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    2001 XCR 800 Gearing Questions

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    8 replies
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    • Member since
      April 2010
    Posted by billorais on Wednesday, April 14, 2010 6:27 PM

    when i drop my top gear down i found that a slight over rev in rpm occurs depending on how long i hold it pinned.so what i do is add more wieght to the primary to the piont were the motor is still at peek power  and tigthen up the secondry to the piont were it eats belts then back off a little pressure on the secoundry  and lots of studs and i found only a few mph loss but huge acceleration gains

    • Member since
      May 2006
    • From: lac-st-jean,quebec province
    Posted by scramblered on Thursday, March 25, 2010 4:28 PM

    i forgot to tell traction problem can be only solved with a big wheel kit on xcr 800,at least 8'' rear idler wheels,that will increase traction but at least 100% without adding weight or put longer more height track lug,will eventally remove at least 5lbs+ or so of rotating mass out,track run more unto wheels,so less friction in the drivetrain and harder higher top speed.

     

    -00 hot seat race mods/ flannery ports XCR 800 VES

    • Member since
      May 2006
    • From: lac-st-jean,quebec province
    Posted by scramblered on Thursday, March 25, 2010 4:22 PM

    try this 22/40 gears 50/38x hot seat helix with silver blue,140-330 primary spring,with about 62 or so weight.run the hot seat belt #4 with hot seat slippery button,garmax secondary bushing.that setup will only work well with at least 200 hp.

     

    -00 hot seat race mods/ flannery ports XCR 800 VES

    • Member since
      March 2009
    Posted by XCR700VES on Friday, November 20, 2009 5:56 PM

    I just changed the gearing in my 99 XCR 700 from 24/40 to 22/40 to make it quicker. I can't wait to experience the arm stretching acceleration this will bring to the sled.

    "It isn't that Liberals are ignorant. It's just that they know so much that isn't so" Ronald Reagan
    • Member since
      July 2005
    • From: Tewksbury Ma..
    Posted by RogerBzXCR on Wednesday, November 18, 2009 5:06 PM

    I run 22/40 gears in both my 2000 XCR and my 2002 Edge-XCR and will be using the same gearing in my recently acquired 2002 XCR, there is trade off definatley.. But with that gear set you still can see triple digits but you will get there alot faster,  Traction is a MUST to make the most out of the 22/40 gear set, I actually get decent MPG's using this gear set, It's much easier on Belts, and out of the corner acceleration is awesome. needless to say if traction is obtained holeshot and acceleration is arm stretching..

     

     

    • Member since
      July 2005
    • From: Upstate New York
    Posted by White Lightning on Wednesday, November 18, 2009 9:38 AM

    Stock gearing is 24/39 and as far as I am concerned, its a pretty good setup for all around purposes. Being the XCR8 motor already has tons of power and torque, dropping gearing down lower would only makes u get less mpg, more track spins. Unless youre running 136 long track version or longer and plenty of tractions, then I can see you might wanna playing with the gearing. Like others above, depending on your riding style and what you want your sled to do. WL

    The AFTERBURNER!!!

    • Member since
      November 2009
    Posted by wiguy85 on Tuesday, November 17, 2009 8:48 PM

    the new gear set is a pretty nice set up.  Should work alright. I'd say you could change a tooth but you already got them so don't worry, fine set.  It'll waken up your low and some mid without really any noticeable top-end.    Did two teeth on top and bottom gears,  woke the storm up and still hold the top.

    • Member since
      September 2005
    Posted by 1000cc on Tuesday, November 17, 2009 8:48 PM

    It depends on you riding style.It will certainly accelerate quicker but you'll need good traction, it will use more gas, and you will loose 10 or more mph on the top end..maybe 15.If you rip through tight trails it will be a blast you will sacrifice those long legs that sled has.I run a 40/23 and I love it but I also play out on the lakes and mostly trail ride .0-100 comes up real fast !!!!! I have seen 118 on the speedo with that gear but they are not always accurate. I also spin the motor to 8500 rpms...pipes/ porting.Your rpms won't be that high with stock pipes.

    It's always a trade off.

    1200 cc stroker

    • Member since
      August 2009
    • From: fox lake
    2001 XCR 800 Gearing Questions
    Posted by snowfev on Tuesday, November 17, 2009 5:01 PM

    I have a stock 2001 XCR 800 with a black primary spring. I was looking at what other people have done to theirs for gearing and it seems like everyone is running a 22/40 compared to the stock 24/39. I brought a 22/40 gearing, but now I'm doubting it. Am I going to lose a lot of top speed by doing that?? Is it worth it??

    Thank you,

    Patrick

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