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XCR 440 owners.

This is a discussion on XCR 440 owners. within the Polaris forums, part of the Brand Specific Snowmobile Discussion category; "pockets" on HCS https://www.hardcoresledder.com/ would be a good source for that info....

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Thread: XCR 440 owners.

  1. #7041
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    RedRocketXCR's Avatar
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    "pockets" on HCS https://www.hardcoresledder.com/ would be a good source for that info.
    2 - 98 Red Rockets
    1 - 136" Edge w/ Fox Clicker, 1.25" Predator, SLP SLT skis
    1 - 136" Xtra-10, 1.25" Ripsaw, IQR skis
    Tempa Flow installed below shelf, carbs vented to air box . 1/8 turn ccw, Elevation: 950
    370 mains, 159 P-4 nozzles, stock 6DH7 needle #2 pos. w/ 1 - .020 EGT shim
    3.5+ UFOs, 17.5 pilots, 1.75 turns on air screws
    black, w2 weights
    Team TSS-04 66/44-.46, red/blue LH spring w/ 3 delrin washers
    20/39 gears

    00 XC 600 136" Edge w/ Fox Clicker, 1.25" Shockwave
    400s T-Flow #1 w/ 1- .030 egt shim
    Pol blu/wht, 10-62s (62.5), 34X, EPI purple #2, 23/40
    Boss seat, Tru-Vert riser, SLP Powder Pro skis





    http://mrcc.isws.illinois.edu/cliwat..._SNDP_MAPS.htm

  2. #7042
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    Hes not on very much but I did send him a msg. Thanks

  3. #7043
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    I just picked 2-1997/98 XCR 440's. I am going through them. They have different carbs from one sled to the other? Could this be the difference from 97 to 98 and does anyone know what the manufacture date cutoff was for each year?

    Thanks

  4. #7044
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    RedRocketXCR's Avatar
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    Need pics. Carbs shouldn't be much different.
    2 - 98 Red Rockets
    1 - 136" Edge w/ Fox Clicker, 1.25" Predator, SLP SLT skis
    1 - 136" Xtra-10, 1.25" Ripsaw, IQR skis
    Tempa Flow installed below shelf, carbs vented to air box . 1/8 turn ccw, Elevation: 950
    370 mains, 159 P-4 nozzles, stock 6DH7 needle #2 pos. w/ 1 - .020 EGT shim
    3.5+ UFOs, 17.5 pilots, 1.75 turns on air screws
    black, w2 weights
    Team TSS-04 66/44-.46, red/blue LH spring w/ 3 delrin washers
    20/39 gears

    00 XC 600 136" Edge w/ Fox Clicker, 1.25" Shockwave
    400s T-Flow #1 w/ 1- .030 egt shim
    Pol blu/wht, 10-62s (62.5), 34X, EPI purple #2, 23/40
    Boss seat, Tru-Vert riser, SLP Powder Pro skis





    http://mrcc.isws.illinois.edu/cliwat..._SNDP_MAPS.htm

  5. #7045
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    CanadianXCR's Avatar
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    The carb body assemblies do show different part numbers between 97 and 98. I believe this is because the jetting and other guts inside the carbs are different between 97 & 98, even though the physical bodies IIRC are identical.
    '98 XCR 440 "Red Rocket"

    370 Mains W/TempaFlow Airbox Vented Under Shelf 1/8 Turn CCW
    17.5 Pilots W/UFO's & Torque Flows
    P-4 286 Needle Jet W/6DH7 Needles #2 Position W/1 .020 EGT Shim
    S53Red Weights, Polaris Almond/Gold W/911 Response Cover
    TEAM TSS98 66-44-.46, Red/Blue
    22/41 Gearing
    Camoplast Ice Ripper
    Kimpex Arrow Skis W/Woodys Carbides
    Koso EGT/H20/RPM Digital Gauge

    '16 Switchback Pro-S 800 Snow Check

  6. #7046
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    I got one setup with recommendations I read on here today and it is running great. Cleaned carbs, and valves. I have found that both sets of carbs are 34mm, one set has a smaller “old” style intake and other is wider and newer. Thanks!

  7. #7047
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    There are a handful of minor & major differences between the 97 & 98. Hopefully the 97 you picked up has had the engine update done.
    '98 XCR 440 "Red Rocket"

    370 Mains W/TempaFlow Airbox Vented Under Shelf 1/8 Turn CCW
    17.5 Pilots W/UFO's & Torque Flows
    P-4 286 Needle Jet W/6DH7 Needles #2 Position W/1 .020 EGT Shim
    S53Red Weights, Polaris Almond/Gold W/911 Response Cover
    TEAM TSS98 66-44-.46, Red/Blue
    22/41 Gearing
    Camoplast Ice Ripper
    Kimpex Arrow Skis W/Woodys Carbides
    Koso EGT/H20/RPM Digital Gauge

    '16 Switchback Pro-S 800 Snow Check

  8. #7048
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    CanadianXCR I sent you a PM

  9. #7049
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    Guys I have a 98 Red Rocket, bought it with 1500 miles on it which had a fresh rebuilt top end, broke in and ran great over the last 3yrs reaching good RPM's and 90+mph, machine now has 2800 miles on it and I rode last weekend and could only get 6500 rpm and maybe 60mph, I did not change any carb settings and it was 35* last weekend. When I brought it in the shop check the needles and the eclip was on the top setting, I did pull the spark plugs and the PTO has slight piston wash or small aluminum deposits on the plug. Possible a bad carb boot or what other things should I start to look at?

  10. #7050
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    RedRocketXCR's Avatar
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    Carbs clean? Fuel system in proper working condition? Aged/cracked intake boot? Poor fuel? Resistance causing excess load on motor?
    Aluminum on the plug requires plug hole inspection, minimum. Likely more.
    Let us know how the sled is set up. Condition of components is critical. A lot of guys with experience on the machines, just need good info to help.
    CanadianXCR likes this.
    2 - 98 Red Rockets
    1 - 136" Edge w/ Fox Clicker, 1.25" Predator, SLP SLT skis
    1 - 136" Xtra-10, 1.25" Ripsaw, IQR skis
    Tempa Flow installed below shelf, carbs vented to air box . 1/8 turn ccw, Elevation: 950
    370 mains, 159 P-4 nozzles, stock 6DH7 needle #2 pos. w/ 1 - .020 EGT shim
    3.5+ UFOs, 17.5 pilots, 1.75 turns on air screws
    black, w2 weights
    Team TSS-04 66/44-.46, red/blue LH spring w/ 3 delrin washers
    20/39 gears

    00 XC 600 136" Edge w/ Fox Clicker, 1.25" Shockwave
    400s T-Flow #1 w/ 1- .030 egt shim
    Pol blu/wht, 10-62s (62.5), 34X, EPI purple #2, 23/40
    Boss seat, Tru-Vert riser, SLP Powder Pro skis





    http://mrcc.isws.illinois.edu/cliwat..._SNDP_MAPS.htm

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