Just bought a 2003 RMK 800 need advice... - HCS Snowmobile Forums

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Old 11-24-2011, 02:54 PM   #1 (permalink)
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Join Date: Nov 2009
Posts: 13
Current Sled(s): 2003 Polaris RMK 800
Previous Sled(s): 1998 Polaris XC 700
Location: Blaine, MN
Favorite Riding Area: Out WEST
10-11 Mileage: 1800
Age: 21
Riding Since: 1994
Default Just bought a 2003 RMK 800 need advice...

I just bought a 2003 RMK 800 i got a really good deal on it. Its all set up for out west 8,000 to 10,000 feet its got a SLP single pipe , Hot seat performance race head with high elevation domes, Team secondary, Wire harness and CDI out of a 2004 so it has PERC reverse and a knock sensor. I want to find a good set up for it so i can run it in MN and MI. I think i am going to try and find a stock head for it because i have had no luck finding low compression domes for the head that's on it. Any one know a good set up for jetting and clutching ? Pilots, mains, needle position, Primary spring, weights, helix, and spring for the team secondary , Exhaust valve springs.
Also i am having trouble finding a stock head with the hole for the knock sensor... Has anyone tried to drill and tap a hole for the knock sensor in a 2001-2003 head ?
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Old 11-24-2011, 03:26 PM   #2 (permalink)
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Join Date: Nov 2009
Posts: 13
Current Sled(s): 2003 Polaris RMK 800
Previous Sled(s): 1998 Polaris XC 700
Location: Blaine, MN
Favorite Riding Area: Out WEST
10-11 Mileage: 1800
Age: 21
Riding Since: 1994
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Secondary clutch is a TSS-04 and it also has the SLP high flow intake.
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Old 11-24-2011, 05:57 PM   #3 (permalink)
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Join Date: Nov 2009
Posts: 13
Current Sled(s): 2003 Polaris RMK 800
Previous Sled(s): 1998 Polaris XC 700
Location: Blaine, MN
Favorite Riding Area: Out WEST
10-11 Mileage: 1800
Age: 21
Riding Since: 1994
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This is what i found from SLPs web site...

2003 Polaris RMK 800 SLPs clutching and jetting set up low elevation.
Main jets -30 to -10 510n
-10 to 10 500
Needle position -30 to -10 #4
-10 to 10 #3.5 (position #3 with .020 shim under e-clip)
Stock pilot #45
Stock cutaway 2.0
Stock needle 9DGN6-57
Stock needle jet P-8
Clutching
Primary spring SLP black pink 40-75
Weights 10-66
Secondary spring red black 50-6
Helix 50-83 set at 58/44

Has anyone tried this setup ?
Would you change anything ?
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Old 11-26-2011, 01:10 AM   #4 (permalink)
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Join Date: Dec 2008
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Current Sled(s): 2007 M1000 sno pro
Previous Sled(s): 2003 POLARIS 800 RMK, SLP KIT 600 POLARIS 78 SCORPION STIN
Location: Wyoming
Favorite Riding Area: Wyoming
10-11 Mileage: 600
Age: 51
Riding Since: 1969
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I have a stock head for it.. Let me know.
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Old 11-26-2011, 09:27 PM   #5 (permalink)
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Join Date: Nov 2009
Posts: 13
Current Sled(s): 2003 Polaris RMK 800
Previous Sled(s): 1998 Polaris XC 700
Location: Blaine, MN
Favorite Riding Area: Out WEST
10-11 Mileage: 1800
Age: 21
Riding Since: 1994
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Damn... I bought one off eBay yesterday. If it doesn't work out ill let you know.
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Old 11-26-2011, 09:29 PM   #6 (permalink)
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Join Date: Dec 2008
Posts: 2
Current Sled(s): 2007 M1000 sno pro
Previous Sled(s): 2003 POLARIS 800 RMK, SLP KIT 600 POLARIS 78 SCORPION STIN
Location: Wyoming
Favorite Riding Area: Wyoming
10-11 Mileage: 600
Age: 51
Riding Since: 1969
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Just let me know.
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Old 11-29-2011, 04:16 AM   #7 (permalink)
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10-68's
try an almond blue (140-310) or a almond yellow (140-290) or comparable springs. to try. You will need a soft finish rate to put some load on the motor with the low gearing. (the second number) Stock is black green (120-340)
needles in position #3 (middle)
fuel screws 2.5 turns out (be very gentle with these when srewing them in all the way to check position. )
air screws out 1.5 turns to start (these are the small brass screws) You may have to turn these out a little at a time until you get rid of a cold pipe bog/load up at slow speeds and take off. The slp pipe can run pretty hot on egt guages in the midrange, this way of leaning the lowside keeps things safe.
480 jets with stock head and slp pipe and gutted airbox.

Make sure you work into this setup by checking the plugs several times. I run yamalube2 or citgo sea&snow and you can get real good readings from the plugs, easier than reading the wash and or egts which I was able to back up with both.
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Old 11-29-2011, 06:28 AM   #8 (permalink)
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Location: Bethel, Maine
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The pre-D.E.T heads do not have the extra meat needed to be drilled for the D.E.T sensor. You would drill right into the cooling jacket of the head.
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