2013 800 belt drive swap with 2012 600 chain case

[MATCO]

I am planning on swapping a chain case from my 2012 pro 600 to my 2013 pro 800 with turbo.

Seems like its pretty straight forward, change over jack shaft, drive shaft and cases. But there is 2 items that have me wondering. First is the chain case is supposed to be glued on. Is this necessary?

Next, I heard that people are having issues with the speedometer not reading correctly. Is there a fix for this? Like, changing sensors or something?

Any advice would be great! Thanks

 

[MATCO]

It looks like the part number for the speed sensor is the same for the both of them...

 

[mountainhorse]

Yes... glue on the chaincase... and use the Lord 406-19GB or Lord Fusor 109B.

You can get the Fusor at most well stocked auto-body/paint supply stores.... 406.. order it.

The structural adhesive ties the chassis together at that point where there is a big hole in the tunnel... makes the chassis stronger as it ties the whole chassis together... Ask Mike about this (AkSnowrider) he knows a thing or two on the topic.

Speedo Calibration is different, I believe in the gauge... I believe that the dealer can re program the gauge to the standard RMK mode...

The PRO reads the spaces between the holes in the brake rotor near the hub... 24 of them I believe...

Your 2012 with chaicase has a 9 tooth speedo wheel on the PTO end of the driveshaft.

On the Quickdrive 2013 PRO...given the reduction ratio of approx 2.09 (44/21)... you would have approx 50.28 pulses per revolution of the DRIVESHAFT (PPR-DS).

On the chaincase... you have 9 PPR-DS.

Your speedo would be off by about 500% (would read 5 mph on your PRO MFD when you are actually turning 25mph track speed)



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[mountainhorse]

I think you would simply swap the MFD between sleds unless you have the security system.



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[MATCO]

I think you would simply swap the MFD between sleds unless you have the security system.



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I don't think that is an option as the 2013 has the ethanol key as an option in the MFD and the 2012 has a plug under the hood. Thank you for the info on the glue. I will see if the local auto body supply store has it today.

 

[mountainhorse]

Matco.... I forgot about the ethanol feature... Good catch!

 

[yz400ex]

You also need to swap the brake caliper mount between the 2. The 12 uses bigger bolts that will not go through the mount in the 13 QD case.

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[MATCO]

You also need to swap the brake caliper mount between the 2. The 12 uses bigger bolts that will not go through the mount in the 13 QD case.

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Had to swap brake calipers completely since the calipers are flipped and the bleeder is on the bottom. Also had to machine the bulkhead down on the 2012 to get the QD plate to fit.
This job was way more involved than I expected, that adhesive they use is a PITA. but 15 hours later its done. I guess that's the price we pay to have the best sled available.

 

[yz400ex]

Also had to machine the bulkhead down on the 2012 to get the QD plate to fit.

What did you have to machine? I installed the QD on my 12 and didnt machine anything.. Maybe I missed something.. More details on this?

 

[MATCO]

What did you have to machine? I installed the QD on my 12 and didnt machine anything.. Maybe I missed something.. More details on this?

The QD plate will not sit flush against the tunnel and will most likely break under heavy load or jumping. There is a mounting bolt hole on the lower front side that is recessed on the chain case but not on the QD plate. I had to clearance the bulkhead. I will try to post pics but you may be able to see the difference in the parts break down online. You can see where Polaris used the same bulkhead but had to machine a spot down to make the QD plate fit. I just copied what they did.

I would seriously consider pulling yours apart to check it.

 

[MATCO]

 

[yz400ex]

I thought it was fitting odd.. Is it the bottom right? Is the chain case machined down there?? I checked the part #'s for that piece that you machined and they are the same between 11-13..

 

[MATCO]

If you look at the back of the chain case and the QD plate you can see that the cc is recessed around the bolt mount and the QD plate is flat. This is why you need to cut. Down the BH.

It looks like Polaris machines this after the bulkhead is cast. Did you notice how the plate did not want to sit flat against the tunnel?

 

[yz400ex]

That's one reason I took those pics cuz it didn't seem like it fit together right.. how does it fit the 13 right though since it uses an identical piece to what you machined? Are you saying it's the same part number, but machined?

 

[MATCO]

That's one reason I took those pics cuz it didn't seem like it fit together right.. how does it fit the 13 right though since it uses an identical piece to what you machined? Are you saying it's the same part number, but machined?

Yes that's right.

 

[yz400ex]

So how does Polaris determine what part they are sending to the customer if the 11, 12, and 13 part #'s for that bulk head piece are all the same?

 

[MATCO]

So how does Polaris determine what part they are sending to the customer if the 11, 12, and 13 part #'s for that bulk head piece are all the same?

That's a good question. I bet they change it in the future...

 

[yz400ex]

I just checked the part #'s again and they have been updated and are different now.. That clears things up.. Guess I will just order the 13 part now.. For some reason its also $20 more than the 12 part.. Go figure.. Learned something new.. Thanks!

BTW, I never ran the sled with the QD installed. I only installed it so I didnt have my drive train just hanging there.. I am waiting on Lords to put it back together... My sled is in a million pieces anyway..

 

[winter brew]

Good info!

 

[Rick!]

I just checked the part #'s again and they have been updated and are different now.. That clears things up.. Guess I will just order the 13 part now.. For some reason its also $20 more than the 12 part.. Go figure.. Learned something new.. Thanks!

BTW, I never ran the sled with the QD installed. I only installed it so I didnt have my drive train just hanging there.. I am waiting on Lords to put it back together... My sled is in a million pieces anyway..

Why would't you just put the part in a mill and take out just enough of the ribs to make the backer plate fit? Use a cutter with a nice little .125 radius and have at it.