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Nightrider '84 KZ750 LTD Shafty Cafe 23 Apr 2015 10:04 #669285

  • Surt
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days under cover
all washed up a few times

the ignition point breaker cover was cracked and one piece missed at all





cant even see the restored place/patch can ya?








others were just cleaned up and freed from windows, seals etc

powder coated everything naturally











ZN750 Ltd Shaft (non-USA)

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Last edit: by Surt.

Nightrider '84 KZ750 LTD Shafty Cafe 23 Apr 2015 18:30 #669345

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Your work is amazing!!!! Keep the update coming, please!!!
1980 KZ750H LTD-- pods-- vance & hines 4-1 --speedo/tach/blinker/switch deletes -- brat style

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Nightrider '84 KZ750 LTD Shafty Cafe 24 Apr 2015 11:00 #669422

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Please check out the green Athena gaskets others have used on here ...... Base gaskets failing ....many say they are junk and most including me went for NOS....

Wishing I have 1 tenth of your energy ...... some very nice work.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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Last edit: by KZB2 650.

Nightrider '84 KZ750 LTD Shafty Cafe 26 Apr 2015 13:19 #669647

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thanks heaps mates, appreciate your support
no worries i shall proceed on the ride until its finished and then i'll start another one and the only thing that can prevent me from post whoring on here is some bloke with a big or small stick telling me how to lead my thread, what to do and what not to lol
now heres a question: a valve #8 shim was broken and it was 2.05mm thick while other shims have different thickness like 2.3, 2.4mm etc is it because of wear or every shim's sorted out to correspond the valve clearance?
ZN750 Ltd Shaft (non-USA)

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Last edit: by Surt.

Nightrider '84 KZ750 LTD Shafty Cafe 26 Apr 2015 17:19 #669675

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I believe they correspond to each valve... Will double check my manual for u here in a few mins, but I'm 99% sure they correspond....
1980 KZ750H LTD-- pods-- vance & hines 4-1 --speedo/tach/blinker/switch deletes -- brat style

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Nightrider '84 KZ750 LTD Shafty Cafe 27 Apr 2015 14:53 #669792

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Randombeat wrote: I believe they correspond to each valve... Will double check my manual for u here in a few mins, but I'm 99% sure they correspond....


thanks Randombeat, would be nice of you
ZN750 Ltd Shaft (non-USA)

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Nightrider '84 KZ750 LTD Shafty Cafe 27 Apr 2015 14:59 #669793

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forgotten to show off with a few pics on the ignition point breaker cover repairing





ZN750 Ltd Shaft (non-USA)

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Nightrider '84 KZ750 LTD Shafty Cafe 27 Apr 2015 17:31 #669802

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What's the pointy thing welded on the cover? Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Nightrider '84 KZ750 LTD Shafty Cafe 27 Apr 2015 17:56 #669806

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Surt wrote:

Randombeat wrote: I believe they correspond to each valve... Will double check my manual for u here in a few mins, but I'm 99% sure they correspond....


thanks Randombeat, would be nice of you



Checked the FSM and yes, they are independant, at least in my bike. (1980 kz750h1 ltd, inline 4 cylinder)

Hope that helps!
1980 KZ750H LTD-- pods-- vance & hines 4-1 --speedo/tach/blinker/switch deletes -- brat style

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Nightrider '84 KZ750 LTD Shafty Cafe 29 Apr 2015 13:42 #669993

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Surt wrote: now heres a question: a valve #8 shim was broken and it was 2.05mm thick while other shims have different thickness like 2.3, 2.4mm etc is it because of wear or every shim's sorted out to correspond the valve clearance?


These shims are used to adjust the clearance between the valve assembly and the camshaft lobe. Each valve assembly is a slightly different length, and the seated (closed) position of each valve changes over time as the valve wears. Periodic valve clearance adjustment is necessary, and this adjustment is done by replacing the current shim with a slightly smaller or larger shim.

If you don't have the factory service manual, you should try to find one. It will have detailed instructions on how to measure and adjust the valve clearance using these shims.
'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100

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Last edit: by DOHC.

Nightrider '84 KZ750 LTD Shafty Cafe 29 Apr 2015 14:55 #670009

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upgraded my homemade valve tool with the ally bugger then disassembling has become easy as





valves, seats and sleeves are perfect



but stem seals are somewhat jammed from outside, i wonder if its usual for these engines? anyone in the know?

ZN750 Ltd Shaft (non-USA)

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Nightrider '84 KZ750 LTD Shafty Cafe 29 Apr 2015 15:38 #670019

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dohc wrote:

Surt wrote: now heres a question: a valve #8 shim was broken and it was 2.05mm thick while other shims have different thickness like 2.3, 2.4mm etc is it because of wear or every shim's sorted out to correspond the valve clearance?


These shims are used to adjust the clearance between the valve assembly and the camshaft lobe. Each valve assembly is a slightly different length, and the seated (closed) position of each valve changes over time as the valve wears. Periodic valve clearance adjustment is necessary, and this adjustment is done by replacing the current shim with a slightly smaller or larger shim.

If you don't have the factory service manual, you should try to find one. It will have detailed instructions on how to measure and adjust the valve clearance using these shims.


yup dohc ive heard about what the shims are for just wondered why such a big difference in them
i will sure check the clearences by a mockup assembling (head+cams+shims)

i do have a few pdf manuals but they are a real mess to look in, the text of poor quality and the pics are even worse
so usually i take my own pics while disassembling anything to use it as a manual on the way back
ZN750 Ltd Shaft (non-USA)

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