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Question of torque specifications

  • AirborneSilva
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Question of torque specifications was created by AirborneSilva

In the manuals the torque specs list sizes, i.e. 6mm, 7mm etc. but what I have a question with is, are they talking about the size of the bolt or are they talking about the size of the wrench/socket used?  always wondered about that...  Thanks!
2023 Tenere T7
1976 DT400C
1975 DT400B
1973 RT3
1981 DT175H
1980 GT80
1972 CT2
11 Sep 2022 07:42 #1

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Replied by Gr8uncleal on topic Question of torque specifications

Hello Tony.

My interpretation is that they are referring to the diameter of the bolt.
11 Sep 2022 07:46 #2

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  • AirborneSilva
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Replied by AirborneSilva on topic Question of torque specifications

Hi Alan, thanks for the reply.  I was always able to find specs for things like head bolts and flywheel but I was looking for torque specs for motor mounts and couldn't find any, just wanted to check mine on the DT2. 
2023 Tenere T7
1976 DT400C
1975 DT400B
1973 RT3
1981 DT175H
1980 GT80
1972 CT2
11 Sep 2022 08:14 #3

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Replied by Tom P on topic Question of torque specifications

The torque chart in my '71 to '73 combined shop manual lists the nut and bolt size, then the torque. For example a 22 mm nut would be on a 14 mm bolt, which should be 33 to 37 ft lb. A 30 mm nut would be on a 20 mm bolt, and should be 50 to 60 ft lb.
11 Sep 2022 09:12 #4

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  • AirborneSilva
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Replied by AirborneSilva on topic Question of torque specifications

Thanks Tom, would be nice to have one of those charts that list both nut and bolt size for those easily confused like me

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2023 Tenere T7
1976 DT400C
1975 DT400B
1973 RT3
1981 DT175H
1980 GT80
1972 CT2
11 Sep 2022 09:22 #5

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Replied by Tom P on topic Question of torque specifications

You can find it in the tech library in the manual I mentioned on page 138. Most often I just torque to good'n'tight ft lbs ;o)

www.yamaha-enduros.com/index.php/service...-and-parts-catalogue
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Last edit: 11 Sep 2022 09:33 by Tom P.
11 Sep 2022 09:30 #6

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  • AirborneSilva
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Replied by AirborneSilva on topic Question of torque specifications

Thank you for the link, wasn't sure what bike you were talking about.  Thanks again!
2023 Tenere T7
1976 DT400C
1975 DT400B
1973 RT3
1981 DT175H
1980 GT80
1972 CT2
The following user(s) Liked this Post: Tom P
11 Sep 2022 09:37 #7

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Replied by Ht1kid on topic Question of torque specifications

Tom P me too on good and tight.  I  use a torque wrench on the head bolts I guess I’ve been wrenching for over 50 yrs just kinda know Or until the bolt snaps haha
The following user(s) Liked this Post: Tom P
11 Sep 2022 09:56 #8

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