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Author Topic: O - Ring Size for Hinson Clutch cover ?  (Read 271 times)

Offline Justin4141

O - Ring Size for Hinson Clutch cover ?
« on: December 10, 2025, 01:45:37 AM »
Was just wondering if you guys can help me out with the size of the o-ring for the inner Hinson clutch cover before I go to the hardware store an play a guessing game on the o-ring size…


Offline 2ndmoto

Re: O - Ring Size for Hinson Clutch cover ?
« Reply #1 on: December 10, 2025, 04:17:21 PM »
Should be able to measure the ID of the case groove with a tape measure. If you have calipers, I would measure the depth of the groove. Target an oring cross section ~0.5mm larger. A good website to use is McMaster Carr. With ID and cross section you should be able to find a standard size that you can cross reference to your local hardware store.

Unfortunately I don't have a case readily available to measure.

Best regards
-Jason

Offline Justin4141

Re: O - Ring Size for Hinson Clutch cover ?
« Reply #2 on: December 11, 2025, 05:54:58 AM »
Found out it’s  140mm x 3mm

Offline croat1

Re: O - Ring Size for Hinson Clutch cover ?
« Reply #3 on: December 12, 2025, 08:07:53 AM »
As Jason stated McMaster Carr is my go to.  Great company.

McMaster Carr O ring number is:

1302N194

Joe
A few Laegers
1987 oem
2025 Yamaha Raptor 700R
Mission: Back to Basics.  On the trail or dune

 

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