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| revs v mph XB9 and XB12s https://ukbeg.com/forum/viewtopic.php?f=7&t=4111 |
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| Author: | midlifecrisis [ 21 Dec 2009 21:58 ] |
| Post subject: | revs v mph XB9 and XB12s |
hi all. can you folk tell me what speedo speed your XB does at say 3000rpm in top gear. just trying to see how different final drive ratio is between both bike's. Tam. |
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| Author: | gunter [ 22 Dec 2009 07:37 ] |
| Post subject: | Re: revs v mph XB9 and XB12s |
overall ratio: 4.7 (XB9) vs. 3.6 (XB12) final ratio: 2.4 primary ratio: 1.6 (XB9) vs. 1.5 (XB12) |
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| Author: | edd [ 22 Dec 2009 08:30 ] |
| Post subject: | Re: revs v mph XB9 and XB12s |
Or if you are sad like me; XB9 = 4.03595 to 1 = 18.33mph/1000 = 55mph @ 3000. XB12 = 3.6111 to 1 = 20.487mph/1000 = 61.5mph @ 3000. Approximately! |
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| Author: | midlifecrisis [ 22 Dec 2009 11:12 ] |
| Post subject: | Re: revs v mph XB9 and XB12s |
guys exactly what I needed
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