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Resurection of 1967 MZ 175SE

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 Topic moved: from The Workshop to Show & Tell by stinkwheel (7 Oct 2019 - 21:38)
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 21:37 - 07 Oct 2019    Post subject: Reply with quote

dekip wrote:
Gear box isn't that smooth but i guess it is from that old oil that turn to a grease.


They used to put funny green stuff in the gearboxes that wasn't really oil, wasn't really grease. I have no idea what it is but it probably does go a bit odd over time. It smells bad.

That said, the gearboxes weren't exactly slick when they were new.

I've moved this to the show and tell section. Do keep posting your progress, I'm enjoying reading what you're doing. It's a welcome relief from "cafe racers".
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I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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Polarbear
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PostPosted: 22:04 - 07 Oct 2019    Post subject: Reply with quote

When I first got into biking in 1972 MZ's and CZ's were the joke of the biking world with CZ's being the worst.

It's funny now, all those cheap eastern European hacks are now desirable bikes (with the exception of the Voskhod Shocked ).

It will look great when finished. Thumbs Up
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Sister Sledge
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PostPosted: 07:56 - 08 Oct 2019    Post subject: Reply with quote

That bike is built to last - grease nipple on the swing arm pivot! Even the rear shocks have handles to adjust them. I expect the bike could be repaired with minimal tools too.

One thing: The oil in the cylinder - was it two stroke oil? Also, it will have formed a pool around the crank shaft below so make sure to drain it all out. DO NOT rinse it out with petrol or diesel!
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Blurredman
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PostPosted: 08:45 - 08 Oct 2019    Post subject: Reply with quote

Polarbear wrote:
When I first got into biking in 1972 MZ's and CZ's were the joke of the biking world with CZ's being the worst.

It's funny now, all those cheap eastern European hacks are now desirable bikes (with the exception of the Voskhod Shocked ).

It will look great when finished. Thumbs Up


Have you not seen the latest Voskhod on e-Bay? Laughing
____________________
CBT: 12/06/10, Theory: 22/09/10, Module 1: 09/11/10, Module 2: 19/01/11
Past: 1991 Honda CG125BR-J, 1992 (1980) Honda XL125S, 1996 Kawasaki GPZ500S.
Current: 1982 Honda CX500B - 84k, 1987 MZ ETZ300 - 33k, 1990 MZ ETZ251 - 43k, 1979 Suzuki TS185ER - 9k.
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pepperami
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PostPosted: 10:13 - 08 Oct 2019    Post subject: Reply with quote

Polarbear wrote:
MZ's and CZ's were the joke of the biking world with CZ's being the worst.
It's funny now, all those cheap eastern European hacks are now desirable bikes . Thumbs Up


I think that is to do with western expectations and thinking.
All those days back when I started biking, a few of the lads had CZ’s and MZ’s.
We as a group were always able to get them going and most of the time keep them going.
Even with our lack of knowledge and basic tool kits we managed.

The lads with zippy Japanese two-smokes were the kings of the pile but had no money because thier bikes were expensive compared to the stinky old Eastern European crap and the jap bikes were more expensive to fix.

Granted the crappy old Eastern European bikes were not the fastest.
Looking through rose tinted glasses, I keep an eye out on Thief-bay.
No way would I pay what people are expecting for a CZ but I’d still like one.
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dekip
Two Stroke Sniffer



Joined: 27 Jul 2019
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PostPosted: 21:14 - 08 Oct 2019    Post subject: Reply with quote

Sister Sledge wrote:
That bike is built to last - grease nipple on the swing arm pivot! Even the rear shocks have handles to adjust them. I expect the bike could be repaired with minimal tools too.

One thing: The oil in the cylinder - was it two stroke oil? Also, it will have formed a pool around the crank shaft below so make sure to drain it all out. DO NOT rinse it out with petrol or diesel!


