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300km ride today. Clutching review

yamaha06 said:
What’s everyone running there dalton b/o at? I have been running the recommended 6 and 2. Been switching between 240 and 270 tune and clutch temps are very cool. Also running the 1.6” ice cobra track so not gripping like a studded track.
Click to expand...

Every sled is different, many running that setup with the 270 tunes would have hot clutches and belt issues, others don’t. I attribute this to alignment differences mostly.
If what your using isn’t working your gonna need to make changes. Guys who are blowing belts at higher speeds need more secondary spring. Others who have hotter clutches when switching to the 58mm offset or if your sled didn’t blow belts before the 58mm alignment tool, your probably fine with the softer secondary spring combos. M2C
 

yamaha06 said:
What’s everyone running there dalton b/o at? I have been running the recommended 6 and 2. Been switching between 240 and 270 tune and clutch temps are very cool. Also running the 1.6” ice cobra track so not gripping like a studded track.
Click to expand...
Just because someone else is doing it doesn’t mean it will work for you. You need to actually do a little testing to see where you get the best performance from your machine.
If your clutches are cool and rpm’s are good there’s no need to ask this question.
 
yamaha06 said:
What’s everyone running there dalton b/o at? I have been running the recommended 6 and 2. Been switching between 240 and 270 tune and clutch temps are very cool. Also running the 1.6” ice cobra track so not gripping like a studded track.
Click to expand...

Few things first....

-Is yours the NEW Updated b/o?
-Did you lower your offset to 57-58mm using the Hurricane bar?
-Belt choice?

Assuming you have new b/o, Dale likes these set to 6/2(80). I ran mine here with COLDEST clutching overall I have seen to date on my sled TRAIL RIDING HARD. 270r tune.

I am always testing, and always wanting more engine braking for our tight trail system, so I went up 10 more degrees to 6/3. It was even better for my liking corner to corner, and only a tad warmer. I then tried 9/1 with b/o and then began to see a fair amount of heat. I did like the feel corner to corner best, but lakes brought on heat.

This is mostly all hard trail testing, and some long lake runs but not WOT. All with Ultimax.

Mike has found on the big end, WOT slippage with his setup and moved away from the b/o for more Backpressure. He also runs a big 290 tune much of the time.

We all need to be careful here to be specific about our setups, where we ride, and how we ride. What works for Mike likely will be different for many of us just trail riding.

Having Mike do so much great testing, is a win win for everyone here and I like to see how mine reacts/performs with similar setups to compare with Mike.

I tested the White at 9/1 and found it to nearly burn my hand at touch to secondary. So for me that is way too hot, I like the white with less coils and thinner coil though, so I lowered it to 6/3 and ran it all last weekend and found it to be still rather warm but acceptable. Ill run this another weekend here to get more miles on this.

As Mike has mentioned, I think the b/o is a good spring overall for the majority of trail riders....its got alot more side pressure then the STOCK spring(17/18), and even more then the stock '19 pink spring, so its helping over stock setup. Should work well from stock HP to 240 for sure, and even 270 if wound abit more, especially if you are running longer hauls WOT in deeper snow where the slippage Mike talks about seems to occur.

Dan
 
ROCKERDAN said:
Few things first....

-Is yours the NEW Updated b/o?
-Did you lower your offset to 57-58mm using the Hurricane bar?
-Belt choice?

Assuming you have new b/o, Dale likes these set to 6/2(80). I ran mine here with COLDEST clutching overall I have seen to date on my sled TRAIL RIDING HARD. 270r tune.

I am always testing, and always wanting more engine braking for our tight trail system, so I went up 10 more degrees to 6/3. It was even better for my liking corner to corner, and only a tad warmer. I then tried 9/1 with b/o and then began to see a fair amount of heat. I did like the feel corner to corner best, but lakes brought on heat.

This is mostly all hard trail testing, and some long lake runs but not WOT. All with Ultimax.

Mike has found on the big end, WOT slippage with his setup and moved away from the b/o for more Backpressure. He also runs a big 290 tune much of the time.

We all need to be careful here to be specific about our setups, where we ride, and how we ride. What works for Mike likely will be different for many of us just trail riding.

Having Mike do so much great testing, is a win win for everyone here and I like to see how mine reacts/performs with similar setups to compare with Mike.

I tested the White at 9/1 and found it to nearly burn my hand at touch to secondary. So for me that is way too hot, I like the white with less coils and thinner coil though, so I lowered it to 6/3 and ran it all last weekend and found it to be still rather warm but acceptable. Ill run this another weekend here to get more miles on this.

As Mike has mentioned, I think the b/o is a good spring overall for the majority of trail riders....its got alot more side pressure then the STOCK spring(17/18), and even more then the stock '19 pink spring, so its helping over stock setup. Should work well from stock HP to 240 for sure, and even 270 if wound abit more, especially if you are running longer hauls WOT in deeper snow where the slippage Mike talks about seems to occur.

Dan
Click to expand...
Dan is your helix a 37/35 like I saw in one of your pics? That one you run with cats white at 90 degrees.
 
I got 350 miles on an 8dn before it blew with a cat green spring wrapped both 0,1 and 9,1

Clutches very hot.

Maybe try epi purple now?

I am at a loss for words. My ‘17 winder had 3800 miles on it before my crash. Blew only 1 belt. 1500 miles on my SRX and I’m down 3 belts already. This is getting old!!
 
PowderFalcon said:
I got 350 miles on an 8dn before it blew with a cat green spring wrapped both 0,1 and 9,1

Clutches very hot.

Maybe try epi purple now?

I am at a loss for words. My ‘17 winder had 3800 miles on it before my crash. Blew only 1 belt. 1500 miles on my SRX and I’m down 3 belts already. This is getting old!!
Click to expand...
Wow,sorry to hear that Brent.
 
PowderFalcon said:
I got 350 miles on an 8dn before it blew with a cat green spring wrapped both 0,1 and 9,1

Clutches very hot.

Maybe try epi purple now?

I am at a loss for words. My ‘17 winder had 3800 miles on it before my crash. Blew only 1 belt. 1500 miles on my SRX and I’m down 3 belts already. This is getting old!!
Click to expand...
What is your primary set up and what tune?
 
PowderFalcon said:
I got 350 miles on an 8dn before it blew with a cat green spring wrapped both 0,1 and 9,1

Clutches very hot.

Maybe try epi purple now?

I am at a loss for words. My ‘17 winder had 3800 miles on it before my crash. Blew only 1 belt. 1500 miles on my SRX and I’m down 3 belts already. This is getting old!!
Click to expand...
Do you have any extra vents in front?
 
Best setting I have found for me to date is the 37 with EPI Purple at 0-1. Any less wrap and it is lazier and rpm drop on hard acceleration. Cat green seem a bit too much spring for me and I would need less twist so it would be lazier and would have too much compression on top end. Will have to test the Black/Tan again at differents twist.
 
1049triple said:
Best setting I have found for me to date is the 37 with EPI Purple at 0-1. Any less wrap and it is lazier and rpm drop on hard acceleration. Cat green seem a bit too much spring for me and I would need less twist so it would be lazier and would have too much compression on top end. Will have to test the Black/Tan again at differents twist.
Click to expand...

Cat green and EPI purple are the same spring, the tangs are slightly different, if you wrap the green less it will have the same shift as the epi
 
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