Suspension on FX

[pat the rat]

couldnt find them on this site neither yamaha usa but i did see them on www.yamahamotor.ca they retail for $65ca

 

[Srxspec]

Rode 107 miles of all ditch riding last weekend. I'm 165-170 lbs with gear on. You could run 80-85 on speedo in the flats of the ditches and tap the brakes just before going over road approaches and the sled just flat out rocked! I bottomed out twice, but otherwise the sled handled and "launched" great. This was all stock settings on both front and rear skid.

 

[phazerfly]

The rear susp. is way to soft for really aggressive riding. I've been looking for heavier springs, but now I think it might get different shocks. Unfortunately my rear skid is broke now, were the front and rear shock couple together broke off. And so the warranty trips start. sled has 1500kms.

 

[Racer269]

Rear skid

Well I just ran my phazer on the track Friday at the WPSA Ironwood race. This is what I have done so far. Goodwin clutch kit, Stud-boy 9" shapers, and all shocks re-valved for my weight and sno-X. Oh, and the ani-roll bar removed. Lets just say as of right now the front siccors on the rear skid is way too soft. It bottoms easy comming into a jump. MCR is making me some springs (stiffer) so we will go from there. Other than that, before the track got soft. I was able to do the double and keep up with traffic, but once it got soft, all it would do is spin. I think the stock 1" track is totally crap. The only time it is any good is on a hard packed groomed trail. The 9" shapers made a big difference in steering. For those of you that are complaing, get rid of the stock round bars with the little 4" carbide. I free-ride track and C+A's would be nice, but not leagle in the class I am running. I put 120 miles on mine in the trails, and it was suprisenly fun. Probably going to goto the GT gearing for trail riding. This thing likes to be lugged for straight arm acceleration. It crusised comfortably at 75, but you could push it to 85.

 

[frees-tyler]

Yeah...some new wear bars or the C&A's will help with the steering. It's to bad none of the shock shops had a plug and play snowcross kit for the phazer, so it looks like we're the guinea pigs How did the revalve job work for the front end? I already bent my frame tubing where the frame tubing meets shock mount. This was done just trail riding, no jumping. I'm not sure what caused it but I wasn't to pumped about it to say the least. On the sport atv's they have a cross member that joins the frame upper shock mounts giving it tons of support.

 

[Racer269]

tell you the truth..I could not tell you..Never rode it stock. I will keep a eye on the mounts.

 

[mlloyd]

how,s the weight transfer on the fx.my gt transfers like crazy

The FX has alot of transfer. In a little drag racing and my feet at the back of the boards the skis dangle about 2 feet in the air till about 45 mph. Gave my buddy on his Rev 800 alittle scare as it was side by side till this point.

 

[browndogg]

couldnt find them on this site neither yamaha usa but i did see them on www.yamahamotor.ca they retail for $65ca

The dealer has the kit in stock but there is no instructions on how and where to install them and they did not know.Any info would be appreciated.Thanks..

 

[Reaper]

Three holes on the rails to install gives you three positions of progressive stiffness. When the suspension collapses the bar contacts the rubber puck and increases the spring rate.

 

[MrSled]

is that like the anti bottom kit on the Vectors?

 

[pat the rat]

i think its the same ones,they look identical

 

[ptrudel]

same kit

 

[Reaper]

Just put on a 1.5" freerider track, the sled looks proper now. Giddy-Up !

 

[minks_698]

I have a couple of theories on FX suspension. First of all, the ride will feel more bouncy because the small, narrow, unbroken-in seat isn't nearly as compliant as the couch on any other sled you compare it to. (RX-1, Apex, SX, etc) My SX-R seat and riser with almost 12,000 miles feels way better by comparison by itself.
Back to rear suspension, the FX's front torque arm is a rising rate design, and for anybody over 140 lbs in my opinion, setting the spring SOFT will give you a harsher ride. WHY? Because there is so much static sag in the skid (especially with an adults weight) that the machine is sitting deeper into its travel where it is much harsher. Try setting the spring stiffer for your weight, if your over 200 I would recommend HARD. Then soften the clickers for a less harsh ride from there. So by setting it up stiffer, the machine will ride in its more compliant range of travel, at the top of its stroke.
The torsion springs on a GT are also much softer factory (2.5 vs 2.1 I think) It does not take the bumps like a monoshock suspension, the FX was meant to be pushed!

 

[Reaper]

Very interesting, I will try that !