I took your advice on the Hyvo Chain on my KK

m_beeson · Feb 11, 2009

I had been reading posts on King Cats snapping their chains, so instead of waiting for it to happen; I took my fellow SnowWesters advice.

I installed a Hyvo chain and geared it down.

Went with 20 - 46, and a 74 link chain.

That SOB comes out of the hole like a raped ape. Raced a stock M8 and jumped out 4 sled lengths ahead of him. We were both very impressed.

From a rolling start he was slowly pulling away from me. I'm sure once we hit 70 he would have walked away.

Very Impressive mod. Thanks for the advise...

theultrarider · Feb 11, 2009

Good to hear. The time for you to really thank us is about 3 years from now when it is still all in one piece. Without the hyvo, you would surely take out atleast 2 more chains by them!! Problem with this kind off "mod" is that it is no performance gain, just a longevitey thing and you tend to for get that you even did it!

76FOMOCO · Feb 12, 2009

defiantly worth the piece of mind. after the first chain i couldn't bring myself to put the stocker back on.

scotth · Feb 17, 2009

Where did you order the Hyvo setup from? edit: I saw that in another thread

How are you/others liking the 20:46 Hyvo setup?

Skinner · Feb 17, 2009

I didn’t get the hyvo gears. But I put the 20/46 gears in my old 900 a few years back and loved them. Great gear combo.

mp_2009 · Feb 25, 2009

where to shop

Hey i was wondering where u got thie gears and the chain and how much it will run me?

1Mike900 · Feb 25, 2009

Look at western power sports, they are listed under 3/4 wide gears which is a 13 wide chain. The bottom gear is the same as a Polaris, the upper is a AC specific 13 spline piece. The lower gear will come with a bronze washer that you don't use. Roughly 175.00+ which is an insurance policy because if the old one breaks it will most likely gather up at the bottom and break the chaincase.

Mike

RACINSTATION · Feb 25, 2009

The Hyvo is a good setup, but just going to a 20 tooth top sprocket will solve the chain breakage for most guys. 20/43 w 72pitch chain is good. HYVO is better.

John · Feb 25, 2009

RACINSTATION said:
The Hyvo is a good setup, but just going to a 20 tooth top sprocket will solve the chain breakage for most guys. 20/43 w 72pitch chain is good. HYVO is better.

This is what I did with good results so far.

KMMAC · Feb 26, 2009

20/43 is too high geared....

m_beeson · Feb 26, 2009

Sorry guys I thought this thread was deep 6'd

scotth said:
Where did you order the Hyvo setup from? edit: I saw that in another thread

How are you/others liking the 20:46 Hyvo setup?

I ordered them throught https://blairps.com/index.php The lower sprocket was on back order and took a while to get in, but they finally got the parts in, and they were the right parts.

Price: I'd have to get back to you on that specifically, but I can tell you this; It wasn't cheap.

Gears are great for boondocking and climbing, but I'm not breaking any speed records. If you want to go fast, then the 20 / 46 is not for you. I'd say my top speed is around 70 MPH.

m_beeson · Feb 26, 2009

Here ya go.

One thing I might note is when I went to put the lower sprocket on, I thought they gave me the wrong part for a second because it didn't just slide right on. I took a second and patiently lined it up, and it went on smoothly.

Rixster · Feb 26, 2009

Did you see an increase in track speeds when climbing in powder? I would guess that gearing down like that would be more efficient on the clutches and you would possibly see an increase in track speeds.

mp_2009 · Feb 26, 2009

speed

70 mph sounds pretty good do u ever need to go any faster or does that work pretty good for ur riding?

m_beeson · Feb 26, 2009

Track Speed:

The Previous Owner put a 49° helix, so it tended to shift up and down while climbing. I geared it down, and tightened the driven spring. It holds a pretty good track speed. As I noted previously; It jumps out of the hole and keeps pulling.

Top end:

I don't see a need to break any land speed records so it works perfect for me.

The reason that I committed to changing the chain and sprockets is that I didn't want to end up with a broken chain, in an area where I would need brakes. It was just a preventative maintenence measure, but I decided to gear it down after reading the previous posts on the topic.

I am very happy with the performance.

76FOMOCO · Feb 26, 2009

put a 51 helix in it way better than the 49.

m_beeson · Feb 27, 2009

76FOMOCO said:
put a 51 helix in it way better than the 49.

I noticed most went with the 51, and a couple went with the 49. I think I'll be running the 51 by next year, I'll change it when I do a complete clutch service this summer.

Fomoco
Got the rail in, and the shock rebuilt. The rear suspension feels good. I just need to take it out and test it now.
After talking to my brother (he deals with fox a lot on down hill mountain bikes) I deduced that the shock must have a positive, and a negative pressure side to it. The positive side must have had air in it, which created the negative side to effectively over-ride the positive side, and over-ride the spring tension, which allowed it to tank out to the ground.

Wierd ****. Hope I don't have that prob again.

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I took your advice on the Hyvo Chain on my KK

m_beeson

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theultrarider

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76FOMOCO

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