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Old 04-29-2013, 03:02 PM   #76216
Lil' Steve
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Originally Posted by spannerman View Post
Had leaking output seal on bike i just bought it popped out when seller delivered it which he assured me it was just seal so bought new seal and fitted started up within 10 secounds popped seal out i removed breather from crankcase by starter and it is breathing ok from there , are there any other breathers on dr 650 also anyone had anything similar

Get one of these from Procycle for less than $25.






http://www.procycle.us/bikepages/dr650.html#engine
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Old 04-29-2013, 03:25 PM   #76217
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Quote:
Originally Posted by Lil' Steve View Post
Get one of these from Procycle for less than $25.






http://www.procycle.us/bikepages/dr650.html#engine
Thanks LIL Steve is this common fault then i was thinking must be blocked breather would they ship to uk
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Old 04-29-2013, 03:27 PM   #76218
Kommando
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Originally Posted by joefromsf View Post
Anybody know how accessible the sump oil screen is on the DR?

Its #10 in this diagram http://www.mrcycles.com/fiche_sectio...0#.UX649MqQOyA

I had my oil sight glass poked out (actually in) by a downed tree branch and am trying to flush out the engine. Details here: http://www.advrider.com/forums/showthread.php?t=882879

Based on peering in from the left side where I have the clutch cover off, I think the sump oil screen is only accessible by splitting the cases. But there is a slim chance it could be accessible under the stator cover. Anybody know for sure?
'Any chance you could gently backflow that with oil, diesel, air or the like? Insert a thin vacuum tube and vacuum the screen?
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Old 04-29-2013, 04:14 PM   #76219
Lil' Steve
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Originally Posted by spannerman View Post


Thanks LIL Steve is this common fault then i was thinking must be blocked breather would they ship to uk

I wouldnt call it common but it's not unheard of, I have seen it personally though.

I believe Procycle ships worldwide. I'm sure he'll chime in otherwise.
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Old 04-29-2013, 04:18 PM   #76220
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Originally Posted by Kommando View Post
'Any chance you could gently backflow that with oil, diesel, air or the like? Insert a thin vacuum tube and vacuum the screen?
Yeah, that's my fallback plan is something like that. Squirt some kerosene down the passage that goes to the screen in the sump. Not possible to get underneath it to vacuum it though.
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Old 04-29-2013, 04:27 PM   #76221
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Quote:
Originally Posted by spannerman View Post


Thanks LIL Steve is this common fault then i was thinking must be blocked breather would they ship to uk
Quote:
Originally Posted by Lil' Steve View Post
I wouldnt call it common but it's not unheard of, I have seen it personally though.

I believe Procycle ships worldwide. I'm sure he'll chime in otherwise.
Interestingly, since I ceased manufacture, is seems that Suzuki are now making them too, so you may be able to source one via them in the UK. VSM are selling them here in Oz and also ship overseas I believe.

Just posted on the Oz thread, one recently fitted:
http://www.advrider.com/forums/showp...ostcount=13131

http://www.vincestrangmotorcycles.com.au/cont.html
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Old 04-29-2013, 04:36 PM   #76222
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Thanks guys so whats reason for it coming out i was thinking to much crankcase pressure blocked breather etc
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Old 04-29-2013, 04:41 PM   #76223
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Originally Posted by spannerman View Post
Thanks guys so whats reason for it coming out i was thinking to much crankcase pressure blocked breather etc
Some just do.

There is a pressurised oil feed right behind the seal. Oil comes from the pump to the space behind the seal, contained by the inner seal on the countershaft bearing, then into a hole in the countershaft for distribution to the gears.

Max oil pressure is when the oil is cold at startup. There is minimal crank pressure then, and even so, its shielded from crank pressure by the seal on the css bearing.

The seal is only retained by friction, so needs to be assembled dry. There is also a suggestion that some cases were machined a bit oversize and Suzuki have released an oversized seal, but dunno about that.
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Old 04-30-2013, 05:13 AM   #76224
arnold4
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Hello,

I have a plan to install kick start mechanism to my 93`dr650SE. Originally it has only electric start. Has anybody tried to do it? Tips, advices?

Tarmo
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Old 04-30-2013, 05:18 AM   #76225
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Quote:
Originally Posted by BergDonk View Post
Some just do.

There is a pressurised oil feed right behind the seal. Oil comes from the pump to the space behind the seal, contained by the inner seal on the countershaft bearing, then into a hole in the countershaft for distribution to the gears.

Max oil pressure is when the oil is cold at startup. There is minimal crank pressure then, and even so, its shielded from crank pressure by the seal on the css bearing.

The seal is only retained by friction, so needs to be assembled dry. There is also a suggestion that some cases were machined a bit oversize and Suzuki have released an oversized seal, but dunno about that.
Thanks only thing that worries me is will just push a different seal out if i fit plate one thing i am wondering is did i push seal in to far ????????
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Old 04-30-2013, 06:38 AM   #76226
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I got a couple questions the other day that I can't answer so I figured I would ask here:

A couple of the bearings inside the cases have dust seals on them. Why are they retained inside the motor and what will happen if they are removed?

The only thing I could think of is related to circuit pressure? Couldn't think of any real downside other than maybe reduced pressure but I would assume the bearings would get enough oil on them through spray...

Should I tell the guy to take his motor back out and apart or will he be ok?

Thanks.
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Old 04-30-2013, 07:48 AM   #76227
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Originally Posted by rch10007 View Post
A couple of the bearings inside the cases have dust seals on them. Why are they retained inside the motor and what will happen if they are removed?
Should I tell the guy to take his motor back out and apart or will he be ok?
The seals on those bearings cause oil from the oil pump to be directed through passages in the transmission shafts. Installing unsealed bearings will allow the oil to just flow through the bearing and drain into the bottom of the case instead of being channeled to the inside of the transmission gears and to the clutch. If somebody put their motor together without the bearing seals they are risking premature transmission and clutch failure.
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Old 04-30-2013, 07:49 AM   #76228
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Originally Posted by Indytriumph View Post
Just wanted to say Hi. I have been a lurker for many years. I picked up a 96 DR650 two years ago and I am having a blast with it. My main mode of transportation has been a DL650 with 170,000 miles on it.

Tom

I run the same 5.11 vest. It's better than the m/c specific vests, IMHO.
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Old 04-30-2013, 07:57 AM   #76229
rch10007
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Quote:
Originally Posted by procycle View Post
The seals on those bearings cause oil from the oil pump to be directed through passages in the transmission shafts. Installing unsealed bearings will allow the oil to just flow through the bearing and drain into the bottom of the case instead of being channeled to the inside of the transmission gears and to the clutch. If somebody put their motor together without the bearing seals they are risking premature transmission and clutch failure.
This is what I was thinking too...

Can you confirm which bearings the seals are installed and which orientation? On second thought, I think all the bearings are different sizes, aren't they? I know the inner output shaft bearing has a seal that faces the right side but I don't remember the other one. Maybe the outer input shaft with the seal facing the outside of the motor? It's been too long that I had my motor apart that I don't recall exactly but hate to give out wrong info.

Thanks again!
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Old 04-30-2013, 08:00 AM   #76230
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Quote:
Originally Posted by spannerman View Post
...only thing that worries me is will just push a different seal out if i fit plate...
It won't push anywhere else. The countershaft seal is the only external seal that has oil pressure behind it.
Go to the last two posts on this page. --> http://drriders.com/topic6662-70.html
There are photos of the oil passages and an explanation of the oil flow to the transmission with a flow diagram for the oil distribution. You'll have to click on the diagram and enlarge it to see.
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