| Unidentified nut fell off during oil change | |
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+6Mech 1 twa oldwingguy The Bern Easyrider Jim Caudill Dan Average 10 posters |
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Dan Average Scooter Rider

Number of posts : 3 Location : Texas Points : 1441 Registration date : 2019-12-25
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Jim Caudill Scooter Rider

Number of posts : 39 Age : 72 Location : Near Dayton, Ohio Points : 2149 Registration date : 2018-03-02
 | Subject: Re: Unidentified nut fell off during oil change Wed Dec 25, 2019 10:50 pm | |
| Those are typically used to hold plastic panels in place and are usually accompanied by a sleeve or bushing that is inserted thru the oversize hole in the plastic. The sleeve allows the nut to be tightened securely without compressing the plastic and preventing it from moving slightly during temperature swings. It also keeps from compressing and breaking the plastic. I own a Silverwing, Reflex, and Helix (sold a Honda Spree) and have seen those nut a lot of times. I seem to recall them being used on the exhaust studs of one of the scooters as well. I'm guessing the Silverwing would use a larger nut on the exhaust and that nut shows no sign of being heated. I would look into the air cleaner and muffler "chamber" for the air cleaner system. The 6mm variety (uses 10mm wrench) are all over on the body panels of the Spree, but I can't place them on the Silverwing at the moment. All my Hondas are in storage for the winter away from my house. I only have my antique Salsbury and total-electric R Martin scooters here right now - and I rode them both today. |
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Easyrider Silver Wing Guru


Number of posts : 1012 Age : 73 Location : HI Points : 3991 Registration date : 2015-12-18
 | Subject: Re: Unidentified nut fell off during oil change Thu Dec 26, 2019 12:53 am | |
| By the looks of the nut, I have not seen any nut like that on my Swing. I have seen similar caps on lug nuts for cars and trucks. You probably picked it up from the road. |
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The Bern Silver Wing Expert


Number of posts : 897 Location : Telford, UK Points : 4272 Registration date : 2014-11-20
 | Subject: Re: Unidentified nut fell off during oil change Thu Dec 26, 2019 6:46 am | |
| Looks like exhaust header nut to me bud |
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oldwingguy Silver Wing Guru

Number of posts : 1936 Location : Hocking Hills U.S.A. Points : 5003 Registration date : 2016-01-29
 | Subject: Re: Unidentified nut fell off during oil change Thu Dec 26, 2019 9:23 am | |
| - The Bern wrote:
- Looks like exhaust header nut to me bud
As said nice and clean no sign of getting hot, if you are the 2nd owner or more it might be a where did that nut go as they heard the " clink " of it disappearing to places unknown, now you know. |
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Mech 1 twa Silver Wing Guru


Number of posts : 1369 Location : Allentown PA. Points : 4355 Registration date : 2016-01-02
 | Subject: Re: Unidentified nut fell off during oil change Thu Dec 26, 2019 8:13 pm | |
| - The Bern wrote:
- Looks like exhaust header nut to me bud
The Bern is right. Found some on Ebay exact nut and they are a little rusty but no signs of heat. Quality of older Honda parts is impressive. Newer stuff.  Found a rock or two in lowers but anything can disappear if dropped.  Here is a nice photo of a rock wedged between sub-frame and transmission of a 2002 Accord.. It was tight and took a large prybar and carefully placed piece of wood not to split the trans. case. |
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Loosemarbles Site Admin

Number of posts : 1503 Age : 62 Location : South East England Points : 4286 Registration date : 2016-10-01
 | Subject: Re: Unidentified nut fell off during oil change Fri Dec 27, 2019 12:14 pm | |
| The only part of my SW which I haven't 'touched' is the engine. I haven't come across anything like that during all my dismantling/reassembling work. Check the parts manual. It does seem rather shiny for an exhaust nut though! |
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The Bern Silver Wing Expert


Number of posts : 897 Location : Telford, UK Points : 4272 Registration date : 2014-11-20
 | Subject: Re: Unidentified nut fell off during oil change Fri Dec 27, 2019 3:17 pm | |
| - Loosemarbles wrote:
- ..//.. It does seem rather shiny for an exhaust nut though!
Oh ye of little faith, some of us 'old hands' like to fit long dome nuts so that there is no exposed thread on the stud to get corroded ....... https://www.bertrumsbikebits.co.uk/product/honda-yamaha-kawasaki-suzuki-m6-m-6-chrome-exhaust-dome-nuts-set-of-2/ |
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AldusFran Maxi-Scooter Rider

Number of posts : 196 Age : 77 Location : Tucson,AZ Points : 3313 Registration date : 2015-06-13
 | Subject: Re: Unidentified nut fell off during oil change Fri Dec 27, 2019 5:37 pm | |
| I have to agree with Easyrider, that looks like a wheel lug nut. If it's 3/4" outside diameter then it is a lug nut. |
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Dan Average Scooter Rider

Number of posts : 3 Location : Texas Points : 1441 Registration date : 2019-12-25
 | Subject: Re: Unidentified nut fell off during oil change Sat Dec 28, 2019 2:47 pm | |
| Thanks for all the replies! It was indeed part of the exhaust system, one of four identical nuts holding the manifold. I was able to find where it belongs and (despite a very tight fit) get it back in place. It looks like the previous owner might've run into the same problem, since one of the four nuts had been replaced by a more conventional capless variety. |
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oldwingguy Silver Wing Guru

Number of posts : 1936 Location : Hocking Hills U.S.A. Points : 5003 Registration date : 2016-01-29
 | Subject: Re: Unidentified nut fell off during oil change Sat Dec 28, 2019 8:07 pm | |
| Wonder how long it was where you found found after it came off, or was dropped. |
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exavid Silver Wing Guru

Number of posts : 2658 Age : 80 Location : Medford, Oregon Points : 8039 Registration date : 2009-07-17
 | Subject: Re: Unidentified nut fell off during oil change Sun Dec 29, 2019 11:19 pm | |
| Odd, I've never heard a cap nut called a dome nut. Might be a transatlantic thing. |
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Siataukreg Super Scooter Rider


Number of posts : 219 Age : 69 Location : uk saddleworth Points : 3667 Registration date : 2014-08-24
 | Subject: Re: Unidentified nut fell off during oil change Mon Dec 30, 2019 5:21 am | |
| exhaust front pipe nut thats what it is |
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| Unidentified nut fell off during oil change | |
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