June 17th, 2013, 03:32 PM | #1 |
ninjette.org member
Name: Thomas
Location: Ontario
Join Date: Jun 2012 Motorcycle(s): 2008 Ninja 250R - Kawi Green Posts: 138
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Underside covered in sludge/oil
Should I have this much sludge/oil on the underside of the engine? Is it just from chain or should I worry? It also gets all over the underside of fairings and the very bottom front closest to the front wheel...
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June 17th, 2013, 03:45 PM | #2 |
Fast-Guy wannabe
Name: Jason
Location: Brentwood, Ca
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The color of it on you finger looks like oil so I"d clean EVERYTHING including you chain really good then finish the motor area with brake cleaner so its perfectly dry then check you oil level. If the oil level is good then go for a short couple mile ride and then check it again for the source of the leak.
You don't by chance use oil on your chain do you? |
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June 17th, 2013, 03:52 PM | #3 |
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Name: Danny
Location: San Francisco, CA
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Thats definitely not normal.
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June 17th, 2013, 03:56 PM | #4 | |
ninjette.org member
Name: Thomas
Location: Ontario
Join Date: Jun 2012 Motorcycle(s): 2008 Ninja 250R - Kawi Green Posts: 138
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Quote:
Couple of questions... I hear brake cleaner is pretty serious stuff... Any spots I shouldn't use it/avoid spraying it? Should I spray on cloth then just wipe? I'm doing EBC HH brakes, galfer braided SS brake line, spark plugs and an oil change later this week, should I do this before or after that (specifically the oil change)? I use a combination of DuPont Teflon multi use dry wax lubricant (squirt bottle) when on the road and DuPont Teflon chain saver dry self cleaning lube (spray bottle) at home (the newer formula that replaced the spray dry wax and is "designed" for motorcycles... This is all under and around the front sprocket/chain tho.. |
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June 17th, 2013, 04:00 PM | #5 | |
ninjette.org member
Name: Thomas
Location: Ontario
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June 17th, 2013, 04:10 PM | #6 |
Fast-Guy wannabe
Name: Jason
Location: Brentwood, Ca
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I'd clean everything first and figure out where this oil/sludge is coming from before changing the oil because if you have to repair anything your probably going to have to drain the oil anyways. Brake cleaner won't hurt anything OEM except may the unpainted plastics. A good full concentrate degreaser will work fine at removing this stuff and be safe for everything. Just use the brake cleaner to dry out the areas you suspect the leak could be coming from.
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June 17th, 2013, 04:38 PM | #7 | |
ninjette.org member
Name: Thomas
Location: Ontario
Join Date: Jun 2012 Motorcycle(s): 2008 Ninja 250R - Kawi Green Posts: 138
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Quote:
Am I OK to ride a few miles with all the fairings off (including the headlight/front fairing) |
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June 17th, 2013, 04:51 PM | #8 |
Fast-Guy wannabe
Name: Jason
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If your going to ride without the fairing its recommended you go crash the bike first but I guess as long as you make sure there's no loose grommets or anything that can fall off you should be fine. @Jiggles knows about riding with out fairings I believe. Before you go riding off let the bike warm up a good amount on the stand to see if the leak starts before you even need to ride it.
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June 17th, 2013, 04:54 PM | #9 |
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Name: Sean
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Yea it works fine
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June 17th, 2013, 06:01 PM | #10 |
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Check your forks for a leak. I had mine leak once and that sludge was showing up everywhere from falling off the fork. It would mix with the brake dust to make the sludge then dropped on the rim and flung right back into the engine / front fairing.
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June 17th, 2013, 06:09 PM | #11 | |
ninjette.org member
Name: Thomas
Location: Ontario
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How would I go about diagnosing and fixing such a leak? |
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June 17th, 2013, 06:40 PM | #12 | |
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June 17th, 2013, 06:53 PM | #13 |
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Don't get brake cleaner on plastics. It will leave a nasty white haze
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June 17th, 2013, 07:45 PM | #14 |
ninjette.org member
Name: Thomas
Location: Ontario
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Thanks. Plastics as in fairings? or are there any plastic parts on the underside of the motor I should worry about? It looks like all metal and rubber to me.. All the fairings are taken off currently.
