic Cat Sabercat 600 lx EFI
1995 Ski-doo Formula SS 670
2004 Honda Rancher 4x4 yellow
2001 Arctic Cat 500 4x4
2004 Dodge 2500 4x4 quad cab diesel
1995 Dodge 3500 4x4 reg cab diesel
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October 22nd 2009 at 3:24 PM
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stormrider62033
wally
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4729 Posts
Group: Members
Member Since: December 25th 2004
Location: Gillespie, IL, USA
Current Sled: 99xcr 800
2008-2009 Miles: 500
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this could be a number of problems ,first needles and seats ,even have had primers go bad ,and suck gas thru them ,
mid Il alway's waiting for snow,moving north(way north)2001 thundercat 99xcr 800 97SPX ULTRA 96 zrt 600&800,92 doo plusX 92 v max 4 750
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October 23rd 2009 at 7:17 AM
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KRSS144
Average Member
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782 Posts
Group: Members
Member Since: July 31st 2007
Location: SPARTA, MI
Current Sled: 2000 XC 600 SP -its stock
2008-2009 Miles: 850
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Check the floats, make sure they are set right and the float seat.
QUOTE(JeremyZ3 @ Jan 27 2009, 04:38 PM)
F*** YOU ATLEAST I AINT A JEWISH XC JUNK OWNING ASS F***ER
Goodwin Performance clutch kit,Boysen Reeds,1" Track,192 Stud Boys studs,Extra idler wheels,Thunder Products-extra air vents,SLP boost bottle,SLP Airhorn,Walker Evan rear Piggy Back shock,2 SLP Flow Right Intake,Rumble Pack can,PowerMadd 3" pivot riser w/6" riser block,custom made straight bar,PowerMadd handguards,PowerMadd SS extended throttle cable,RSI hand grips and SS brake line,hood vents yellow,Custom seat
04 SXVenom (Little ladies)
99 Banshee
Red Frame,.40 over Vitos Super Stock Piston Kit,Vitos Needles,
T5 pipes/silencers,Tusk nerf bars,K&N Air Filter,22" ITP Mud Lites
14/41 Gearing
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