Gearing/traction/clutching options 04 pro x2 600 - Page 2 - HCS Snowmobile Forums

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Old 04-23-2019, 07:40 AM   #11 (permalink)
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we are big fans of gearing lower rather than higher. just get your clutching right. to where the power is.( the right wot rpm) and a slight under rev will always be better than over rev. if out of the motors power band you will hit a flat spot. if under revving it will pull with no flat spot.

i've said this before. get your gearing and jetting right first. than clutching will be much easier.
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Old 05-16-2019, 02:57 AM   #12 (permalink)
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agree with rick.been my findings as well. biggest gain i got out of an edge was a gearing change.if at sea level , my rmk 6 ves liked 400 mains for jetting, 2 to 1 ratio or very close to it(1.95 worked well too).

all sleds are geared too tall imo. Every sled i own i always gear down.way more fun and the powers more useable everywhere except wide open down a lake.
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Old 05-17-2019, 11:51 AM   #13 (permalink)
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Gearing is all relevant for optimum performance, just depends what the sled will be run for. You not going to run 2-1 ratio while trail riding a stock 8k rpm sled on the wide open trails or lake crossings quebec has.
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Old 05-17-2019, 03:26 PM   #14 (permalink)
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Quote:
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Gearing is all relevant for optimum performance, just depends what the sled will be run for. You not going to run 2-1 ratio while trail riding a stock 8k rpm sled on the wide open trails or lake crossings quebec has.
nope. true.i should specify that's for tight wood roads and short (660-1000ft) passes and that's what I liked that ratio for.

1.8 or 1.7 is fine if its neverending ponds wide open or driving on trails 50 feet wide and flat as a board.

personally even then the tallest id personally run is 1.8 to 1 on a 144 track.
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Old 05-17-2019, 03:55 PM   #15 (permalink)
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I ran 22/40 on my 121'' xc 600 in quebec....most of the time on their trans quebec trails the sled felt flat and out of gear once you got into the upper 80's...it needed more of a load put on the motor. Found 23/40 nearly perfect up there on that sled, pulled really hard to 105 mph. I ran 22/40 down here for multiple seasons which work fine on our tight trails. I admit i can claim squat if the sled turns a 144 track.
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Old Yesterday, 08:22 PM   #16 (permalink)
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Quote:
Originally Posted by too slow View Post
I ran 22/40 on my 121'' xc 600 in quebec....most of the time on their trans quebec trails the sled felt flat and out of gear once you got into the upper 80's...it needed more of a load put on the motor. Found 23/40 nearly perfect up there on that sled, pulled really hard to 105 mph. I ran 22/40 down here for multiple seasons which work fine on our tight trails. I admit i can claim squat if the sled turns a 144 track.
if holding open longer then 1000 feet, 2 to 1s too short. at that distance or less though, the 600 edge in a 144 is near perfect gearing from my experience.very competitive with sleds it shouldn't have been on 660-1000, particularly if they struggle at all off the line.
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Old Today, 08:16 AM   #17 (permalink)
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Straights on some of quebec's trails seem to go forever.....dreamed at night setting shop up there labeling the ''shop piston city.'' Anything under 1000' would be considered a short drag race.
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