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What Is This?
- Head off 99 polaris 700
started by bdsled
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September 23rd 2008 at 3:04 PM
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bdsled
Is ready to take the Blazer out for a spin.
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116 Posts 
Group: Members
Member Since: December 8th 2005
Location: Beaver Dam, Wi, USA
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This head came off of a 99 700 motor that I bought at Haydays last year. I have looked everywhere and there does not appear to be a part number or any identification marks on it. I was wondering if anyone if anyone knows who may have made this head or any way to identify it.
Thanks for the help
2003 Pro-X 440 racer soon to be a 700
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Site Supporter
Group: Site Supporters
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September 23rd 2008 at 3:23 PM
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MX86
Powder Rider
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1640 Posts 
Group: Members
Member Since: March 1st 2007
Location: Nashwauk, Minnesota, USA
Current Sled: 1999 polaris 700 SKS mod
2008-2009 Miles: not enough
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Looks like the SLP cheater Heads
2006 Yamaha YZ250
KYB SSS Suspension w/ Race Tech G2 gold Valve, ASV F3 levers, Tag Metals Triple clamp w/Pro Taper Bars, IMS Pro Series Pegs, Motion Pro Twist Throttle Assembly, VF3 Reeds
Thanks to my newest 09 Sponsors:
Gravity Worx Racing
Duner Central
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September 23rd 2008 at 4:59 PM
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01ves800
Junior Member
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288 Posts
Group: Members
Member Since: October 23rd 2007
Location: Erie, pa, USA
Current Sled: 01 xcsp800 ves
2008-2009 Miles: 78
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+2 appear to be some sort of aftermarket head. Slp would be my guess also.
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September 23rd 2008 at 10:19 PM
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MX86
Powder Rider
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1640 Posts
Group: Members
Member Since: March 1st 2007
Location: Nashwauk, Minnesota, USA
Current Sled: 1999 polaris 700 SKS mod
2008-2009 Miles: not enough
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i believe there is only two manufacturers that make the cheater head design for that year. SLP is one but for the lift of me i can't remember the other one...
2006 Yamaha YZ250
KYB SSS Suspension w/ Race Tech G2 gold Valve, ASV F3 levers, Tag Metals Triple clamp w/Pro Taper Bars, IMS Pro Series Pegs, Motion Pro Twist Throttle Assembly, VF3 Reeds
Thanks to my newest 09 Sponsors:
Gravity Worx Racing
Duner Central
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September 23rd 2008 at 10:35 PM
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bdsled
Is ready to take the Blazer out for a spin.
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116 Posts
Group: Members
Member Since: December 8th 2005
Location: Beaver Dam, Wi, USA
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Shouldn’t there be a part number somewhere on it?
Thanks for the help guys.
2003 Pro-X 440 racer soon to be a 700
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September 23rd 2008 at 10:56 PM
[ Modified September 23rd 2008 at 10:57 PM
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mdmaniac
Go Big or Go Home
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2871 Posts 
Group: Members
Member Since: December 9th 2003
Location: Blossvale, New York, USA
Current Sled: sledlessss
2008-2009 Miles: almost 1k
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Hot Seat Performance is the other one. these are cheater heads off a 2002 Edge X 700. Hot Seat heads. Good Luck
2006 Fusion 600HO -- B.D.F. Performance Package
162 1.45" Studs / Cobra 136" Track / TracksUSA extension
C&A Pro Outlaws / 7.5" Shaper Bars
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September 24th 2008 at 1:32 AM
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I'v been having the same problem. I have a set of aftermarket heads for a 700, but no idea who made them.. I do have a parts number, but still cant figure it out!
it looks similar to yours, but they do have a few differences... like on the corners of yours, theres holes for what looks to be for bolts, mine dosnt have that.
00 xc/rmk... the new frankinsled.
98 xc 700 engine 220's, 800 pipe and can, 8"fly risers, fly sno-x bars, power madd hand guards, 98 xc seat, clutched, gutted air box, 98xc front suspension, swapped xtra-10 rear
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September 24th 2008 at 10:26 PM
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mdmaniac
Go Big or Go Home
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2871 Posts
Group: Members
Member Since: December 9th 2003
Location: Blossvale, New York, USA
Current Sled: sledlessss
2008-2009 Miles: almost 1k
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CRdude, whats the part number?
2006 Fusion 600HO -- B.D.F. Performance Package
162 1.45" Studs / Cobra 136" Track / TracksUSA extension
C&A Pro Outlaws / 7.5" Shaper Bars
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September 24th 2008 at 10:31 PM
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head reads 46ps100.
the domes say P80 and 10 A
id love to run aftermarket heads (just for the cool factor) but id need to know what altitude the domes are for and what brand it is so I can get a gaskit set.
00 xc/rmk... the new frankinsled.
98 xc 700 engine 220's, 800 pipe and can, 8"fly risers, fly sno-x bars, power madd hand guards, 98 xc seat, clutched, gutted air box, 98xc front suspension, swapped xtra-10 rear
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September 24th 2008 at 11:42 PM
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bdsled
Is ready to take the Blazer out for a spin.
