[ntwizard]

I have a chance to buy an 95 Arctic Cat EXT580 Mountain Cat long track which has 3700 miles on it. Not running at the moment. Rest of sled is in good shape. He wants $600. I am told they are easy to work on to rebuild top end and re a good sled. Do you think this is a good deal? I have done rebuilds on ATV 2 strokes and Polaris sleds so can do work myself to save on labour.

 

[kccats]

Yes they are good sleds but $600 for a non running one is high! Offer him $200 and tell him you'd give him $600 if he gets it to run!

 

[ntwizard]

re:

Went and checked sled out. Track and tunnel are great and 130 psi in each cylinder. Wiring harness is a bit of a mess due to both mice and bypasses. But with 130 psi each, decided to pick up for 500.00 and get a another wiring harness. Used sleds here in Ontario have been going like hot cakes and prices are up fairly high. Picked it up for $500.00. Hope all goes well with it.

 

[kccats]

If it isn't efi start by simply unplugging the 4 way square plug comeing out of the motor! Test for spark, if none jump the brown and black wires on the motor side! If it is EFI there is a 3 way plug.

 

[ntwizard]

Thanks for the advice. I will give that a try.

 

[ntwizard]

Well, I pulled it over and it has good spark without jumping the wire coming from motor. can I assume stator is good? One thing I have noticed is that the ECU has blue written on it with marker on he back but the injectors are yellow dot? Should the ECU not be yellow dot as well to match?

 

[kccats]

Yes they should match. Most of the 580 EFI's were black squares.

 

[ntwizard]

Black square injectors with no dots?

 

[kccats]

The dot is black and is not round but square.

 

[kccats]

94ZR just bought a 95 ZR580 EFI for $500.

 

[RJ Gleason]

Those you can change the Eprom in and as long as that matches the injectors, it's good.
You can open the case and look at that to see if they match.