December 16th, 2009, 06:16 PM | #1 |
ninjette.org member
Name: Peter
Location: Deep South, USA
Join Date: Dec 2009 Motorcycle(s): 2009 Special Edition Ninja 250 a good memory, 2011 Suzuki DL 650 the new ride Posts: 131
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2009 model oil drain plug crush washer
I just change the oil on my new babay *sigh* and what found under the oil drain plug doesn't look like any crush washer I have ever seen before. It appears to be a simple stamped out aluminum washer, possibly machined on one side.
So I reused it. |
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December 16th, 2009, 07:57 PM | #2 |
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Name: John-Michael
Location: Texas
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Some people recommend changing them every oil change. I never have replaced one, not on any vehicle. Never had a problem either.
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December 16th, 2009, 08:27 PM | #3 |
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Name: Peter
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Thank you jccjmm
I'm sorry if I'm asking a dumb question here. When I read "crush washer" I expected a washer that is sort of like a tiny donut made of folded brass or copper that changes shape (gets thinner) when the bolt is tightened. is the aluminum washer a crush washer, of a different type, meant to be replaced? I just don't see how it is altered in any way by tightening, unlike the donut thing I described. Or is this washer a meant to be re used, a "not crush (able) washer" |
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December 16th, 2009, 10:24 PM | #4 |
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Name: Casey
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The stock washer looks like bare aluminum in color and is crushable.
It's very light weight. Lighter than any I could find at the hardware store. I had to get these from the dealer. Don't forget the O-ring for the oil filter. |
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December 16th, 2009, 10:28 PM | #5 |
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Name: Chris
Location: Huntsville, AL
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I would not replace it unless it was leaking, or if it was damaged. If it was a true crush washer I would replace it, but thats not the case.
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December 16th, 2009, 10:31 PM | #6 |
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If it's a stock washer it needs to be replaced after 2-3 changes max. Or if you over torque it. It will gum up your threads and cost you more money in the long run. It's really easy to smash it.
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December 16th, 2009, 10:37 PM | #7 |
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Name: Chris
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I seen what happens to crush washers when you don't replace them, but the washer that was on my drain plug did not look like a crush washer, it was not deformed at all.
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The Ninjette is not a disposable bike. You are not ever supposed to get rid of it. It is like a [friendly] herpes virus.... once you got it, you get keep it forever. Originally posted by-Headshrink |
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December 17th, 2009, 04:57 AM | #8 |
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Name: rock
Location: greenville, south carolina
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You should have no problems reusing it, I almost never replace these. I do like to reinstall them the way they come off, however (side that was against engine goes back against engine).
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December 17th, 2009, 07:11 AM | #9 |
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I think of a crush washer being more like the ones you would see on some spark plugs. I have always replaced mine, but would't worry about reusing it once or twice. Would just be sure to not "flip" it over. Cheap enough though.
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December 19th, 2009, 04:41 PM | #10 |
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The torque on the drain plug is 14.5 ft-lbs, if I recall. That isn't a lot of crushing power. I used to replace mine every time out of habit, and as a carry-over from doing cars. However, after seeing that the washers where barely scratched, I started reusing them.
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December 19th, 2009, 04:45 PM | #11 |
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I did go over 14.5ft,lbs the first time I changed the oil out on my bike because I forgot you use a torque wrench on these things and the washer will crush pretty easy. You'll see crush at about 20lbs I think.
It is what I would consider a crushable washer. It's the lightest density for it's size aluminum washer I've ever seen and it does crush and deform. The washers were $0.38 ea to replace. I bought 10 of them for under $4 and I don't have to think about it again now that I have the torque wrench. Sheesh I need to buy a 1/2" torque wrench and a 1/4" torque wrench now too. |
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January 9th, 2010, 07:05 PM | #12 |
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KC, If you check Nashbar.com, they have a great 1/4" Torque wrench for $60. Nashbar is a bicycle supply place. I have this wrench and it is really high quality---comes with the Allen sockets you need as well.
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January 9th, 2010, 08:38 PM | #13 |
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I have 18,000 and have never changed out my crush washer with no leaks so far. Although I think during my next oil change it would be a good idea to change it. Cheap insurance.
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January 14th, 2010, 01:35 PM | #14 |
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You won't find it in any hardware store. Some (not all) auto chain stores carry them, in the section where you'll also find replacement drain plugs. The size is M12.
I got a few at Advance Auto Parts (don't know if that's a regional or national chain). |
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January 14th, 2010, 02:57 PM | #15 | |
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Name: rock
Location: greenville, south carolina
Join Date: Jun 2009 Motorcycle(s): black Posts: A lot.
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Quote:
Get an inch/lb and a ft/lb... it's not the size of the drive that matters. Some fasteners will be torqued in ft/lbs (n/m) and some will be in in/lbs (cm/kgs). Three of my torque wrenches are 3/8" drive and one is 1/2" drive. I only pull out the 1/2" drive for things like head bolts.
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