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Kz750b engine mount bolt size question 10 Aug 2021 07:43 #853501

  • Dan77kz750
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Brought an old bike back to life recently. Apparently at some point a previous owner decided the Lower most mounting bolts weren't needed. I'd like to replace them. What size bolts should be used? 

My manual lists torques but not size. 
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Last edit: by Street Fighter LTD.

Kz750b engine mount bolt size question 10 Aug 2021 09:08 #853508

  • DoctoRot
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M10 x 325mm. your best bet is to buy some all thread or solid rod and cut threads, then use a nut on both sides. I oversized all the engine mounts on my 750 to 7/16" to remove factory slop and use a nut on each end.
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Kz750b engine mount bolt size question 10 Aug 2021 09:09 #853509

  • TexasKZ
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Partzilla sez....

10 X 325

See reference number 41
www.partzilla.com/product/kawasaki/92001...4439ab444fbee2a48a11
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
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Kz750b engine mount bolt size question 10 Aug 2021 12:31 #853521

  • Dan77kz750
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So 325mm long? That should be something just shy of 13in. Is this supposed to be a single bolt that goes from side to side and not two sperate bolts?

If so I can see why all thread would make for a good solution. 

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Kz750b engine mount bolt size question 10 Aug 2021 15:27 #853535

  • martin_csr
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Before buying new bolts, be mindful of the size of the bolt heads & nuts. If too big, they may not fit, especially in the engine case channels.

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