has anyone tried clutching or gearing the 06 sb 600ho? and what were your results? thanks

Not yet. Not till after break-in. When my engine warranty is up, my SB will be getting a Struthers 660 kit.

I will have pics to post of the new sled on Sunday.

From what I've been reading, the 600 clutching is pretty damm good from the factory...

The Fuse 6 won't hold 8200 rpm running a almond/red 165/310 with 63.8 gram weights and the stock secondary setup. mines going back stock right now. well almost stock, 62 gram weights and a almond spring

I tried slp'd MTX weights with one rivet in the end and the almond spring, really didnt notice a big differance but i was in loose snow ill try it on the trails tomm and keep you posted. still stock gearing and secondary oh and i have a derlin washer for the primary ( its $2 so i tried it)

Why is everyone expecting the 600HO to pull heavier/more aggresive clutching than what the big block 700 pulls?

The 600 HO is impressive for a 600.....but the torque/hp numbers are what they are.
A well jetted and setup big block 700 ves is loaded pretty heavy for trail use with a 310/64gr primary setup which puts out superior torque/hp than the 600HO.
It also appears that it likes to spin a bit higher around 8200.

Not bashing the 600 HO...there just seems to be awfully high expectations being set for it.

I put on the EPI kit the other day. I have to admit, I think the stock set up is the best. I picked up a little out of the hole but lost it all in the mid range. I am not turning the RPM's I need to. With the stock set up, I was reving consistantly around 8350 at WOT and now I have trouble hitting 8000RPM. I will try it in some better conditions and if that does not work, I will go back to the stock set up again. Polaris was dead on on this sled.

well i put on 200 miles on tug hill this weekend. i have got vforce reeds and a airbox kit and with everything stock my recall said 8450 i put in 63 gram weights and turned 8150 and it felt better but still needes some tuinig but im not going any further until i get my exhaust and my carbs get bored (still waiting on SLP for the exhaust!!!!!)