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I am considering going to 19/43 gearing. Can anyone comment on running the lower grearing?
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19 x 41 is stock on the IQs I switched to a chalinger ext 155 x2.5 with 19x43 gears and it rips pulls way harder than stockIs 19 41 do able?
20/41 is stock
TRS...did you try checking full shift out with lesser gears than 19/46?
Seems pretty extreme at 2.42:1
What pitch chain are you using with those combos?
How close is the chain on the bottom sprocket to the case?[/QU
I hope the guys we have installed this in or have themselves will chime in here. It will give you their perspective. I don't know of one that will or has changed it. This is for 8-10,000'.
With the stock primary clutch the 19-46 works. If you had Dan, Carls, or someone else cut your clutches the 20-46 is better. The 46 you get from Team. It is to bad they don't make the LWT race gear in this size. 74 pitch(3221109) works with the 19 and 20. Plenty of room at the bottom of the case. Started running this combo in 2011. FYI, I did try the 1332266 Race roller assembly/ tightener, it rattles in the chain case.
I'm off to see the wizard, I need some 3" charge tube.
20/41 is stock
TRS...did you try checking full shift out with lesser gears than 19/46?
Seems pretty extreme at 2.42:1
What pitch chain are you using with those combos?
How close is the chain on the bottom sprocket to the case?
Type O.... Good catch. 20/42 ... still have the gears in a zip-lock on the bench.
I installed the race tensioner as well... Just got it from freeagent...hope the rattle is not too bad or I'll be going with the 2005 900 RMK version which doesn't rattle.
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For the sake of discussion.
At a certain point though, you can have too low of ratio that you cant take advantage of.
Logic has it... If you are shifting all the way out on the primary (the belt rides out all the way on the primary) during most of your riding... then you should stop gearing down... past that point you are loosing track speed... kind of like running your truck in 3rd gear for too long. For the individual setup of the sled, state of tune, clutching, track, drivers, altitude etc... gear down till you shift out fully.. and stop there.
Track-speed as in "clawing at the snow in an effort to keep moving" and not track-speed as in "ripping down the trail"
Thoughts???
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If I'm not mistaken since 2012 BRP has been using 19/49(154) and 19/51(163) and I just read in the latest snowest that for 2014 cat will be running 19/50 in the M's. I wonder if this has anything to do with the increased belt life XP and XM riders have been seeing over the last 2 years and if this will improve cats belt life as well. This really makes me wonder what the reasoning behind why Polaris has such a high gear ratio? Why does a mountain sled have to be geared to do 80mph+, when the only place you will ever get even close to that is on the trail? I browsed through a thread in the turbo section on track speeds and found that most, in decent snow were in the Low to mid 60mph range.
TRS is 46 the biggest bottom gear you can go in a stock chain case? Did you have to change your clutching much for your 19/46?