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116 Posts
Group: Members
Member Since: December 8th 2005
Location: Beaver Dam, Wi, USA
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The holes in the corners of the head had allen bolts in them witch bolted into the cylinders.
2003 Pro-X 440 racer soon to be a 700
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September 25th 2008 at 6:31 AM
[ Modified September 25th 2008 at 6:35 AM
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98700xcBB
Thread killer
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854 Posts 
Group: Members
Member Since: December 30th 2005
Location: In The Sticks, MI, USA
Current Sled: 98 700 xc
2008-2009 Miles: 274
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Quote originally posted by bdsled
This head came off of a 99 700 motor that I bought at Haydays last year. I have looked everywhere and there does not appear to be a part number or any identification marks on it. I was wondering if anyone if anyone knows who may have made this head or any way to identify it.
Thanks for the help
I was talking with 98700xc about this head; he says it’s a Chopper City head. They were the only companie to put the holes in the corners, also were one of the few to use a stepped dome insert that’s not bolted down. Chopper City is located in Mn.
Quote originally posted by crdude
I'v been having the same problem. I have a set of aftermarket heads for a 700, but no idea who made them.. I do have a parts number, but still cant figure it out!
it looks similar to yours, but they do have a few differences... like on the corners of yours, theres holes for what looks to be for bolts, mine dosnt have that.
looks like a PSI head.
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September 27th 2008 at 5:34 AM
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I talked to the PSI guy on his forums he said they look like slp? but I cant find a matching parts #?
http://www.psipowerinc.com/forums/index....opic=240.0
00 xc/rmk... the new frankinsled.
98 xc 700 engine 220's, 800 pipe and can, 8"fly risers, fly sno-x bars, power madd hand guards, 98 xc seat, clutched, gutted air box, 98xc front suspension, swapped xtra-10 rear
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September 27th 2008 at 8:34 AM
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polaris1man
Average Member
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737 Posts
Group: Members
Member Since: December 22nd 2007
Location: Nashwauk, Minnesota, USA
Current Sled: Polaris SKS700
2008-2009 Miles: not many
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Call Marv up at Chopper City, he'll tell yah if that head is fab'd by him..I bought a bunch of custom Helix's from Marv, he's a hoot, and if you get him on the right subject, be prepared to listen for quite a while!!!If you can find any numbers stamped on the dome, and start with a "10" call SLP-Jerry Matthews
Three-1999 Polaris SKS700's
2000 Polaris SKS700
2000 Polaris Ranger 6x6
2007 Polaris Sportsman 800 EFI X2
2000 Yamaha YZ 250
1996 Yamaha WR250
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September 28th 2008 at 7:59 AM
[ Modified September 28th 2008 at 8:13 AM
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1fastxc
Junior Member
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177 Posts
Group: Members
Member Since: May 21st 2006
Location: little suamico, wisconsin, USA
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I agree with 98700xcBB on both heads. The one looks like chopper city because of the corner holes. That was kinda their signature. The other looks like a psi head. I know the guy from psi responded to your post on their forum, but i don't think he knows what the hell he's talking about. I guarantee you with 100% confidence that it isn't an slp head. I had a psi head set years ago, and i think it looked like that, but i don't remember that well. I currently run slp heads on my 800, and they're designed quite diferently.
Actually, i have some good news and possibly bad news. The head is definitely psi. I have a bunch of old psi catalogs, and here's some pics of their design.
They're identical to yours. The bad news is, the part numbers for the heads seem to be for an 800. Their part number for an 800 head sea level is p80-11A. For a 700 it's p70-11a. I don't know why yours says 10A, but either way the p80 seems to suggest yours is for an 800. You could take a caliper and mearsure the squish area and see what diameter it is. Hope this helps, and sorry for the possible bad news.
Slightly stock with extra sauce
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September 30th 2008 at 2:30 AM
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hmm.. even if the PSI heads did fit my 700, would I notice improvment with stock porting and stock pipe?
00 xc/rmk... the new frankinsled.
98 xc 700 engine 220's, 800 pipe and can, 8"fly risers, fly sno-x bars, power madd hand guards, 98 xc seat, clutched, gutted air box, 98xc front suspension, swapped xtra-10 rear
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September 30th 2008 at 6:02 PM
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1fastxc
Junior Member
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177 Posts
Group: Members
Member Since: May 21st 2006
Location: little suamico, wisconsin, USA
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Probably not a seat of the pants improvement.
Slightly stock with extra sauce
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October 1st 2008 at 6:00 AM
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polaris1man
Average Member
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737 Posts
Group: Members
Member Since: December 22nd 2007
Location: Nashwauk, Minnesota, USA
Current Sled: Polaris SKS700
2008-2009 Miles: not many
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If they are truely a after market head, check your compression, I believe stock is around 120 PSI, with the head kit, if your going over 135 PSI, then there will be improvement, so long as you are jetted, and clutched correctly. Clean the airbox out, or remove it for a couple of 1/4 miler passes and see.
Three-1999 Polaris SKS700's
2000 Polaris SKS700
2000 Polaris Ranger 6x6
2007 Polaris Sportsman 800 EFI X2
2000 Yamaha YZ 250
1996 Yamaha WR250
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