The motor is all stock with clutching only. The secondary has a hauck roller secondary with a silver spring wrapped presently at 90 degrees with a hauck x helix. The primary has 89a weights with a total of 55 grams weight and a y-w-y spring. No shims.
The sled engages at 3800 and top rpm is 9000. I need to get the engagement up to 4500ish and hold the top rpm at 8500 any ideal what to try next. I'm present unemployed and dont have the funds to buy alot of springs and etc to try.
Should I go back to the stock clutch set up? 8DN's or are the 89a's better. Thanks in advance for any help or guidance.
The sled engages at 3800 and top rpm is 9000. I need to get the engagement up to 4500ish and hold the top rpm at 8500 any ideal what to try next. I'm present unemployed and dont have the funds to buy alot of springs and etc to try.
Should I go back to the stock clutch set up? 8DN's or are the 89a's better. Thanks in advance for any help or guidance.
i am no xpert but i would add shims to brig up engagement and add weight to to the arms to bring down rpm. shims and rivets are fairly cheap
Your gonna need an aftermarket primary spring to get engagement higher . Also getting a spring with lower total force combined with more primary weight will get rpm,s down. Get a primary spring with a 60 kg preload & 110 kg of total force. That alone would be a good start. 4500 engagement is pretty high for a trail sled.
Would 4000 engagement be better?
For 4000 engagement I would just need to add shims
Is 55 grams alot of weight to run in a Srx?
The Helix is a 52/47 I believe?
For 4000 engagement I would just need to add shims
Is 55 grams alot of weight to run in a Srx?
The Helix is a 52/47 I believe?
Add 3 shims. thats the max before you may have trouble with the spring coil binding. Your gonna need to add more weight to the primary & I gotta know how it is set up right now to help you.
It has 89a with a total weight if 55.3 grams and a y-w-y primary spring
Secondary is 90 degree twist with silver spring and a hauck roller seconday with hauck x helix 52/47
engages at 3800 and runs to 8900-9000 top rpm
midrange is srtrong top end fades hole shot could be alot better.
Secondary is 90 degree twist with silver spring and a hauck roller seconday with hauck x helix 52/47
engages at 3800 and runs to 8900-9000 top rpm
midrange is srtrong top end fades hole shot could be alot better.
I gotta know what size rivets in what holes. Total amount of weights does not tell me enuff. I don,t like running a silver at 90 wrap. Also would be a huge help if you can tell me rpm,s from a dead stop & if they go to 9k right awat or slowly climb. The more info you can give out the better help you will recieve.
I dont know what rivits are in it.
It runs rite to about 8500 then to 9000
It runs rite to about 8500 then to 9000
Back secondary off the 60 & try that. You will then need to add less weight to bring down rpm,s. silver at 60 is a lot of wrap on snow.
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Your saying to back off the wrap on the secondary to 60 degrees and remove weight from arms?
Taking off weight from arms will make it rev higher right?
Taking off weight from arms will make it rev higher right?
I never said to remove weight. I said after you back it off to 60 you will need to add less weight to get rpm,s right. Please read posts carefully.
How to I add less weight ? Without removing weight from the arms?
OZ_872
New member
I believe Turk is saying you will still need to add weight, you just won't need to add as much weight, as you would need to do, if you back the wrap off on secondary spring of current 90 deg to his 60 deg start point.
You will need to add heavier rivets to the clutch weights, just not as heavy of ones, if the wrap on silver spring was left at 90 deg.
You will need to add heavier rivets to the clutch weights, just not as heavy of ones, if the wrap on silver spring was left at 90 deg.
Ok I took the clutch apart and this is what is in it
Arms 89a-10
Center 2.4
Tip 3.6
Primary Spring Y-W-Y
No Shims
Secondary Spring Silver
Wrapped at 90 Degrees
Hauck Helix X (52-47)
Roller Secondary (Hauck)
Engagement is 3900 rpms
Shift is 9000 rpms
Can low gearing change the shift and engagement.
I'm not sure what gearing is in it. I will check that next.
Arms 89a-10
Center 2.4
Tip 3.6
Primary Spring Y-W-Y
No Shims
Secondary Spring Silver
Wrapped at 90 Degrees
Hauck Helix X (52-47)
Roller Secondary (Hauck)
Engagement is 3900 rpms
Shift is 9000 rpms
Can low gearing change the shift and engagement.
I'm not sure what gearing is in it. I will check that next.
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Great info...thats exactly what i need. If you drop the secondary to 60 wrap & tell us rpm,s from start to finish we can have that puppy dead nutz on in no time.
You do realize that the secondary is a Hauck roller right.
Should I use the stock secondary with 47 helix or is the roller with 52-47 helix sufficient?
Should I use the stock secondary with 47 helix or is the roller with 52-47 helix sufficient?
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Use the 52/47. I have used steeper helix,s then that with roller clutches on less secondary wrap.
ok
And thanks for all the help
And thanks for all the help
Hey Turk
This is what I did. I put the secondary at 60 degrees and Left the 89a weights in the primary. I put the stock y-g-y spring in with 3mm shims. I also turned the fuel adjusters out to 2.5 so the idle would come down.
It engages at 4200 and runs to 8500 rpms and climbs to 8700 shortly afterwrds. The low end feels good. Midranges pulls good but top end seems a little dead. This could be because of the over reving.
Needless to say I need 300 less rpm on shift. Should I bring the secondary down to 50 degrees?
I also have 21 38 gearing is this too low?
Thanks
This is what I did. I put the secondary at 60 degrees and Left the 89a weights in the primary. I put the stock y-g-y spring in with 3mm shims. I also turned the fuel adjusters out to 2.5 so the idle would come down.
It engages at 4200 and runs to 8500 rpms and climbs to 8700 shortly afterwrds. The low end feels good. Midranges pulls good but top end seems a little dead. This could be because of the over reving.
Needless to say I need 300 less rpm on shift. Should I bring the secondary down to 50 degrees?
I also have 21 38 gearing is this too low?
Thanks
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