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| 1275 Crankshaft Primary Gear Thrust Washer https://ausmini.com/forums/viewtopic.php?f=2&t=101102 |
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| Author: | Ramon Maurice [ Sun Aug 15, 2021 2:19 pm ] |
| Post subject: | 1275 Crankshaft Primary Gear Thrust Washer |
Hello fellow mini enthusiasts, I am currently in the middle of a rebuild of my 1275. I noticed that my thrust washer was a little worn, not horizontally, but vertically. ie: the internal diameter (46.1mm). I purchased a new thrust washer from a reputable source in the UK. On arrival I noticed that new thrust washer internal diameter 46.5mm, was 0.016 thou larger as such not usable. The stats on what I have are as follows: 1275 Crank thrust washer seat 45.9mm Old thrust washer internal diameter 46.1mm Slop between two 0.2mm or .008 Thou Does anyone know the specifications of the internal diameter of the thrust washer seat on a 1275 crank. The reason I ask is I'd like to know if someone has done some work to the crank before myself. That way I can make an informed decision on how to proceed. Either try to locate another Thrust washer or look to have one made to suit. Any informed comment is appreciated. Thanks in advance. |
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| Author: | winabbey [ Mon Aug 16, 2021 12:41 pm ] |
| Post subject: | Re: 1275 Crankshaft Primary Gear Thrust Washer |
I don't have the knowledge to answer your question but, in case it helps, here are the relevant pages from the Australian Mini parts book (click on an image to enlarge). Attachment: PUB1011 AE03-3 L.jpg Attachment: PUB1011 AE03-3 R.jpg Attachment: PUB1011 AE03A-1 R.jpg I think some of the thrust washers now have a DAM part number instead of 22A. See here - https://www.somerfordmini.co.uk/catalog ... ear+thrust |
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| Author: | Bill B [ Tue Aug 17, 2021 4:47 pm ] |
| Post subject: | Re: 1275 Crankshaft Primary Gear Thrust Washer |
I can't see why the internal diameter is a critical issue, as opposed to its thickness, to control primary gear end float. |
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| Author: | timmy201 [ Tue Aug 17, 2021 4:53 pm ] |
| Post subject: | Re: 1275 Crankshaft Primary Gear Thrust Washer |
Matt Read (the mini man) makes new thrust washers. He might be able to help you regarding the dimensions |
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