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Post by Guido on Sept 27, 2016 5:40:26 GMT -5
Hi, today the next step, first the photos : Oil pump looks not bad, than I pressed the oil seal (17) with the gear (18) out. The seal looks old but not demaged. What I really missing is the spacer (16). Is the missing spacer my problem ? New Oil seal I will try to get, any other idea what is wrong ? Any comment is welcome Best Regards Guido
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Post by Guido on Sept 27, 2016 15:49:52 GMT -5
Hi,
spacer (16) was from my pre owner forgotten to assemble. After searching in the 20 boxes I got with the bike I found the spacer, the spacer covered the complete oil sealing and has only the hole for the breaker assey wave. May be this was the reason for the oil loss to the transmission. Spacer is from alumina outer diameter 34 mm inner diameter 15,2mm and thickness 9,7mm if somebody has the same missing part. Now I have to look for a new oil sealing, hopefully the Internet helps.
Any other idea what I have to check, before I assemble again and refill the bike.
Guido
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Post by wayne on Sept 28, 2016 0:07:02 GMT -5
Hi Guido, if you are going to buy another oil seal, I would recommend that you buy the genuine item from Suzuki. The alternative seals that you can buy from bearing shops etc (at least in Australia) are now slightly wider and require machining of the spacer to get them to fit.
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Post by Guido on Sept 28, 2016 5:30:16 GMT -5
Hi Wayne, I found a 15/32/5,5mm oil seal in a shop,only difference to the one I found in the pump it is covered by NBR type A, so little better sealing outside than the type B with only metal outside. I think I can assemble with the help of the spacer. Spacer is 34mm outer diameter. Do you think there is a problem ?
www.kugellager-express.de/wellendichtring-simmerring-ba-15x32x5-5-mm.html
Best regards
Guido
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Post by rpr851r on Sept 28, 2016 12:05:33 GMT -5
Be careful with the seal you have located as it looks to be a general purpose seal and not necessarily rated for the pressure it will see.
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Post by wayne on Sept 28, 2016 17:39:15 GMT -5
I have no expertise in seals Guido, probably why I'll default to genuine Suzuki if there's any doubt. I can only comment on size.
I think what rpr851r has said is an important consideration.
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Post by timpa136 on Oct 13, 2016 16:21:00 GMT -5
Guido, Did you determine a course of action on the spacer and/or seal? Tim
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Post by Guido on Oct 14, 2016 12:53:01 GMT -5
Tim, I am still waiting for the clutch cover gasket, may be next week I can assemble and check. I will post the result Guido
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Post by Guido on Oct 27, 2016 3:16:27 GMT -5
Dear All, bad news :
After assembling with new oil seal and new gaskets I have the following situation.
After clutch cover installation I checked the ignition timing and must shift the timing driven gear one tooth, after that the ignition timing was o.k. that was a good tip from some post in the board, first check the timing than fix all screws
Than I filled the cooling water in and also the engine oil. I let the transmission empty and also have not installed the outlet screw.
Than I push the starter and after one minute there was a small oil line coming out of the transmission outlet. Very nice new castrol which I have filled some minutes before into the engine.
So nothing is changed still the engine oil is pressed into the transmission area.
After discussing with a colleague we have following summary. There must be a too high oil pressure. I will now check one part after the other (oil filter, pressure regulator and the tubes to the cooler) if there is a big resistance may be I have a high pressure at the oil pump and the way through the oil seal is possible.
Anyone an idea if there is another way into the transmission possible, in the moment I see only the oil seal behind the pump and the gasket from the clutch cover.
Every idea is welcome to solve the problem.
Guido
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Post by wayne on Oct 27, 2016 4:50:46 GMT -5
Guido, we had a member here a while back who had the same problem (engine oil pumping into the transmission) and it turned out that he'd put a seal in backwards. I'm afraid that I can't recall the details.
Search posts by RE5Mike.
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Post by Guido on Oct 27, 2016 6:40:05 GMT -5
Wayne, sorry but there is no technical post from RE5Mike.
Guido
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Post by wayne on Oct 27, 2016 17:48:44 GMT -5
I'm sorry Guido. I woke up in the middle of the night after posting that realising that Mike almost certainly posted that on the old RE5 forum before this one started up. I'll try and contact him for you.
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Post by wayne on Oct 27, 2016 21:05:30 GMT -5
I got in contact with Mike, I think he's mostly living in China (!) these days running a company called Homepin, manufacturing pinball machines for the nostalgics among us (please forgive the unsolicited free plug, he generously gave permission for his CDI diagram to be shared on the site and answered this query so quickly). He still has his RE5 in Australia.
He says:
"From memory (a very long time ago) it was one of the seals on the gear change shaft???"
Guido, this may or may not be correct, we're talking about 15 years ago.
I think the important thing is that with a particular oil seal incorrectly installed, it is possible to pump engine oil into the transmission. A careful look through the parts book may help you pinpoint a seal or two that could do this and then you could follow it up in the bike.
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Post by Guido on Oct 28, 2016 2:01:52 GMT -5
Wayne thank you, it is really difficult to lokate other places for oil pumping in the transmission. But good to hear that one other bike had some similar problem.
Yesterday evening I have dismantled the oil filter and try like you have done years ago with air pressure to locate my problem.
I press some air into the main whole of the connector of the oil filter this must be the way to the pressure regulator. Than I got air through the air vent into the air box. I closed this hose than it was possible to get little higher air pressure and I feel at the oil outlet of the transmission air coming out when i closed the hole with my finger I get over pressure and opining again the air leaves the transmission. So the air shows that there is the way similar to my engine oil.
Than I loosed the oil radiator screws inlet a little and air comes out same with the outlet. Looks like the oil circuit is free and open. Question is still where is the connection to the transmission, when I dismantle the clutchcover again I can not check anymore with the pressure air. Any idea what I can do next?
Guido
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Post by wayne on Oct 28, 2016 5:26:15 GMT -5
I've had a bit of a look through the parts book. The only obvious oil seal that could be fitted backwards and cause an engine-to-transmission oil flow would be seal #17. However, you've replaced this recently already. Was it correctly oriented when you took it apart ? Did you replace it the way it came out or did you replace it with reference to the part book ? I'm sure you know exactly what you're doing, I'm just trying to cover every base. Another possibility is a torn clutch cover gasket down in the bottom right corner where it forms a small internal square to seal off the sump from the open primary drive area. But once again, you fitted a new gasket and the problem was there before and after you'd done this. I can only point the finger at that seal at the moment.
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