Suspension questions on my RX1 - Snowmobile Forum: Your #1 Snowmobile Forum
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post #1 of 8 (permalink) Old 10-21-2010, 12:25 AM Thread Starter
jcurrieta
 
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Suspension questions on my RX1

Just got a rx1 and noticed when I sit another person on the jack seat it dottoms out the rear suspension very easy, just sitting in the garage...
(obviously theres no snow to test right now),,,
but is there any free changes i can make to harden it up?? or is it just not good for the rear at all to use a jack seat.
I was also wondering because when im on alone i like to hit a few jumps and keep the suspension as hard as possiable... but ive never drove a 4stroke before and know these are heavy,, do any of you rx1 owners get good air without wrecking the suspension?


'06 Yamaha Apex RTX
'03 Yamaha RX1 "sold"
'98 Arctic Cat 600 ZR "sold"
'03 Ski-doo 600 MXZ REV "sold"
'91 Polaris Indy 500 "sold"
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post #2 of 8 (permalink) Old 10-30-2010, 05:20 PM Thread Starter
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anyone??


'06 Yamaha Apex RTX
'03 Yamaha RX1 "sold"
'98 Arctic Cat 600 ZR "sold"
'03 Ski-doo 600 MXZ REV "sold"
'91 Polaris Indy 500 "sold"
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post #3 of 8 (permalink) Old 10-30-2010, 05:36 PM
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Is the track sitting flat on the ground or on a dolly?

Snow: The other white drug!
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post #4 of 8 (permalink) Old 10-30-2010, 06:09 PM
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depending on what year rx1, shock preload is adjustable. check and see what setting their at now. also the fra is adjustable as well. see where its at. was the sled delivered as a two-up, or was the jack seat added with no suspension upgrades?
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post #5 of 8 (permalink) Old 11-24-2010, 06:01 PM Thread Starter
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the sled is an 03... and yes it looks that the sled has an aftermarket jack seat and is a single seater sled, as for upgrades to suspension i wouldnt know i bought it like this, and never seen a stock suspension on a yamaha rx1 to compare....Where is the shock adjustable?? and whats the FRA? heres a quick pic i already had,,, not sure if you can see well enough.

As for the sled sitting on dollys or whatever what does that matter?? it might of been on dollys but not sure.. if not on the floor when tested. But its normally jacked in the air, off everything.



'06 Yamaha Apex RTX
'03 Yamaha RX1 "sold"
'98 Arctic Cat 600 ZR "sold"
'03 Ski-doo 600 MXZ REV "sold"
'91 Polaris Indy 500 "sold"
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post #6 of 8 (permalink) Old 11-27-2010, 03:33 PM
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you cant test the suspension unless its flat on the floor, no dollies. as for the fra, in the middle of the skid you will see a long goldish bar, actually 2, one on each side of the shock. at the front of this bar its attached to the "full rate adjuster"(fra). the fra has an a,b,and c slot. c is the hardest, a being the softest setting. loosen the bolt or nuts and move to the desired setting. the shock next to the fra will either have a threaded aluminum body or a black steel body with a cam adjustment. figure out which shock you have. the cam adjust will have seven indentations. the indentation closest to the spring is softest, the one furthest from the spring is hardest for the shock preload. obviously you can stop anywhere inbetween to find a setting you like. if the shocks are aluminum threaded, there are to locknuts on the shock and by tightening these, the preload is increased(stiffer). shock adjuster tools are handy for this but you can animal it with a screwdriver and a hammer. if you have the cam adjust, you can animal that with some channelocks. make a note of your starting point and make one adjustment at a time until you get it where you want it. the shock at the front of the skid is adjustable as well. all the parts work together, including the front ski shocks. problem i see is that if you have springs for a single rider and add a passenger, the springs wont suffice. stiffer springs are available but may create a harsh ride when solo. cant have the best of both worlds without getting into multi-rate springs and shocks with adjustable dampening. hope this helps. let me know if you have more questions.
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post #7 of 8 (permalink) Old 11-27-2010, 03:45 PM Thread Starter
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yah so i looked at the setting,,, the larger spring is set to the hardest rate... and the other spring is tighten up pretty tight and looks like the front style coil over system. So i guess there is no more adjustment,,, the spring looks pretty hefty,,, but i bet its the singe person one. anyhow thanks for ur advice. i will try the 2 person load again but on the floor for sure next time. thanks.


'06 Yamaha Apex RTX
'03 Yamaha RX1 "sold"
'98 Arctic Cat 600 ZR "sold"
'03 Ski-doo 600 MXZ REV "sold"
'91 Polaris Indy 500 "sold"
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post #8 of 8 (permalink) Old 11-27-2010, 06:07 PM
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yamaha springs are fat and heavy whether for a single rider or a 2-up sled. heavier springs are available.
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