680 Ultra SLP triple pipe carb tuning help

[4pawdriven]

My buddy just got some slp triple pipes for his 97 RMK 680 ultra. The technical information calls for SLP 14-02 Needles, 25 pilot jets and 247-P4 jets.

Apparently the needles are no longer available and I would guess the same for the rest of the jetting parts. Are these proprietary slp parts, is there a good mikuni equivalent. Or does anybody have the slp parts and willing to sell them. We ride 8000-11000 ft. Appreciate any 680 triple tuning insight.

Thanks

 

[theultrarider]

The needles were made by slp. The other parts are mikuni parts that you can order from anyone. The needles however are what made these sleds run! Slp made both a high elevation needle (3000+) and a low elevation needle. (-3000). I ride from 0-6000. Mostly 1-3000. Mine ran like a dog with the low elev needles although it was much better than the stock needles. With the high elev needles, the thing was a ripper. Same with all the others in my area that had them. I no longer have any high elev needles around here but may have some low ones. Have you guys called slp if you can get them? I bet they can help you out, or reccomend a mikuni needle that would put you in the ballpark. They ran the stock nozzle, and yes, the pilot jet is a must also. I think I was down to 15's on mine to clean up the bottom end. That is where they were pig fat. Good luck. That was a great motor. They made good power and ran well.

 

[chadkrump]

I also just got a set of SLP trips for an ultra motor, and the set up they told me is a bit different. I also ride 1000-3000' thou...

they told me that I needed new needles, which they do not make, but they did send me all the specs to get them made, so I think I am going to go that route.

I was told to leave the pilots jets as 30's. PTO and MAG main jets are 390's and the MID main jet is gonna be a 370.

I also had to change my primary spring and weights, went to a blue spring and 10-AL weights.

for the secondary clutch I also changed the spring to a blue spring, and had to order a 42-34 SLP helix from them.

I dont know how close this is to the sled running right yet, havent been able to really start tuning it yet, since we do not have snow... but I figure its a baseline to start from.

My suggestion would be to call SLP and they can help you out, just ask them a setup for you with Polaris part numbers instead of SLP numbers, thats what I did.

If u need me to send u those specs for the needles via email hit me back or PM me...

Good Luck!

CK

 

[4pawdriven]

SLP customer service

We email SLP they do not make the part or have any left. However they did recomend a mikuni needle 6FL14 in place of the slp 14-102. Hope they are close. I am excited to see this triple rip.

Thanks for the reply fellas. Love the wealth of experiance on this forum