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Can I reuse head gasket? 21 Nov 2020 22:40 #838731

  • Ojisan rider
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Aloha guys. And before you jump the gun and say never! here is my situation.

I have my engine sitting in my living room for now. rebuild it and it's almost complete. It's sealed and ready to install new clutch, both steel and friction. When this happen, engine will sit in the frame. BUT!! As I was going through my new parts collection, I found that I forgot to install the front cam chain guide (new)!! No, I didn't rush. For some reason, it completely slipped out of my mind. Hate getting old..........................

Anyway, above is the reason for my question. I need to take the head off to install it. Head has been torqued but never ran. Can I re-use it? I will probably replace the o-ring, and I need to order some other small stuff, so buying the stuff is no problem. But if I can save few bucks, I'm leaning towards just that, thanks to COVID (Like everything else, need to balance the budget due to hour cut).

Any thought on this?
82' KZ750-R1 cafe racer style. Clip-on, Rear set, Fork-Brace, Mikuni Flat-slide (forgot the size), Kerker.
84' GPz750 (basket case). everything are in pieces.
89' ZX750-H1 (ZX-7 Ninja). Resurrection project are on going with my KZ750. Everything is stock.

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Can I reuse head gasket? 21 Nov 2020 23:44 #838732

  • kevski
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Yes, as it has not been run nothing has settled into shape even the o rings will be fine if they are new.

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Can I reuse head gasket? 22 Nov 2020 01:56 #838733

  • howardhb
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kevski wrote: Yes, as it has not been run nothing has settled into shape even the o rings will be fine if they are new.


I agree.
'81 GPz 550 D1 Click this link: kzrider.com/gallery/upload-picture/kz-550/my-gpz-550-d1-9013
'82 Yamaha YB100 Fizzie

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Can I reuse head gasket? 22 Nov 2020 05:09 #838735

  • hardrockminer
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If they are undamaged I would probably take a chance and re-use them. Any damage at all and I would replace.
I have a couple of Z1B's restored, an '80 KZ1000LTD restored, a 1981 KZ550 restored and a 2008 KLR 650 for off road fun. My wife has a 2019 Suzuki DR 650 for on and off road.

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Can I reuse head gasket? 22 Nov 2020 06:09 #838737

  • Street Fighter LTD
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hardrockminer wrote: If they are undamaged I would probably take a chance and re-use them. Any damage at all and I would replace.

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Original owner 78 1000 LTD
Mr Turbo Race Kit, MTC 1075 Turbo pistons by PitStopPerformance , Falicon Ultra Lite Super Crank, APE everything. Les Holt @ PDM's Billet Goodies . Frame by Chuck Kurzawa @ Logghe Chassis . Deep sump 5qt oil pan. RIP Bill Hahn

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Can I reuse head gasket? 22 Nov 2020 07:59 #838740

  • ckahleer
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I have done the same once or twice. Torqued down a head then had to remove it for some reason. Didn't cause a problem.
I tend to torque heads near the lower end torque range, than if this happens, to the upper torque value on the second go.

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Can I reuse head gasket? 22 Nov 2020 14:54 #838748

  • Ojisan rider
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Thanks for all your advice guys.

You guys just save me $130+. I will reuse it and hope it will work out.

Thanks!
82' KZ750-R1 cafe racer style. Clip-on, Rear set, Fork-Brace, Mikuni Flat-slide (forgot the size), Kerker.
84' GPz750 (basket case). everything are in pieces.
89' ZX750-H1 (ZX-7 Ninja). Resurrection project are on going with my KZ750. Everything is stock.

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