Phazer tear down ?s. - HCS Snowmobile Forums

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Old 11-29-2017, 01:58 PM   #1 (permalink)
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Default Phazer tear down ?s.

So my 12 yr old boys 89 phazer is leaking gas from the PTO side seal. I am going to have to crack the case to replace the seals. What else should I be replacing while I have it apart? I dont want to dump a ton of money into a $400 machine. Do I do rings and gaskets on the top end too? Do I bother with crank bearings at $30 a shot if it runs fine now? I just dont want to drive on the seal the way it is an burn up that cylinder and figure if it is apart might attack a couple other wearables. Anyone have a link to a how to on this machine?? I ordered a Clymer book on it as well. Appreciate any insight...
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Old 11-30-2017, 02:12 PM   #2 (permalink)
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Default Phazer re-seal

This is a great project for a 12 yr, Its not hard I have done a couple these. You don't have to take the whole motor apart just the bottom end. Pull the motor and remove all the shroud stuff off of it and the motor is actually small. You will need to apply heat to the gear that runs the oil pump and tach, remove clutch.. Remove bottom of case and lift the crank a little and install your seals, finesse it back together and reseal case with the correct sealer from your motorcycle store. These seals are cheap also.
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Old 11-30-2017, 02:19 PM   #3 (permalink)
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Originally Posted by zobenv View Post
This is a great project for a 12 yr, Its not hard I have done a couple these. You don't have to take the whole motor apart just the bottom end. Pull the motor and remove all the shroud stuff off of it and the motor is actually small. You will need to apply heat to the gear that runs the oil pump and tach, remove clutch.. Remove bottom of case and lift the crank a little and install your seals, finesse it back together and reseal case with the correct sealer from your motorcycle store. These seals are cheap also.
is there a specific sealer needed for the case? I got the motor out and stripped all the extras. Now need to track down a yamaha clutch puller. Tried the water trick to no avail.
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Old 11-30-2017, 10:38 PM   #4 (permalink)
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Good advice from from zobenv, short of the heat on the drive gear. Bad idea in my opinion and a clamshell type bearing type puller is the ticket here. Rent or buy one. From here it will require a press for the reinstall. You obviously dont want extreme heat right next to that new seal.

Yamabond for sealing the case halves is what I always use. You can get a small tube from Yamaha for about $5. Enough to do the job. If your going online for parts, Yamahasportsplaza.com is my go to source for oem parts. The gasket for the oil pump drive is no longer available, just use the yamabond here as well to seal that connection.
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Old 11-30-2017, 11:17 PM   #5 (permalink)
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Now need to track down a yamaha clutch puller.
You said the water trick didn't work, but did you try something a bit thicker (grease). Sometimes there is a small space that allows water to escape where grease will build pressure. As far as buying a clutch puller, just go to your favorite auto parts store and see if they have a flywheel puller/clutch puller that you can rent/borrow. Unless you think you will get into engine modding then there is no need to purchase a $50+ tool
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Old 12-06-2017, 04:33 PM   #6 (permalink)
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did you get your clutch off, I bought one of the cheap clutch tool for the phazer and have used it a lot, it sure is no match for the 50 dollar one.
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Old 12-06-2017, 04:41 PM   #7 (permalink)
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just seen a clutch tool for 18 bucks ebay free ship, I use the tool for a bravo on the phazers and it works good, the bravo tool is cheaper
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Old 12-12-2017, 10:45 AM   #8 (permalink)
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did you get your clutch off, I bought one of the cheap clutch tool for the phazer and have used it a lot, it sure is no match for the 50 dollar one.
The water trick did work, but you cant use the clutch bolt like some other makes. You have to get a different size bolt from the hardware store. When it pops it REALLY pops up, up and away so be careful.
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