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You made a great choice. I'm another believer in snowtrackers. I have an 07 rtx with pilots ( aggressive trackers) and even though the pilots helped darting compared to the stockers, the trackers made the biggest differance out of any mod. I used to like to switch to my brothers rev for better...

I have a 07 rtx and i raised the seat 1 inch with no problem. I think you could easily go 2 to 3 inches with the stock cover. Before you take it anywhere i would recommend first trying it yourself. Very easy. Just pop staples out everywhere but the very back by the storage area. Theres no need...

a couple things that i hope will help you out with. First, never judge the rtx suspension by a showroom push test. If you go by that you would think that it doesnt move at all. An example, I ride with two revs guys all the time with a lot of seat time on both. 07 and 09 revs.If you push on their...

I have a 07 rtx, and if she rides conservatively i would no doubt go with a gt. Any rtx even with a revalve doesnt eliminate the small trail chatter like the mono. Espectially if she is strickly a sit down type rider.I love my rtx, but you dont get the feeling of a lot of suspension movement...

I got to demo the 11 se,xtx,nytro,nytro xtx over the weekend. We were the first ones there, they werent totally ready but they took a group out anyways.It was the best demo ride ever. We went maybe 15 miles on the lake and trails with no guide in the back, just the lead guy. He went at a pretty...

Number one mod to make is to skis.Just my opinion,but snow-trackers make the biggest improvement on this sled than all other mods combined. Totally takes away darting,unstable, nervous, front end.And are the best carbide for accurate steering out there.Some say too aggressive, but i totally...

If you just stick to groomed trails and lake running the 121 is fine. But i would recommend at least a 136 on any apex. Ive been on my 07 with a 121 since new and will stretch this off season to 136. There just is not enough track under you with all that front end weight from the four stroke...

I cant speak for the semi-aggressive ,but i just installed aggressive trackers on my 07 rtx with pilot skis. After trying many types of carbides i can say without a doubt these are the best remedy for elimimation of darting in almost any conditions.I found they do push in deep snow, but no worse...

I too came off a f7. I loved the cat but the apex is put together so much better its amazing. I would say lack of bite from skis on both sleds was my first priority. I pulled up limiter on both and changed out skis. On my 07 rtx i went with 5.7 pilots. They work well with shaper bars on both...

to adjust front floats out on trail i just find a plowed snowbank and ride up and just over so front hangs off bank. You just have to find the balance point and its easy to get all pressure off shocks.

The 4-strokes are very easy for summerizing. I run sea foam in tank on last ride or put in and run sled enough to to completely warm engine. Basically to get additive through fuel injection system. I like to get fuel level down so you dont have to add so much sea foam to tank to have a full...

Thanks Rockrtx. I see you have 23/38 gears on your rtx. How do you like it and what color spring do you run with.

Could someone tell me what color secondary spring is on an attack (136" track). I'm trying to match an attacks gears and clutch setup when i stretch my 07 rtx to 136. I know now an attack has 23/38 gearing with a 70 L chain. Some people have said 68L chain would work with 23 top gear, but port...

Thanks for the ideas, I'll try them out.

When i go to bottom of posts page it lists pages from 1-3 then jumps to 453-455. Is there any way i can go to a certain page like say page 250 or posts in 07 when my sled came out directly without having to start at 453 and work my way to more current posts pages. I'm a moron when it comes to...

If i go to a 23 tooth from my 22 tooth on my 07 rtx do i have to go to a longer chain or will the stock one fit with bigger gear.Thanks

thanks for the info everyone. Now I'm not sure what size sproket i have on top. I take it if i have a 22 than the attacks had a 23 or 24. If i go up a tooth will my stock chain still be able to be used. I would like to find out before i start tearing into chaincase. Does anyone know whats on rtx...

My summer project is going to be stretching my 07 rtx 121" to 136" with probally a tracks usa kit. A couple questions for guys that have done it. Do you think i should leave stock top gear in or should i go taller like the attacks have. I dont want to loose the hard pull, but also dont want to...

I just had some insurence work done to my 07 rtx and my dealer installed new grips and warmers from yamaha.I had never heard of any kit but he said they have put them on a couple of sleds this year.They work much better than stock.I've ridden twice on trips with the new ones.I'm not sure if...

Anyone? If it would make it easier you could take measurements from back of track to a-arms so you wouldnt need two people. Thanks.