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I lost two quarts of oil in 30 seconds

  • Thread starter Thread starter jfman
  • Start date Start date
The clutch pushrod seal has a retainer plate that covers the bottom half of the seal.

The seal tilted out from the top in my case.
 
Things are not going well.

I removed it all to put the new seal in.

Before I put the new seal in I cleaned the bore and I dabbed the bore a little with rtv.

After I drove the seal in, I ran a bead of rtv over the seal. Overkill I know but figure it could not hurt. The fit of the new seal was tight as it should be. I waited 2 hours for the rtv to cure.

Fired the bike up and the seal came right back out with a lot of oil pressue making a mess once again.

Something isnt right here. I think there is something wrong with the crankcase pressure. Seems to me that amount of oil pressure is not normal. It took some good taps with a right sized socket to drive that seal in and it popped out right away.


two seals purchased alternate and old style. I went witht he one on the right because that's what was on the bike.

gs400sealalternate1.jpg


gs400sealalternate2.jpg



New seal:

gs400sealnew.jpg






Pressure so great that it bent the seal. I pulled the new seal back out and it is distorted from the pressure.
gs400sealbent.jpg

 
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Show us a picture please. Is the retainer in place?
Did you replace both seals int he fiche?
 
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JEEPRUSTY said:
Show us a picture please. Is the retainer in place?
Did you replace both seals int he fiche?
Click to expand...


I was in the process of uploading the pictures when you posted.

I pulled the new seal out and it's bent from the oil pressure.
 
There is an oil chart in the manuals showing the direction and location of oil flow.

You should reference that.

The retainer is odd looking mine covers the complete circumference of the push rod seal.

I cannot seem to locate you bike on the alpha sports fiche......
 

Quote stolen from another thread

I think the PO replaced the old style seal that was installed from the inside out with the new style but he did not use the correct retainer plate. The old style seal cannot be used because it's installed from the inside out during the engine assembly. Also I am still thinking that there is too much pressure in the motor... I may be wrong on this but even with the incorrect plate, why would the seal the PO put in stay in so long before popping out and my new seal would pop right out.

Before calling it quits, I'm going to buy yet another new seal. Steal the correct plate from my 1986 bike and see what I what happens.

If it still pops out.. then it may be time for on of my parts bikes to lose a motor.







apopleptic said:
OK, here is how to tell how hard of a time you are going to have doing this job.
Examine this picture and figure out which bracket you have.
2011-10-03_20-47-01_254.jpg

The seal next to it is how it will look after you take it out.
If you have the top type of holder, I would not do this job unless you really have a bad leak there.
Here's how it looks now. I'm not going to bend the tabs on the plate until I test it and make sure it isn't leaking.
2011-10-03_20-47-45_43.jpg

2011-10-03_20-50-35_412.jpg
Click to expand...



JEEPRUSTY said:
There is an oil chart in the manuals showing the direction and location of oil flow.

You should reference that.

The retainer is odd looking mine covers the complete circumference of the push rod seal.

I cannot seem to locate you bike on the alpha sports fiche......
Click to expand...
 
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BentRod said:
I have seen this down south, and I envy you folks that can get away with this, but in most of Canada, you really can't do this. A bit of salt and water from the road, and the aluminum engine cases and stainless bolts from a battery that will corrode the aluminum away. The bolts will look great in 3 years, but the threads in the case will be a mess.
Click to expand...

Aaah forgot about that, salt not good...they use salt here WHEN it might snow lol. Then again it is gone in a day or so. So we don't get those salty conditions. Though I do remember when I was in NC for a couple months. Was just off the ocean and the salt build up was scary, I spray washed my bike off before I came back to NM. Amazing how much corrosion hit the bike in that short of time.
 
Ok, I see your problem straight away!

You're using the non-flange seal without the proper retainer, so yes it will blow out every time as there's nothing to hold it in place against the pressure.

2011-10-03_20-47-01_254.jpg


The bottom retainer is what you need with the non-flange type seal.

If you don't put that in, you will need a flange type seal, and I'm unsure if you can replace that without splitting the cases... I only have experience with the non-flange type with the retainer...
 
New seal, correct plate stolen from parts bike and it's back to business. No leaks that I couls see.

I did not get the chain back on because it got dark but hopefully tomorrow I'll wrap this up and go for a ride.
 
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