1999 ski-doo mx z 670 h.o Toni Haikonen edition - Page 2 - Snowmobile Forum: Your #1 Snowmobile Forum
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Old 11-26-2012, 03:51 PM   #21 (permalink)
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Those drain plugs are a Polaris thing, the Skidoo doesn't have them. Shut off the fuel petcock, disconnect the pulse line from the fuel pump, remove the spark plugs and pull the thing over a few dozen times. Then try starting it with fresh plugs, no choke and wide open throttle.
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Old 11-26-2012, 05:22 PM   #22 (permalink)
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I happen to have a very soft spot for this sled. My brother Jeff let me ride his when I first turned twelve, It was the first sled I remember that would actually stand up not just suspension ski lift.

your track is a very standard 121" long x 15"wide x 2.52"pitch You could probably clear a 1.5" paddle or 1.3" with studds
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Old 12-06-2012, 12:30 PM   #23 (permalink)
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Be advised that the 670 HO is factory tweaked and any change to exhaust will most likely result in a loss of power.
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Old 01-07-2013, 08:41 PM   #24 (permalink)
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Wow, it is fast

I finally got to ride it last weekend for the first time.
We went to a place called Grafton Lakes State Park.

Wow is that thing fast.

Drives great.
But after 2 hours of riding, the pull start would no longer work.
I am on my 2nd recoil already.

Anyone have any good advice on these recoils?
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Old 01-13-2013, 07:48 PM   #25 (permalink)
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MX-Z recoil & clutch concerns

I fixed the recoil again.
Does anyone know of a recoil setup better than OEM?

Also, when the recoil broke last, I tried to maually start it from the clutch.
But the outer part of the clutch turned and the motor did not.
I think I have some type of racing clutch on it (previous owner).
Does that sound right that you can turn the outer part of the cluth, but the motor does not get turned?
The clutch happnes to be very noisey also.
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Old 01-13-2013, 08:19 PM   #26 (permalink)
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Cant think of any primarys like u describe...better take a close look at that clutch before its too late....leave that motor STOCK!
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Old 01-14-2013, 05:05 AM   #27 (permalink)
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is your rewind mounted with just a big clamp or is it the standard bolt on my 97 583 had the clamp on kind, but wore out so i put a bolt on one instead and like it better. even though the rewind pulley is smaller it stills pull over easy .also not shure about your clutch mine also makes weird nocking noice and cant seem to find any issues my older 521 was the same way but may need to look into it just to be safe. mine only doese it at idle butgoes away when engaged
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Old 01-14-2013, 07:50 PM   #28 (permalink)
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My rewind is the type with the big ring clamp. I guess you are stating the bolt on type may be better and will actually work on my sled?

Also, I took a picture of the clutch (still trying to figure out how to attach it to this post). I can move the part with the arrow on it and the rubber part with the square does not turn (basically I can turn the clutch and it does not turn the motor.
When I start the motor, the clutch engages and works fine. Is that normal or am I getting close to having a clutch failuer?
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1999 ski-doo mx z 670 h.o Toni Haikonen edition-new-019.jpg  

Last edited by lmassy; 01-14-2013 at 07:51 PM. Reason: adding image
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Old 01-15-2013, 05:51 AM   #29 (permalink)
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That is a vibration dampener, has no actual function of the clutch.
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Old 01-15-2013, 06:56 AM   #30 (permalink)
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Quote:
Originally Posted by lmassy View Post
My rewind is the type with the big ring clamp. I guess you are stating the bolt on type may be better and will actually work on my sled?

Also, I took a picture of the clutch (still trying to figure out how to attach it to this post). I can move the part with the arrow on it and the rubber part with the square does not turn (basically I can turn the clutch and it does not turn the motor.
When I start the motor, the clutch engages and works fine. Is that normal or am I getting close to having a clutch failuer?
u will see on outside of your rewind its like a small round piece about the size of a quarter mine kept popping out a bit and would not get the dawgs to catch plus looked like someone try to pry on it. anyway i took that rewind off plus theres another metal ring in there with 4 allen/hex bolts that hold ring on i took that out and reused same 4 boltsand holes to mount a starndard skidoo bolt on one and no issues yet hardest part was getting rope to go back through the tube to the hanndle
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Old 01-15-2013, 11:21 AM   #31 (permalink)
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clutch concern

Thanks for all the info on the rewind.
Now I need to get clarification on the drive clutch.

Does anyone know if it is OK that the outer clutch plate can be turned manually, but the motor is not?
I tried to post a picture of the clutch in my other post.
I am just afraid that the clutch is going to fail when I am out riding or something.

The reason I noticed this is because my recoil broke a few weekends ago and I tried the manual procedure of winding the rope around the clutch.
But the engine was not turned over when I did it?
The outer clutch part turned, but the engine did not rotate.
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