Relax
Member
Posts: 322
Power & elegance...just like the Valk
Oslo, Norway
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« on: September 01, 2023, 10:25:53 AM » |
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 Where does it come from? What do I do? It's not much , and so far, only on front end (like pic) on both side. Not so much on left side, though.  |
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98valk
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« Reply #1 on: September 01, 2023, 10:29:47 AM » |
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from assembly line tacking sealant on o-rings to hold them in place. just clean it off, there is nothing wrong.
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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RonW
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« Reply #2 on: September 01, 2023, 10:51:30 AM » |
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Agreed, coffee stains in that area usually means the o-ring is leaking. Perhaps check the torque on the intake runner's two bolts.  |
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2000 Valkyrie Tourer
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The emperor has no clothes
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« Reply #3 on: September 01, 2023, 10:57:09 AM » |
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It’s a very common thing. No oil leak. You need new o-rings.
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sandy
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« Reply #4 on: September 01, 2023, 11:51:32 AM » |
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If you have an Oring seal store in your area, use a #123 size and try to get Viton material. It's impervious to engine heat and petroleum distillates.
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Valkorado
Member
Posts: 10491
VRCC DS 0242
Gunnison, Colorado (7,703') Here there be twisties.
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« Reply #5 on: September 01, 2023, 12:00:06 PM » |
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If you have an Oring seal store in your area, use a #123 size and try to get Viton material. It's impervious to engine heat and petroleum distillates.
Also using the viton. Sure seems to extend the time between changes.  |
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Have you ever noticed when you're feeling really good, there's always a pigeon that'll come sh!t on your hood? - John Prine 97 Tourer "Silver Bullet" 01 Interstate "Ruby"  |
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Relax
Member
Posts: 322
Power & elegance...just like the Valk
Oslo, Norway
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« Reply #6 on: September 01, 2023, 01:04:42 PM » |
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I m out for a longer day-ride tomorrow,,,and thanks to you folks, I¨ll do it without worries. If I need to replace the O-rings, do I just remove bolts, twist the bend out , replace O-rings ,and re-install them? I'll check the torque first though, maybe it solve the matter  |
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98valk
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« Reply #7 on: September 01, 2023, 01:10:08 PM » |
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If the O-ring was leaking the engine would have major vacuum leaks causing erratic idling and running down the road. The O-Ring has not failed and it is not leaking anything. The high tack is melting off and draining onto the head. That is all that brown looking stain is and nothing else. High Tack specs. Melting point / freezing point No information available Boiling point / boiling range 57 °C / 135 °F https://www.permatex.com/wp-content/uploads/sds/80062.pdfhttps://www.permatex.com/products/gasketing/gasket-sealants/permatex-high-tack-gasket-sealant-4-oz/OEM O-rings are made of Buna-N aka Nitril good chance Honda used the higher temp type Buna-N. Sulfur-Cured: Standard Low Temp: -35°C (-31°F) Standard High Temp: 120°C (248°F) Peroxide-Cured: Standard Low Temp: -29°C (-20°F) Standard High Temp: 135°C (275°F) https://www.globaloring.com/buna-nitrile-o-rings/ |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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RonW
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« Reply #8 on: September 01, 2023, 01:32:18 PM » |
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Did not know that about the factory tacking sealant on the o-rings. On my bike though the coffee stain was on a very wide area and getting larger by the week. Even if it doesn't affect performance how would you stop the sealant from keeping on bleeding out? I replaced the o-rings and no more sealant leak.
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2000 Valkyrie Tourer
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The emperor has no clothes
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« Reply #9 on: September 01, 2023, 01:35:42 PM » |
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I m out for a longer day-ride tomorrow,,,and thanks to you folks, I¨ll do it without worries. If I need to replace the O-rings, do I just remove bolts, twist the bend out , replace O-rings ,and re-install them? I'll check the torque first though, maybe it solve the matter correct, the only thing to watch for is the o-ring falling out on reinstalling. Easy job |
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The emperor has no clothes
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« Reply #10 on: September 01, 2023, 01:40:59 PM » |
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Did not know that about the factory tacking sealant on the o-rings. On my bike though the coffee stain was on a very wide area and getting larger by the week. Even if it doesn't affect performance how would you stop the sealant from keeping on bleeding out? I replaced the o-rings and no more sealant leak.
Not to get in a pissing match about a simple fix. I’m sure you’ll remember Ron when you removed the old o-rings they were flattened out. Looks like Relax’s are just starting the process. It will continue to get worse. (Regardless of the Honda sealant mumbo jumbo) |
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RonW
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« Reply #11 on: September 01, 2023, 01:45:42 PM » |
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Yea, flattened. I don't think the o-rings can be reused.
