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1973 MX250 Air box seal

  • hackman101
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1973 MX250 Air box seal was created by hackman101

I see this part is not available anywhere online, Ebay or anyplace. It seems like it just doesn't exist anymore. Is there a chance that any of you guys happen to have this part intact on your bike so I can get a description, if not a picture of the piece all by itself? I would like to try to mimic something to make it work for my motorcycle. 

imgur.com/a/JMRPrDA

imgur.com/WlU1ue5

I'm having a hard time getting my pictures to even show up in imigur. I don't know if this link is going to work at all.

My verbal description of it is there is a seal for the top of the air box along with a part called "Patch".

Again I was hoping one of you guys might have something like that. The seal that goes over top of the air box of a 1973 MX250 
I picture it being a very coarse very breathable foam and this piece called the patch is like a strap that keeps it in place but it's got screws in it somehow or something.
Thanks so much! 
 
1973 MX250
Past rides 45 years ago (and longer)
1964 Honda 50cc C110
1960s Yamaha 65cc scooter
1960s Honda 65cc w/ 90cc engine mashup
1971 DT1-E modified to MX kinda...
Last edit: 19 Jan 2026 20:43 by hackman101. Reason: Added another link
19 Jan 2026 20:37 #1

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  • pabdt
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Replied by pabdt on topic 1973 MX250 Air box seal

not the part I see on partzilla. the part they list is on ebay though.
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1969 Yamaha CT1 175
1974 Yamaha DT125A
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
19 Jan 2026 21:45 #2

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