Not sure which oil, but guess is motor oil. Say SAE30, or so. Of course i will first drain it. I am not an expert in mechanics, but i know the difference between 2-stroke and 4-stroke engines. Smile
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Long time reviewer in computer magazine.
That include all wireless devices, SBC and microcontrollers. When my brain get stuck, all that helps is ride.
My bikes: MZ 175SE (1967), Yamaha Virago XV535 (1993) and TVS Apache (2008)
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dekip
Two Stroke Sniffer



Joined: 27 Jul 2019
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PostPosted: 21:33 - 08 Oct 2019    Post subject: Reply with quote

I forgot a few pics...

https://i.imgur.com/kym3YBa.jpg?1

Fenders are still in the process of fixing marks of old crashes but i managed to put together almost whole frame. Shock absorbers are on its places. I cleaned them as much as i can. The next step would be to get them to someone who could put on them new chrome finish. Right now i am cleaning wheels and preparing back lights etc. Back lights are a little defected. It's just, it don't fits as it should.

https://i.imgur.com/HnVEEYD.jpg?1

Air box is fixed. Epoxy kit is great stuff. With it, i fixed broken parts through screws are connected with reg/rec body plate. I had hard time to cut some of it so box could fit on its place. Right now, the only problem with the box is missing rubber gasket between box and bikes frame. It needs to be relative soft, with diameter of some 50cm.

I am glad you like this i am posting. Thank you all for your kind words.
____________________
Long time reviewer in computer magazine.
That include all wireless devices, SBC and microcontrollers. When my brain get stuck, all that helps is ride.
My bikes: MZ 175SE (1967), Yamaha Virago XV535 (1993) and TVS Apache (2008)
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dekip
Two Stroke Sniffer



Joined: 27 Jul 2019
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PostPosted: 22:30 - 08 Oct 2019    Post subject: Reply with quote

What a find...

https://www.ost2rad.com/MZ-Spare-Parts/es-175-2-250-2/tafel-1-fahrgestell-rahmen-hintere-schwinge/

I am done for tonight. Very Happy
____________________
Long time reviewer in computer magazine.
That include all wireless devices, SBC and microcontrollers. When my brain get stuck, all that helps is ride.
My bikes: MZ 175SE (1967), Yamaha Virago XV535 (1993) and TVS Apache (2008)
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 11:35 - 09 Oct 2019    Post subject: Reply with quote

Also: https://mz-b.de

You might be able to just use black plumbing silicone in place of your gasket?
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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dekip
Two Stroke Sniffer



Joined: 27 Jul 2019
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PostPosted: 20:30 - 11 Oct 2019    Post subject: Reply with quote

Last few days i didn't had much time. I had a lot of other things to do. Just to mention bunch of devices which i need to do review for a magazine. But, things are moving...

Fenders are in primer, and are waiting to be painted. Along with with side covers.

https://i.imgur.com/gZwlMQx.jpg?1

Chain and sprocket are ok along with rubber shield. Time made from this rubber almost plastic, but, it is still ok. Chain is cleaned and ready for new kilometers of road.

https://i.imgur.com/1qpqyTE.jpg?1

https://i.imgur.com/X9QNMJi.jpg?1

That green can is Tuborg antirost new solvent. Rolling Eyes

Front and back wheel are a real mess. There are some sort of corrosion on it which i had a hard time to clean with 3M scotch. It is ok, but not as it should. Those wires on the wheel are rusty, i will clean it as much as i can, but they will stay rusty much of it. The only solution is to buy new.

https://i.imgur.com/eoaLmiI.jpg?1

https://i.imgur.com/Ur8LnZs.jpg?1

That's all from me, 'till next time...
____________________
Long time reviewer in computer magazine.
That include all wireless devices, SBC and microcontrollers. When my brain get stuck, all that helps is ride.
My bikes: MZ 175SE (1967), Yamaha Virago XV535 (1993) and TVS Apache (2008)
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 00:02 - 15 Oct 2019    Post subject: Reply with quote

Stick the smaller alloy bits in a dishwasher when no one is looking.

I find good old fashioned paraffin (kerosene) applied with a paintbrush/toothbrush brings a lot of really mucky looking aluminium alloy up quite well. Not shiny but ok. That dull sort of finish.

If you have a compressor in the workshop, you could always look into making a soda blaster. Lots of how-to guides on the web.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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pepperami
World Chat Champion



Joined: 17 Jan 2010
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PostPosted: 18:54 - 15 Oct 2019    Post subject: Reply with quote

Liking this thread Thumbs Up
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