Build of a $600 SR Viper

[Katannilik1]

Motor is on the bench, checked the one way bearing all seems good. So I bench tested the starter and nothing, no turn. I know the previous owner had the starter off and was trying to figure it out why it would not turn the motor over, and he pulled the starter apart checking things, he asked me once what the reason would be why the starter turns in the wrong direction, umm you screwed up I guess was the answer. So I opened the starter up and everything seems fine, while cleaning the starter I got to thinking maybe he put the armature in the wrong way in the case, I wonder if having the magnets in a reverse orientation, if this would affect the turning direction of the starter? IDK. Anyways I cleaned the starter of all the garbage and reassembled it and bench tested it again and it spun right up. Perfect, so I have a starter that turns, a one way bearing that is good and a spare one way bearing and gear for when this one goes. Silly me I assumed right off the bat it was the one way that was the problem. oh well at least I don't have to wait the 2 weeks for parts to get here when this one goes.

I am now wondering is it possible someone could be so lame brained as to not realize you need a positive cable running from the solenoid to the starter in order for the starter to turn????

As I mentioned earlier this is missing from the machine??

all apart


everything seems good, one way functions properly with no free spin spots and no gouging on the gear either. Time to clean it all and reassemble.

 

[Katannilik1]

anyone have a good homebrew recipe for cleaning the magnesium cases of the motor. There is quite a bit of corrosion and dirt on this thing.

 

[SXRider7Hundo]

I used a toothbrush, and some dawn dish soap on my magnesium gear case. Get the blue kind. And be patient. Elbow grease is key.

 

[Katannilik1]

Well isn't that absolutely repulsing.
Mix the stank smell of gear oil with the crap that is in there and then you can figure out what I got to deal with
No surprise that this was never serviced

 

[kinger]

Who treats such a new machine like this? I'm dumbfounded at the amount of abuse and the fact that someone had to pay $6-8K for it only to give it away for $600 what the heck! Good luck on the rebuild!

 

[Reaper]

Cool project

 

[Katannilik1]

So I was on the phone with MPI today about their turbo's, sorry I can't remember the rep's name but I believe he said he was the one who designed the 19o hp kit for these machines. Anyway he asked about our fuel here and then expressed concerns about it when I let him know we only get fuel delivered once a year and I was unsure about the octane rating. So that was pretty much the end of the conversation until I figured out what the fuel was. Right after I got off the phone with the rep from MPI I called our co-op to ask about the fuel, which to no surprise they had no idea, but they did give me the phone # to their petroleum products division.

So I call the PPD and go figure their rep didn't even know the rating of the fuel and he had to call me back with the info. So after about an hour I got a phone call and as I kind of figured we get 92 octane fuel delivered here. I had figured it was the high octane due to fuel degradation because of the length of time the fuel sits. So I guess it will be another call back to MPI to get some more info, now that I know what octane fuel we have here. This motor might still be running the ragged edge of blowing up due to stale 92 octane fuel, who knows what it drops down to after 6-8 months of sitting.

This might be a big old X against the whole turbo idea due to the quality of gas available here. I hope it's not! Because there is a couple of Doo and Polaris 800's in town here that I want to put the spank-ins to.

 

[Katannilik1]

Ohhhhhhhh!! do I want that setup.

 

[Katannilik1]

So I have built yet another WALL in my life. Some walls that have been built throughout history have been great some not so much. How do I get wall greatness classification.

THE GREAT WALL OF VIPER

 

[Katannilik1]

Well, well, well, three holes in the ground, is there going to be any more issues. As you can see the lower frame has taken a bend, that is what the stress cracks I noted earlier on the lower a-arm mount are from. Checked genuine Yamaha for the part and it looks like the piece has been changed for most likely the next model year, because now there is a second brace right in the area of where the bending occurs. I think this was a known weak spot on the 14's and was addressed for the following model year run. I wonder if there was a service bulletin regarding this and the dealers were to R.R. this if noticed?

 

[ksiesel]

Kat,

Are you sure they changed that frame member? I did a quick parts search and it looks like they use the same part number on '14-'17 Vipers and even the Sidewinder.

 

[Katannilik1]

Kat,

Are you sure they changed that frame member? I did a quick parts search and it looks like they use the same part number on '14-'17 Vipers and even the Sidewinder.

I am sure they are all the same part # seeing how the front half of the chassis would be the same from model to model and year to year as long as the sleds were built on that chassis. Kind of like 1st gen, 2nd gen, 3rd gen, like you see on cars and trucks. The frames and most running gear are the same but exterior wise there are differences. I think the factory found a weak spot and changed for the next model year run, it would be the only reason to explain why the Yamaha fiche is showing a second brace on that frame member and my chassis has only one. And then all part numbers would be superseded by the new part. I hope that makes sense.

What would be interesting is to find out that if the 2015 or newer Vipers had the new style frame member with a second brace on it. Anyone doing an oil change soon you should be able to tell if there are two members there when you do a filter change.

 

[Katannilik1]

The picture of the fiche I put up doesn't show very well, but if you go to genuineyamahaparts and check out the fiche, zoom in on that frame part and you will see the difference between the frame member on my machine only having one cross member on it and the frame member in the fiche having two cross members on it, and the second cross member ties into exactly where my frame is bent. Oh by the way I called the dealer today seeing if there was a TSB about this, but nothing. No biggy I was just thinking that maybe if there was a TSB on these Yamaha would send out a new part, but, as I said there was none. I am kind of in limbo on running this machine like this. I know it won't make a huge difference, but with the amount of parts I am already replacing why put them all on a bent frame. The logical side of me wants to replace it, but the cheap side of me says its fine and run it. The only problem I have with running it is, I can see clipping a rock with that side ski or coming down hard from jumping and not landing flat and landing on that side ca lapsing this frame and folding the weak spot in. And then I would be back to square one of having a beat down Viper, just one with new parts. So the piece will be replaced. I just wish it was cheaper then $430.

 

[Katannilik1]

Well I done some cleaning and inventory of parts required to repair my viper to be ride able.

Frame Under 1 8JP-F196A-00-00 $432.11
Frame Under 2 8JP-F114G-00-00 $9.56
Panel Under 8JP-F2863-00-00 $12.75
Cover Under 8JP-F196E-00-00 $27.14
Reinforcement Frame 3 SMA-8JPST-00-00 $56.41
Protector Chain 8JP-F2147-00-00 $5.60
Shaft 1 8JP-G7465-00-00 $51.14
Damper 1 8JP-G7456-00-00 $4.49
Washer 8JP-G7359-00-00 $2.70
Hood 3 8JP-F197H-00-00 $113.57
hood 4 8JP-F198H-00-00 $174.41
Plate 1 8JP-K8181-00-00 $59.21
Seal EXT 1 8JP-G1138-00-00 $9.51
Patch 2 8JP-F1962-00-00 $17.53
-------------------------------------------------------------------------------------------
TOTAL $983.32
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PREVIOUS TOTAL $1780.00
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GRAND TOTAL $2763.32

Not bad for a 14 Viper

After all this it will be time for the speed parts, those will included most likely a CRRacing hood, Turbo, clutch and what ever else is needed.

Good thing I had a good Tax return this year Plus the Credit Card is going to get smacked pretty good.

 

[sxr70001]

You might want to look up Barn of Parts here on the site. He might be able to fix you up with some good used parts cheaper.