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AXYS 600 clutching advice

Burr600xc

Burr600xc

Member
Messages
66
Age
57
Location
Oil city,MI
Country
USA
Years Snowmobiling
35
Snowmobile
2017 xcr 600
I have a 2017 XCR 600 has anyone tried a different helix on a 600 in AXYS sleds for trail riding. The stock helix is a 48/42.36 was thinking of trying a 52/42.46 with the stock secondary spring. which the stock secondary spring is (black/purple 160-260). Seems strange it uses a higher secondary spring than the 800 sleds (black spring 155/222) . Gearing is stock 22-41
 
Polaris probably uses that stiff secondary spring cause it's gear ratio is a 1.86 and a shallow helix from factory? (Keep the belt from sucking down with spring pressure cause of shallow helix and 1.86 ratio)


A 44 or 42 finish angle is good.

I'm thinking a 46/42 fp would work nice and a 62/42.46 compound for fast trail and loss motor ?
 
Brock said:
Polaris probably uses that stiff secondary spring cause it's gear ratio is a 1.86 and a shallow helix from factory? (Keep the belt from sucking down with spring pressure cause of shallow helix and 1.86 ratio)


A 44 or 42 finish angle is good.

I'm thinking a 46/42 fp would work nice and a 62/42.46 compound for fast trail and loss motor ?
Click to expand...

That 62/42.46 helix angle is what i used to run in my 600 edge sled I liked it a lot. what is ( loss motor).
Thank you very much for your input Keith B.
 
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I just purchased Gabes clutch kit. I should receive it this week.

I'll update this post after I install it and try it out.
 
TieRod said:
I just purchased Gabes clutch kit. I should receive it this week.

I'll update this post after I install it and try it out.
Click to expand...

Ive heard good things on his clutch kit. I just like knowing what I'm running for a helix. I would like to here your opinion on it.
 
Burr600xc said:
I have a 2017 XCR 600 has anyone tried a different helix on a 600 in AXYS sleds for trail riding. The stock helix is a 48/42.36 was thinking of trying a 52/42.46 with the stock secondary spring. which the stock secondary spring is (black/purple 160-260). Seems strange it uses a higher secondary spring than the 800 sleds (black spring 155/222) . Gearing is stock 22-41
Click to expand...
Not going to see much, if any difference between a 48/42 .36 and 52/42.46. Slightly more aggressive in the bottom part of the shift.
Stock secondary black/purple is 160-240 , which in my opinion is too stiff for the helix they use. The stock spring would probably be better with a full progressive or something like 58-44 .46. Cheapest change would be swap for a softer secondary spring( 140-220,155-222 or maybe a 140-200) and use the stock helix. Will be trying run some break in miles on mine today(brand new 15 600 pro-s) , don't think much difference between our sleds (basically identical as far as clutching , gearing and engine). I trying a 140-200 today(stock helix) and will be switching back to a 140-220 or possibly stock spring with a new custom progressive helix when in comes in Tuesday.

Friend also bought new left over 16 pro-s 600 and has his is past the break in ( about 450 miles). He is seeing 8350rpm on eth setting, and 8450-8500 on 91 non-eth setting(bone stock). Which is at least 200 too much. Haven't seen a dyno sheet on these newer 600 engines yet, but my 06 fuse 600 ho ran best when clutched to run 8150 and creep up to 8200-8250 on a long run.
 
TINMAN said:
Not going to see much, if any difference between a 48/42 .36 and 52/42.46. Slightly more aggressive in the bottom part of the shift.
Stock secondary black/purple is 160-240 , which in my opinion is too stiff for the helix they use. The stock spring would probably be better with a full progressive or something like 58-44 .46. Cheapest change would be swap for a softer secondary spring( 140-220,155-222 or maybe a 140-200) and use the stock helix. Will be trying run some break in miles on mine today(brand new 15 600 pro-s) , don't think much difference between our sleds (basically identical as far as clutching , gearing and engine). I trying a 140-200 today(stock helix) and will be switching back to a 140-220 or possibly stock spring with a new custom progressive helix when in comes in Tuesday.

Friend also bought new left over 16 pro-s 600 and has his is past the break in ( about 450 miles). He is seeing 8350rpm on eth setting, and 8450-8500 on 91 non-eth setting(bone stock). Which is at least 200 too much. Haven't seen a dyno sheet on these newer 600 engines yet, but my 06 fuse 600 ho ran best when clutched to run 8150 and creep up to 8200-8250 on a long run.
Click to expand...

Please keep us updated on the different springs you try . I think I'm leaning on trying a helix something in the 58- 62 start range with the stock secondary spring. Our sleds the clutching is the same I got about 350 miles on mine so far seeing 8300 rpm in ethanol mode running 87 ethanol gas. all our gas in Michigan has ethanol in it except for rec. fuel witch is only 90 octane witch Polaris says 91 min octane in non ethanol mode. I think I read makes most HP at 8200 rpm but I could be wrong.
 
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Burr600xc said:
That 62/42.46 helix angle is what i used to run in my 600 edge sled I liked it a lot. what is ( loss motor).
Thank you very much for your input Keith B.
Click to expand...
Not loss motor, load motor . Damn spell check,lol
 
Burr600xc said:
Please keep us updated on the different springs you try . I think I'm leaning on trying a helix something in the 58- 62 start range with the stock secondary spring. Our sleds the clutching is the same I got about 350 miles on mine so far seeing 8300 rpm in ethanol mode running 87 ethanol gas. all our gas in Michigan has ethanol in it except for rec. fuel witch is only 90 octane witch Polaris says 91 min octane in non ethanol mode. I think I read makes most HP at 8200 rpm but I could be wrong.
Click to expand...
I wouldn't waste the money(unless u have it already) on a helix with just more starting angle(58-62) . It will load the motor on the bottom end to about that 20mph area better than the stock 48 starting angle , but your midrange pull on up will be unchanged(still going run too many rpm). I think the stock sec. spring is too stiff with the stock type compound cut helix( even with a 58-62 start). I will probably end up with the stock sec. spring for all around trail riding , but with a much more aggressive full progressive cut helix.(custom angles from a guy with hours of testing). If I stayed with the stock helix, I would be running 140-200 myself. If I were staying with another factory helix with the stock type compound angles , I would buy something with a 44 finish (58-44 .46, 62-44 .46) and possibly use the stock spring.
Ran my sled yesterday and have 4.8 hrs (187 miles, still in break in) , so I still have very limited short wide open bursts. Stock except Gates belt and 140-220 sec .spring (blk green).In eth mode hitting 8250. Give it a couple miles(a little more break in) and switch to 91 non eth and I would be willing to bet 83-8400 wouldn't be a surprise. My target would be for it to run 8050-8150 and climb to 8200 maybe 8250 on long runs. With all this said , I tend to like a more aggressive setup than some. I like to make the motor grunt , and willing to give up a little backshift. More of a trail/drag race setup. My $.02
 
I appreciate your advice. Team makes a 58/42.46-58/44.46 helix I understand what you're saying about the 42 finish angle not going to gain anything there. I think I'm going to try that helix out with the stock spring see how lt runs on the 44 finish angle. If I don't like it. I can change to the 42 side My 600 edge would pull a 44 finish no problem.
 
Think the 44 will work good, and still have the ability to go 42 when u get warm or heavy snow conditions. I think u will end changing the spring to a 140-220(blk/green) or 155-222 (blk/red) with the 44 to get the rpm where u want it. I believe power falls off after 8200-8250 like the older 600s. Good luck.
Food for thought, your 600 edge was geared 1.70(I think), our sleds are 1.86 ratio. 44 should be no problem.
 
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