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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Wed May 13, 2015 6:03 pm 
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650 cc Monster

Joined: Fri Apr 03, 2009 3:08 pm
Posts: 4440
The Clymer manual for the Suz DRZ 400 is excellent.

the bearing may well be a standard component. If you can get the old one out, your local bearing factor can probably provide you with a good quality (SKF or similar) replacement.


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Wed May 13, 2015 6:07 pm 
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650 cc Monster
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Joined: Fri Dec 07, 2012 2:22 pm
Posts: 2439
Location: Romiley
Stephen,

So far as I know the engine crankcases have to be split apart to gain access to the bearing, so before undertaking such an exercise may I just ask if you have actually felt or measured any excessive side ways movement of the bearing? If not then as a long shot have you measured the engine oil pressure because I am wondering if the oil pressure release valve might be stuck closed :idea: What oil are you using and when did you last change the replaceable oil filter?

I use a company in Stockport as my bearing supplier but you need to provide him with the original bearing or at least the manufacturer's reference numbers and sizes; try Chris at Emmett Enterprises on 01614779020

Where do you live and could anybody call around to give a second opinion?

TTFN

Hugh.

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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Wed May 13, 2015 10:01 pm 
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80 cc

Joined: Mon May 05, 2014 5:02 pm
Posts: 30
Thank you for replying last service was only done 200 miles ago but i will check the oil pressure release valve.
I really cant feel any movement in the shaft and it turns freely.
Am doing this right i put the oil seal in flush with the bearing the put the sleeve in with the 2 notches facing the bearing then the retainer on.
Been told two different ways to do this one said put oil seal against bearing someone else said it should be flush with the outside of the casing.
I have just sent for a clymer manual so will wait for that to come now see what it says in that thank you again all.


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Wed May 13, 2015 10:13 pm 
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650 cc Monster

Joined: Fri Apr 03, 2009 3:08 pm
Posts: 4440
Clymer manual says (p114) "Drive the seal until it is flush with the outside edge of the bore. Use a driver that fits the perimeter of the seal. Check that the oil hole in the bore is not blocked.

I suspect that you have obscured the high-pressure feed through the oil hole in the crankcase by pushing the seal in too far, and oil is being forced out of the seal as a result.

Hopefully the bearing is OK.

Good luck.


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Wed May 13, 2015 11:06 pm 
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400 cc

Joined: Tue Dec 27, 2011 10:50 pm
Posts: 1122
Location: Yorkshire
I have a genuine Suzuki DRZ400S workshop manual, do you want me to scan and email the relevant page(s) to you?

If so, send me a PM with your email address and I'll do it tomorrow

_________________
2003 Honda XR400R3
1996 Suzuki DR350SE


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Fri May 15, 2015 2:06 pm 
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80 cc

Joined: Mon May 05, 2014 5:02 pm
Posts: 30
Thanks John for that.
Bike is now sorted no leaks been out for a short ride today all looks good.
Thanks again all.


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Fri May 15, 2015 2:11 pm 
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125cc

Joined: Tue Mar 18, 2014 8:06 pm
Posts: 191
stephenatk wrote:
Thanks John for that.
Bike is now sorted no leaks been out for a short ride today all looks good.
Thanks again all.


What was the problem then in the end and how was it resolved?

Sent from my D5803 using Tapatalk


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Fri May 15, 2015 5:33 pm 
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80 cc

Joined: Mon May 05, 2014 5:02 pm
Posts: 30
Dont really no i was told of the suzuki bike dealer near me to put the oil seal flat against the bearing.
When i went back to see him after second seal fail he said it may be the counter shaft bearing fail.
I put two seals in this way and both let the oil back.
The car mechanic round corner from me told me to put oil seal flat with the casing and not against the bearing.
First thing i did was put shaft collar on with new oring.
Then put new oil seal in flush with casing.
Good clean of threads and did the locktight on sprocket and nut.
Just see how it goes' going to give it a good run out tomorrow.


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Fri May 15, 2015 6:06 pm 
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400 cc

Joined: Tue Dec 27, 2011 10:50 pm
Posts: 1122
Location: Yorkshire
stephenatk wrote:
Thanks John for that.
Bike is now sorted no leaks been out for a short ride today all looks good.
Thanks again all.


Glad you got it & hope it helped :)

_________________
2003 Honda XR400R3
1996 Suzuki DR350SE


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 Post subject: Re: DRZ 400 S sprocket shaft seal gone
PostPosted: Sat May 30, 2015 5:49 pm 
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80 cc

Joined: Mon Aug 10, 2009 5:02 pm
Posts: 45
Hi , only just seen this post . The seal must NOT be driven in as far as the bearing ,but should sit flush with the casing,and it is then held in place by the retaining ring,it also maybe worth using loctite on the retaining ring screws as if they work loose it can allow the seal to leak. Better late than never ! !


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