KZ750H Restoration

  • calum
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12 Apr 2020 14:02 #823174 by calum
Replied by calum on topic KZ750H Restoration
So, just repaired the wiring on the fuel sensor - all good.

Thanks again loudhvx, if you hadn't told me what was going on I probably wouldn't have waited long enough for the light to go on.
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12 Apr 2020 14:34 - 12 Apr 2020 15:10 #823184 by calum
Replied by calum on topic KZ750H Restoration
All ready and waiting for me to finish painting the tank...

EDIT: looks like the vacuum pipe fitting is on the wrong side (according to the parts diagrams - it was on the same side as in my photo when I got the bike), something to do tomorrow I guess.

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Last edit: 12 Apr 2020 15:10 by calum.

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12 Apr 2020 16:31 #823190 by Skidmark
Replied by Skidmark on topic KZ750H Restoration
Your petcock came out a lot nicer than mine did, I still have to work on cleaning my low fuel switch a bit better, but now I know how to test it!

Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker (lost in the shop fire)

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12 Apr 2020 16:50 #823191 by calum
Replied by calum on topic KZ750H Restoration
Mine were in a *lot* better condition when I started out :)

By the way, the original o-rings for the tap are so much better than the one in the rebuild kit. Really smooth and easy to turn - let's just hope nothing leaks!

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13 Apr 2020 20:03 - 13 Apr 2020 20:03 #823282 by DoctoRot
Replied by DoctoRot on topic KZ750H Restoration

calum wrote: Cockpit done :)


setting standards for a resto right there. nice work.
Last edit: 13 Apr 2020 20:03 by DoctoRot.
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13 Apr 2020 20:29 #823284 by 650ed
Replied by 650ed on topic KZ750H Restoration
Looks better than new!!! Very nice!!! Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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14 Apr 2020 05:01 - 14 Apr 2020 05:01 #823306 by calum
Replied by calum on topic KZ750H Restoration
Thanks guys :)

Just went to put the new OEM base gasket on (11060-1348). It just disintegrated trying to get it over the four corner studs. It was really tight and although I tried to put even pressure on from all sides it just split. Before I threw it in the trash I bent it in a few places and it seemed really brittle.

Is this normal? I'm thinking I'll cut the tabs off the corner holes on the next one, don't want to risk waiting even longer to get the engine back together.
Last edit: 14 Apr 2020 05:01 by calum.

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15 Apr 2020 23:12 #823466 by DoctoRot
Replied by DoctoRot on topic KZ750H Restoration
thats the problem with buying NOS gaskets. I have had similar experiences. they should be semi-pliable if you are going to use them, brittle gaskets fail. not all NOS gaskets are brittle but if its 40 years old....
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19 Apr 2020 17:41 #823695 by calum
Replied by calum on topic KZ750H Restoration
Thanks Vic, I went for the metal gasket second time around (11060-1726). Think I'll stick with them in the future, the surfaces are pretty good on the crankcase and block so shouldn't have any leaks (fingers crossed).

Got the top end back together today (replaced the stud that was too long). Had a choice of head gaskets as I got all three pretty cheap. Went with the oldest one as I will definitely be pulling the head next winter. Will try the MLS one next year.



Got some stickers on ebay for the brake callipers. Look pretty decent (need to do some dusting though).





Finally got the new coil brackets painted as well. Will put them on tomorrow and get the exhaust back on as well.



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20 Apr 2020 11:45 #823736 by calum
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Got the coils and exhaust back on. I guess it's time to get to work on the tank :)

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20 Apr 2020 12:39 #823742 by Skidmark
Replied by Skidmark on topic KZ750H Restoration
Nice... I hope your tank is in better shape than mine!

Retired gearhead
'81 KZ-750 E2
'87 Suzuki Savage 650 Street Tracker (lost in the shop fire)

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20 Apr 2020 13:41 #823754 by calum
Replied by calum on topic KZ750H Restoration
Thanks. There's a bit of surface rust as I was a bit careless putting it in storage (should have sprayed some wd-40 in there). Should only need a quick soak though. The major is getting the dents sorted.

Some of the old filler even survived the sandblastng. I just filled it again last summer, primed it and have let the new bog settle. Now I just need to do a bit of touch up work.



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