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HCS Snowmobile Forums > Snowmobile Forums > Polaris General Discussion > 440/race/modified

bgblock
So you guys that are trail riding these converted sled what gearing are you using ?
or recommend. seems as though it needs a little speed.
Also are the needles that i see recommened good for the 06 .
seemed alittle doggy on the low and wouldnt start worth a shit
when warm. any help would be appreciated.
bgblock
Tromso
:div20:


Ak Racing tips
bgblock
QUOTE(Tromso @ Dec 11 2006, 11:56 AM) *

Hey thanks what about the needles ??
bgblock
Tromso
Not sure about the needles, thats why i didnt answar that question.. Bet somone will answar in just a minute.
Fast Rider
those 01 needles are the ones recommended for trail riding these 440s. im not sure what needle is used in the 06, but you could reference the part numbers from 03 on up, and if its the same needle you could switch to the 01 for trail.
bgblock
So whats the deal with the bottom gears .
mine has the slip gear stock .
do the slip gears come with a different
tooth count i couldnt find them . If not do you just run the regular gear.?
bgblock
AkIQPilot
The stock slip gear is 45 tooth and that is about the only toothed slip gear available at this time. Any Polaris HYVO gear will work. The slip gear is only necesary for Agressive SnoX racing and is not really necessary for anything else.

Much more important is the proper bearing in the bottom of the chaincase. When you pull your case apart look at the lower bearing, if you can see the roller balls of the bearing in a cage your have the correct bearing. Look at this picture, IQ Chaincase The upper bearing is stock and the lower bearing is the "Self Alligning Bearing" This bearing will save your chaincase from sure distruction even if you are just trail riding the sled.

The Polaris Part # for the bearing is 3514462 (Bearing-205 Self Aligning).
bgblock
QUOTE(AkIQPilot @ Dec 12 2006, 02:26 PM) *
The stock slip gear is 45 tooth and that is about the only toothed slip gear available at this time. Any Polaris HYVO gear will work. The slip gear is only necesary for Agressive SnoX racing and is not really necessary for anything else.

Much more important is the proper bearing in the bottom of the chaincase. When you pull your case apart look at the lower bearing, if you can see the roller balls of the bearing in a cage your have the correct bearing. Look at this picture, IQ Chaincase The upper bearing is stock and the lower bearing is the "Self Alligning Bearing" This bearing will save your chaincase from sure distruction even if you are just trail riding the sled.

The Polaris Part # for the bearing is 3514462 (Bearing-205 Self Aligning).

Thanks tom that was the info i was lookin for .
what application for the gears i am going to try the 21 /43 combo
with the stock 76 pitch chain. sound ok .
I knew the bearing was wrong when i went to dealer for the chain case seal and bearings
but they wanted to argue about it . so i will change it
thanks again your info is much appreciated
bgblock
tage81
QUOTE(AkIQPilot @ Dec 12 2006, 08:26 PM) *
The stock slip gear is 45 tooth and that is about the only toothed slip gear available at this time. Any Polaris HYVO gear will work. The slip gear is only necesary for Agressive SnoX racing and is not really necessary for anything else.

Much more important is the proper bearing in the bottom of the chaincase. When you pull your case apart look at the lower bearing, if you can see the roller balls of the bearing in a cage your have the correct bearing. Look at this picture, IQ Chaincase The upper bearing is stock and the lower bearing is the "Self Alligning Bearing" This bearing will save your chaincase from sure distruction even if you are just trail riding the sled.

The Polaris Part # for the bearing is 3514462 (Bearing-205 Self Aligning).


can this bearing be used in a Pro X chaincase? excuse me for hijacking this thread, i just want to know if this is something to upgrade on the pro X/XR?
AkIQPilot
The "Self Alligning Bearing" isn't really needed in the ProX chaincases because most ProX sleds have either 3 or 4 drivers on the drive axle to support the load on the axle. On the '06 and newer Race sleds there are just the 2 extrovert drivers on the axle. As the drivetrain is loaded (like landing from a jump or hard acceleration) the drive axle flexes and this flex is transferred to the lower chaincase bearing. When the bearing twists in the case the snapring goes POP and it takes out the snapring groove. Then all heck breaks loose inside the chaincase. The snapring groove starts to crack at about the 7 o'clock position on the case.

But, in 2004, this bearing was recommended for the 440 ProXr and the Mod sled if you were having problems with blowing the snapring groove out of the chaincase. So the bearing isn't a bad idea for any sled and may prevent chaincase problems in the future.

It is incredable how much the drive axle flexes under a load.
jdesign
popc1.gif
bgblock
Ok so im going to give the 22/43 combo a try.
so i come up with a part # 3221168 for the top gear
from ak site but ill be dammed if i can find the bottom gear in the 7/8 wide gear .
a part # would be great or an application.
thanks bgblock
AkIQPilot
Bottom gears don't come in 7/8" wide just 3/4".

This is normal, just buy the 3/4" wide gear of your choice.
bgblock
QUOTE(AkIQPilot @ Dec 13 2006, 02:44 PM) *
Bottom gears don't come in 7/8" wide just 3/4".

This is normal, just buy the 3/4" wide gear of your choice.


Ok didnt know you could run mix and match .
So let me get this straight run 7/8 top gear with 7/8 chain and 3/4 bottom gear ?
bgblock
02800x
So let me get this straight run 7/8 top gear with 7/8 chain and 3/4 bottom gear ?



That is correct!!
bgblock
okee doke thanks guys
just didnt seem rite
and nobody knows anything in these parts!
bgblock
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