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2000 Valkyrie Tourer
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The emperor has no clothes
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« Reply #12 on: September 01, 2023, 01:48:39 PM » |
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Yea, flattened. I don't think the o-rings can be reused.
They are dirt cheap. It would be dumb to reuse them. |
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RonW
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« Reply #13 on: September 01, 2023, 01:49:46 PM » |
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correct, the only thing to watch for is the o-ring falling out on reinstalling. Easy job Perhaps use the equivalent of tacking sealant to hold the o-rings in it's groove since the o-ring is suspended upside down on install. Took me a few tries. Just kept thinking is that o-ring still fully in its groove?? Some people used grease if memory serves. |
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2000 Valkyrie Tourer
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The emperor has no clothes
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« Reply #14 on: September 01, 2023, 01:52:38 PM » |
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correct, the only thing to watch for is the o-ring falling out on reinstalling. Easy job Perhaps use something like the tacking sealant to hold the o-rings in it's groove since the o-ring is suspended upside down on install. Took me a few tries. Just kept thinking is that o-ring still fully in its groove?? Some people used grease if memory serves. I think out of 12 that I’ve done, 2 or 3 needed a little something to hold them in. I think I used the tiniest dab of gasket sealant. |
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RonW
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« Reply #15 on: September 01, 2023, 01:56:52 PM » |
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I re-checked the o-rings unnecessarily for sure. Just one of those kind of things.
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« Last Edit: September 01, 2023, 02:55:47 PM by RonW »
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2000 Valkyrie Tourer
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98valk
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« Reply #16 on: September 01, 2023, 02:46:22 PM » |
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Did not know that about the factory tacking sealant on the o-rings. On my bike though the coffee stain was on a very wide area and getting larger by the week. Even if it doesn't affect performance how would you stop the sealant from keeping on bleeding out? I replaced the o-rings and no more sealant leak.
Not to get in a pissing match about a simple fix. I’m sure you’ll remember Ron when you removed the old o-rings they were flattened out. Looks like Relax’s are just starting the process. It will continue to get worse. (Regardless of the Honda sealant mumbo jumbo) the O-rings flattening are part of the sealing function, how much they flattened determines if they can be re-used or not is the criteria. I re-used the OEM O-rings three times and they still didn't leak. Since I worked with o-rings in the marine industry and for this application, I knew how many times they could be re-used. In other applications o-rings need to be replaced each time, applications and system contents cause that requirement. |
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« Last Edit: September 01, 2023, 03:52:50 PM by 98valk »
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Chrisj CMA
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« Reply #17 on: September 01, 2023, 03:06:12 PM » |
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I m out for a longer day-ride tomorrow,,,and thanks to you folks, I¨ll do it without worries. If I need to replace the O-rings, do I just remove bolts, twist the bend out , replace O-rings ,and re-install them? I'll check the torque first though, maybe it solve the matter There’s a lot less stress on the metal sealing faces if you remove all six bolts on one side so you can lift the intake higher before twisting it out. Then change the O-rings one at a time on that side. Then torque down all six before going to the other side |
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The emperor has no clothes
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« Reply #18 on: September 01, 2023, 03:33:29 PM » |
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I m out for a longer day-ride tomorrow,,,and thanks to you folks, I¨ll do it without worries. If I need to replace the O-rings, do I just remove bolts, twist the bend out , replace O-rings ,and re-install them? I'll check the torque first though, maybe it solve the matter There’s a lot less stress on the metal sealing faces if you remove all six bolts on one side so you can lift the intake higher before twisting it out. Then change the O-rings one at a time on that side. Then torque down all six before going to the other side good tip |
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John Schmidt
Member
Posts: 15192
a/k/a Stuffy. '99 I/S Valk Roadsmith Trike
De Pere, WI (Green Bay)
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« Reply #19 on: September 01, 2023, 04:04:46 PM » |
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What I've done in the past; loosen the 6 bolts on one side about a quarter of the way, remove the six on the other side...that's the side you're changing first. I've never loosened and twisted the intake runner to r&r the intake orings, just not needed. I do use a bit of gasket seal to hold them in place, maybe as much as a drop on opposite sides. Then set that side down in place and install the 6 bolts but leave them loose at this point. Move to the other side and remove the bolts and repeat the operation. Once all 6 orings are in place then torque them down.
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Relax
Member
Posts: 322
Power & elegance...just like the Valk
Oslo, Norway
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« Reply #20 on: September 03, 2023, 02:44:06 AM » |
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I cleaned the area and tighten the nuts a very, VERY, tiny bit. I also checked all other nuts on both sides, it was nothing to tigh. My wfe and I had a nice 250 miles ride yesterday, and I, ofc , kept an eye on the area, no oil drops anymore (so far, at least) I'll keep watching the area, and order in the O-rings, just in case. Thanks, all of you!   |
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