Help with KZ750 engine Freaking out.

  • JohnLuke
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21 Jun 2018 14:39 #785606 by JohnLuke
Replied by JohnLuke on topic Help with KZ750 engine Freaking out.
Also, both “K” stamps are faced towards the front. So I’m really puzzled as to why that rod cap is upside down.

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  • SWest
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21 Jun 2018 18:11 #785622 by SWest
Replied by SWest on topic Help with KZ750 engine Freaking out.
The cases are line bored so the caps have to facing the right way.
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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21 Jun 2018 18:55 #785624 by JohnLuke
Replied by JohnLuke on topic Help with KZ750 engine Freaking out.
Not sure what you mean by, “ line bored” meaning they’re in the right way?

Thanks!

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22 Jun 2018 12:17 #785659 by JohnLuke
Replied by JohnLuke on topic Help with KZ750 engine Freaking out.
Tell me if I’m wrong but from what I have said/seen, all should be in order. The “K” markings match up and the oil ports are facing the rear. The only thing is that one connecting rod cap is upside down. No sure why, because the oil ports is facing the rear, (and that’s the way it’s supposed to face). The stamp is right. Like it matches up perfectly.

So from all that I assume it’s done, correct?

Thanks for everyone’s input!

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  • SWest
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22 Jun 2018 14:16 #785668 by SWest
Replied by SWest on topic Help with KZ750 engine Freaking out.
Hope so. :unsure:
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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22 Jun 2018 15:24 #785671 by Nessism
Replied by Nessism on topic Help with KZ750 engine Freaking out.
Is the lettering on the rod caps all facing the same direction as you view them from one side of the engine? If not you may have one of the rod caps rotated 180 degrees.
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread

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22 Jun 2018 15:43 #785672 by SWest
Replied by SWest on topic Help with KZ750 engine Freaking out.
That wouldn't be good. They are bored as a set. If reversed they could bind.
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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  • JohnLuke
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22 Jun 2018 15:53 #785675 by JohnLuke
Replied by JohnLuke on topic Help with KZ750 engine Freaking out.
If you’re referring to the weight stamps on the engine than yes!

If you’re referring to the lettering on the bottom of the rod caps reading “3 - 49”, than no. :(

Thanks!

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22 Jun 2018 16:28 #785677 by JohnLuke
Replied by JohnLuke on topic Help with KZ750 engine Freaking out.
My thinking is that if the oil ports on the connecting rod are facing backwards. And all the weight stamps are facing forward. Than it doesn’t matter what the connecting rod caps say. Whether or not the “3 - 49” is facing the same direction as the others, it doesn’t matter does it?

Thanks!

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22 Jun 2018 18:35 #785686 by Nessism
Replied by Nessism on topic Help with KZ750 engine Freaking out.

JohnLuke wrote: If you’re referring to the weight stamps on the engine than yes!

If you’re referring to the lettering on the bottom of the rod caps reading “3 - 49”, than no. :(

Thanks!


Yes, this is what I was referring too. Those numbers are there when the rods are forged and all lettering should face the same way I think.
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0

www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know

1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread

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  • JohnLuke
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22 Jun 2018 18:39 #785687 by JohnLuke
Replied by JohnLuke on topic Help with KZ750 engine Freaking out.
Ya think! It cant be! The weight marks all line up! If i switch it right side up the marks won’t line up.

So I don’t know what’s what anymore.

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23 Jun 2018 08:09 #785716 by JohnLuke
Replied by JohnLuke on topic Help with KZ750 engine Freaking out.
I was talking with a guy from a local Kawasaki dealer, and he said that all that “really” matters is that the notches in the bearings are on the same side opposing each other.

So I’ll go ahead and check that out. While I have the oil pan off.

Thank!

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