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I had code 25 was very cold out boost tubes full of oil and moisture .
I took it all apart cleaned all the boost tubes boost cesors and lines.
Then vented crankcase to atmostphere and oil tank vented to atmostphere after the check valve .
Pluged of oil tank were it vented to intake. Works...
Yamaha said it was the play was normal . bull #*$&@ so got the dealer to shave a bit of the the rear skid rods that go through the rear linkage .
So there was not so much play left and rite and order all new bushings for the rear shock and sissor. And with the 4 wheel kit and front shock...
It's at least 1/4 INCH up down right and left. where the top of the rear shock mounts that linkage is loose
And where the linkage go's down from there to the rails that linkage is sloppy the shafts that go through the linkage are tight
You can't find the slop when the Track has load...
I think I found out the problem with the track alignment ,track walking all over rubbing on the skid clips wear on drivers.
I put my viper up on the sled lift. with skid up in the air. I went to the back of the tunnel I leaned over the tunnel
Faceing the back of the seat .I reached down...
Thanx some good info .I have never check it in reverse . Got the four wheel kit on and just installed a brand new
Skid shock elka with a heavy spring and I think I'm going to revalve the rear fox float to make it rebound faster
Will no more when it snow's
I bought jt stealth big wheel kit. it's all aluminum real nice looking bigger bearing s and 8.5 in avid wheels all black look s not bad on sled.
Track seems to run a little better won't know how good till snow comes going to order a nice center shock next zbros lm thinking. I...
I have the same sled Mcx190 . my stab kit is fine . But my track wanders all over and my track clips are wearing out my skid .
And heavy steering it's like 80 to 90 %of the weight is on the ski I think all these things are caused by
The center shock . the weak spring dose not keep...
I having the same issues my viper has heavy steering tack walks all over
And skid bottoms out wearing the skid in places. yamaha say there going
To change the parts that are wearing out on the skid ok.
That's not fixing the problem.
My viper is new the tunnel is staight...
If yamaha will not fix what's causing the problems I'm going try zbros shock and spring and four wheel kit
My sled is a 15 viper mtx my ceter shock is coil over the rest are fox floats
And going to check what holes my skid is set at . you are right there's a problem . the skid bottoms out
And the clips where on the skid and the track walks all over wearing the drivers wearing the track
At the rear skid mounts real bad when side Hilling and making the front...
I think the center shock is causing the track to walk all over .cause the shock is #*$&@ it's not keeping the track taut enough
When the skid goes up and down that 110 spring it's all so why the skid bottom s out and to much ski pressure
I'm talking to yamaha about it
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