No hill speed

[Jmx571]

My sled is trenching really bad and I am being pulled up the hills by my Rmk 700 Im running a 151 finger on an 02 summit. I heard it could be suspention but not sure how to set up the doo. It feels like I have no track speed on the hills.

 

[700 turbo]

well running a finger track your not gonna hook up as well as a regular mountain track...but try tighting your limiter straps...if you tighen them that will keep you from trenching as bad!

 

[wasatchrider]

might be your finger track or if its a 07 or newer rmk he will walk all over you more horse power and lighter. stock he would be at 140 your probably at 125 on you 02 800 summit

 

[Jmx571]

it is a 00 136 I still high mark him but he beats me to his high mark and it seems he is floating better. Coming up out of a bowl he launches 3 4 feet in the air I can barely get my ski's off the ground? here is a vid of me coming up a fairly packed trail WOT.



The same hill on the 7 he says it was just a little under WOT

 

[summ8rmk]

I had a finger track at one time too. I could beat alot of sleds down the trail racing, alot of traction on the flats. But I couldn't climb any deep snow, I would get spanked by the same sleds I would beat on the flats.

 

[maxwellzx]

by the looks of that vid..ur sled sounds ok...im sure its the track..136 is shortshort and finger is just the icing on the cake.

i dont know what gearing ur running but with that short track might be able to bump it up a tooth or 2.

oops i read it wrong ii guess your running a 151...so hmm that length should make up for the track


when was the last time you had your clutching looked at? track tension?

need more information..max rpm in full pull on both sleds?

trackspeed in pull pull on both sleds?

 

[Jmx571]

by the looks of that vid..ur sled sounds ok...im sure its the track..136 is shortshort and finger is just the icing on the cake.

i dont know what gearing ur running but with that short track might be able to bump it up a tooth or 2.

oops i read it wrong ii guess your running a 151...so hmm that length should make up for the track


when was the last time you had your clutching looked at? track tension?

need more information..max rpm in full pull on both sleds?

trackspeed in pull pull on both sleds?

About 68K on the RMK my brother thinks said he wasn't WOT. On the doo I'm about 7k. Just bought the summit the guy said he had the clutch done last year I'm going to mark it and head up this week.

 

[skidoo_guy]

Don't know about the older summits but 7k doesn't sound high enough. My guess is your going to want to be running around 8k to 8100 on WOT. If you are only running 7k at WOT then you will probably have to take some weight out of the primary.

 

[summ8rmk]

Your 800 should turn 7,800 rpm. If your turning 7,000 you will see a huge difference in speed and power if you get it up to 7,800. My old 03 800 summit I could tell a big difference from 7,500- 7,800.

 

[Scott]

It's not the track, that's for sure.

In those snow conditions right there, it's REALLY hard to beat a finger track and it WON'T happen with a 2x136 paddle on that RMK 700.

It's clutching, suspension, carburation or heat.

It's NOT the track.

I'd guess it's clutching.

 

[BigRed118]

Check your clickers. About 300 rpm per click adjustment.

 

[snowmanx]

iF YOUR ONLY PULLING 7000 rpm THAT'S YOUR PROBLEM RIGHT THERE. Like said, you have a clutching.

 

[Jmx571]

Clickers not sure what you mean can anyone explain?

 

[sledheadd]

Check to see if the valve for the heated carbs is open. You want to run it closed most times.
I have seen this happen on more than one summit.
This could be your problem.

 

[snowmanx]

Ski-doos primary(TRA) is adjustable and you can increase or decrease the max RPM by changing the ramp angle in them. This is accomplished by rotating a pin from the outside of the clutch. Look on the primary clutcvh(front clutch), and on the outside of the clutch you will see gold pins(looks like bolts), 3 of them. On the head of the pin you will see a line, the line will point to a number on the clutch. The numbers will be 1 through 6, ski doo states that each increase in a number, say 2 to 3, will increase the RPM by 200RPM, and a decrease will in the number will decrease your RPM by 200. Howver, in my experiences, I have only seen a change of about 50-100 RPM.(how about others?). You have to loosen the nut on it, pull it out a bit, and rotate it to the umber you want. 10mm socket on the nut, and 13mm(I think) on the pin(bolt head). Be sure NOT to bull the bolt out all the way, only pull it out far enough to be able to turn it. It has washers on it on the inside, and if you pullit out you'll have to pull th e whole clutch off and apart.

Also make sure that all pins are set to the same number.

If you are down that much, I don't think the simple adjustment is going to help much, it's more for fine tuning. I think you have other issues. Look at your secondary clutch, it probably needs cleaning, maybe new bushings and a new spring.

Hope this helps.

 

[Jmx571]

Thanks snowman Allot of help two pins set to one and on set to three we'll see if that helps tom. also thought my track had been hitting my tunnel but it was the small plastic piece that holds your snow flap up someone re-riv. it back on backwords and it was hitting that. still think i need some clutching done.

 

[polarblu]

in the conditions that are in the video my old RMK 700 144 1-3/4 finger track would eat summits and 800 cats. the doo's hydraulic badly in the tunnel and clutching was a nightmare. Aftermarket drop and roll was the only way to make the doo run consistent. the cat was just a growing pain in the whole chassis which was fixed with the 900.

 

[maxwellzx]

Thanks snowman Allot of help two pins set to one and on set to three we'll see if that helps tom. also thought my track had been hitting my tunnel but it was the small plastic piece that holds your snow flap up someone re-riv. it back on backwords and it was hitting that. still think i need some clutching done.

how long wer they like that?

i would take off your primary and have it inspected and cleaned after that..

uneven roller wear...stress on the arms and rollers/bushings...

uneven ramp wear...main bushing stress..baaddd things that causes

 

[Throttle Junkie]

Did you guys watch the video???? You are not going to touch a finger track in those snow conditions...That is prime finger track snow....BTW I still think the finger track is the best moutain track made to date...unless you ride the dry, dry Montana powder. But even powder with water content the finger track is hard to beat...espcially when there is a base below.

As far as the sled something is wrong with the clutching or the motor is sick....I sounds like to me it turning a bunch of R's and not shifting...motor not loaded (stuck in first gear).

Start simple. Service clutches, if the arms are gummed up the primary won't shift. Clean primary, Clean secondary. How old are the clutch springs? Replace if they are over 2 years old. A little maintaince can go a long way. If that does not do it you can start digging deeper.

Here's a vid of my 159 finger track....man those tracks are horrible http://www.youtube.com/watch?v=Shu8htDQaiQ

 

[IDAHO HOT SHOT]

Ever tried riding POLARIS. JK