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June 17th, 2013, 07:49 PM | #15 | |
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June 17th, 2013, 08:09 PM | #16 | |
ninjette.org member
Name: Thomas
Location: Ontario
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June 17th, 2013, 09:06 PM | #17 | |
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June 17th, 2013, 09:45 PM | #18 | |
ninjette.org member
Name: Thomas
Location: Ontario
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Any way to tell if its a tear? Or just use the seal mate, pump the shocks a few times and if oil is still coming out, it's probably a tear? Also, how did you use the seal mate? These shocks looks much different than the video... Are they upside down from the ones in the video, so I'd use the tool upside down compared to video? And pull the dust seal up instead of pushing down? Haven't looked to closely yet.. |
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June 18th, 2013, 04:12 AM | #19 |
Fast-Guy wannabe
Name: Jason
Location: Brentwood, Ca
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You can take a 1gal milk jug and cut your own out of the flat section. All you need is the shape of the little hook tip made out of thin plastic. It's worth trying while your waiting then when the real thing shows up give it another go just for the hell of it.
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June 18th, 2013, 04:56 AM | #20 |
Long Time Rider
Name: Blue
Location: Charlotte, NC
Join Date: Sep 2010 Motorcycle(s): 2009 Kawasaki Ninja 250R Posts: A lot.
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All of that oil leaking is not just from the forks. There's no way for all that oil to leak from a fork on the right to wind up under the sprocket cover and engine on the left. Some of it (the thickest black goo) may be excessive lube being flung off the chain and leaking down as well.
In the video you where more concerned with the oil at the bottom of the fork tube. What I briefly saw at the top was more concerning. Was the brown stuff dirt, rust, or sticky oil? What is the condition of the inner fork pipe? (clean, smooth, pitted, rusted, scratched) If you clean the forks good, then pump them a few time afterwards you'll be able to tell if the fork seal is bad. Also the wheel seal (around the axle)on the right front looks like it needs replacing. Brake dust usually is not that clumpy, but sand and metal shavings are. So that you don't damage your plastic fairings, use some very hot water and Dawn to help remove the oily grime. I use some in a spray bottle to reach tight areas. Just because your oil level is still within spec, does not mean you do not have a tiny leak. A tiny bit of oil spreads a long way. If i were you i'd thoroughly clean the bike, then try to locate any potential sources of leaks. One area in particular, the stator cover. |
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June 18th, 2013, 05:21 AM | #21 | |
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Name: Cody
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As others have said, that may not be your only problem and you should definitely look into finding any other problems that might exist as well. As far as the sludge, you have to consider that its not only brake dust and oil, but everything your tire is kicking up from the road which just sticks to it. If you have done wheelies and such the fork seal could be done for and need replacement anyway. Your seal seems to be leaking a lot but hopefully its just alot of debris.
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June 18th, 2013, 07:40 AM | #22 |
n00b with the b00bs
Name: Jen
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Yeah. Break cleaner is bad for all plastic, rubber, electronics, and most paint. Use Simple Green to clean off the oil. It emulcifies the substances and breaks it down in a way that is safe for plastic and rubber. I would NOT spray brake cleaner on any park of my bike except the brakes!
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June 18th, 2013, 10:23 AM | #23 | ||||||||
ninjette.org member
Name: Thomas
Location: Ontario
Join Date: Jun 2012 Motorcycle(s): 2008 Ninja 250R - Kawi Green Posts: 138
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The inner fork pipe is super smooth and shiny on the area that goes into the lower tube, just above that looks like it has tiny little rust spots. How bad is this? I'll pump the forks and see how much comes out tonight. Quote:
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June 18th, 2013, 12:08 PM | #24 |
Long Time Rider
Name: Blue
Location: Charlotte, NC
Join Date: Sep 2010 Motorcycle(s): 2009 Kawasaki Ninja 250R Posts: A lot.
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June 18th, 2013, 12:16 PM | #25 |
Long Time Rider
Name: Blue
Location: Charlotte, NC
Join Date: Sep 2010 Motorcycle(s): 2009 Kawasaki Ninja 250R Posts: A lot.
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Hard dirt, grime and rust can sometimes be a cause for the fork seal to leak. I'd clean and inspect the whole fork just in cause when you replace the seal.
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June 18th, 2013, 12:47 PM | #26 |
ninjette.org member
Name: Thomas
Location: Ontario
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June 18th, 2013, 01:07 PM | #27 | |
sail away
Name: Jon
Location: San Jose
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After you clean up your bike, you can use talcome powder (climbing chalk) to help you trace leaks. Most of the time, they travel down and back, so the source is usually up or forward.
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