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1979 Mk2 restoration (Operation Boomerang)

Work in Progress

Moderators: chrisu, paul doran, Taffus, KeithZ1R

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Simonic
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Re: 1979 Mk2 restoration (Operation Boomerang)

#16 PostAuthor: Simonic » Tue Jan 22, 2019 8:28 pm

Shame about the fin damage. I've just got the top of my ST. #2 was low on compression @ 70 and the fluid I checked it with leaked out quite quickly
'83 ZX1100 '81 Z1000ST, '04 GSX1400, '19 Dodge Challenger Hemi

Russ
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Re: 1979 Mk2 restoration (Operation Boomerang)

#17 PostAuthor: Russ » Tue Jan 22, 2019 9:23 pm

Simonic wrote:Shame about the fin damage.

Fin damage easily fixed though and you won't be able to tell it's been repaired, especially if it's getting painted over.
Russ

Gavin
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Re: 1979 Mk2 restoration (Operation Boomerang)

#18 PostAuthor: Gavin » Sat Feb 02, 2019 11:20 am

A little more work / investigation on the engine, unfortunately I had a couple of 6mm bolts snap then borrowed an impact gun ( getting one of these) after starting with the gun every bolt came out quick and easy so much so I got a bit carried away with the strip down,
Found that the front cam chain guard is missing it looks like it snapped at the mounting bolt but is not in the engine and the bottom cam chain roller has seen better days
Z1000 MK2
Z1300 DFI

Philippe
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Re: 1979 Mk2 restoration (Operation Boomerang)

#19 PostAuthor: Philippe » Sat Feb 02, 2019 3:04 pm

Hi Gavin
since you're stripping the engine, replace the whole camchain system, chain, guide, rollers, rubbers, tensioner parts,...the engine will run much quiter afterwards. It costs a lot of money but now is the time to do it. Mind when you buy a new camchain; it has 124 links!!! not 122 like the older zeds.
GrtZ
Philippe
the differences between a little boy and an adult man is the price and size of their toys!

Gavin
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Re: 1979 Mk2 restoration (Operation Boomerang)

#20 PostAuthor: Gavin » Sat Feb 02, 2019 9:05 pm

Philippe.
Thanks for your info. I know about the 124 links on the cam chain, the upper guides are in very good condition with no play, I will be putting a new chain in while it motor is apart also a new front guide and a lower roller
01CAEF7D-20B1-44EB-A622-01A779EEF45F.jpeg
E5B0890E-54D9-422F-8202-C377EDC82E85.jpeg


Also pics of the motor so far
AB2EAFFC-9346-4BFA-9AA2-4549C0EEEBEA.jpeg
AC781066-CC1F-4AFB-B3D7-D0A2A167F047.jpeg
Z1000 MK2
Z1300 DFI

Philippe
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Re: 1979 Mk2 restoration (Operation Boomerang)

#21 PostAuthor: Philippe » Sun Feb 03, 2019 5:25 am

Hi Gavin
after seeing the condition of the lower roller, it's high time to change that one! If the upper guides are also the original ones, I would change them too! Keep in mind that these are also as old as the lower roller and that there's rubber in them..Keep also in mind that the front roller gets most of the tension ...
There are solid cam chain sprockets available, they perform better than the originals and last longer.
Just take a look at this link.
https://z-fever.de/shop/de/product_info ... kette.html
It would be a shame to put the engine together without changing the upper chain sprockets.
GrtZ
Philippe
the differences between a little boy and an adult man is the price and size of their toys!

Swirl
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Re: 1979 Mk2 restoration (Operation Boomerang)

#22 PostAuthor: Swirl » Sun Feb 03, 2019 7:39 am

Nice work, getting a comfy seat for the next installment

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Ultim8pc
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Re: 1979 Mk2 restoration (Operation Boomerang)

#23 PostAuthor: Ultim8pc » Thu Mar 21, 2019 10:08 pm

Eagerly awaiting your next updates as I have just bought a MK2.
http://www.airevalleyclassics.co.uk
10% discount code Z1OCTEN
Keyster rebuild kits & carburettor spares - airscrews, jets, needles, starter plungers & gaskets.
Also petrol/ethanol proof float bowl gaskets. IMD pistons preferred seller.

ZedHead
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Re: 1979 Mk2 restoration (Operation Boomerang)

#24 PostAuthor: ZedHead » Thu Mar 21, 2019 11:58 pm

Probably my favourite non round tank zed.

Watching and learning. Keep the posts coming

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hartyb
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Re: 1979 Mk2 restoration (Operation Boomerang)

#25 PostAuthor: hartyb » Fri Mar 22, 2019 2:04 pm

it would seem that i am also in this MK2 rebuild club keep up the good work
Z900A4, Z1000A1, Z1000ST E1,E2, Z1000Mk2 A3,Z1000H Z1R D1, z1000j3, Z1000P. Z900RS SE,
Z1300 A1,
GPZ1100 Unitrack, GPZ750E, GPZ 750Turbo, GPZ900r A1, A2, A6
ZZR1100 Purple and orange
KE175b, KE175F
along with some lesser makes :eek


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