Mz etz 251 problem..

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Mz etz 251 problem..

Postby Sj0rre » Mon Jul 13, 2015 4:57 am

Hello I'm a new member from Sweden and I have a problem with my mz etz 251.
It won't Rev over 1000/1200 rpm i give it full throttle but it just won't Rev what can the problem be?
Sj0rre
 
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Joined: Mon Jul 06, 2015 5:37 pm

Re: Mz etz 251 problem..

Postby DAVID THOMPSON » Mon Jul 13, 2015 1:35 pm

look in the back of carb with the rubber boot removed
and see if it is actually moving the slide up in the carb

may have a broken throttle cable or it has come loose at carb or handle
may have pulled the brass end off the cable

you should always carry a spare clutch and throttle cable

unless you like walking home
they work good but i learned long ago it will always break when your max distance from your spares
Dave 2002 MZ RT125+1995 Saxon Tour(500cc)
1997 MZ 660 Traveller+6/13/09 WV USA
"IN the end times the IDIOTS will be in charge
of everything"
"I like the road less traveled if it's PAVED!"
wd8cyv at yahoo dot com
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DAVID THOMPSON
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Re: Mz etz 251 problem..

Postby Sj0rre » Mon Jul 13, 2015 4:29 pm

The throttle cable is working, took it apart and noticed that the contact breaker is worn-out so I ordered a new one.
Sj0rre
 
Posts: 6
Joined: Mon Jul 06, 2015 5:37 pm

Re: Mz etz 251 problem..

Postby DAVID THOMPSON » Mon Jul 13, 2015 4:54 pm

yes points do not last forever.. be nice if they did
Dave 2002 MZ RT125+1995 Saxon Tour(500cc)
1997 MZ 660 Traveller+6/13/09 WV USA
"IN the end times the IDIOTS will be in charge
of everything"
"I like the road less traveled if it's PAVED!"
wd8cyv at yahoo dot com
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DAVID THOMPSON
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Posts: 5154
Joined: Sun Nov 23, 2003 11:01 am
Location: Parkersburg, West Virginia USA .questions answered MZ 95 up, BMW 1953 to 1979 and ham radio WD8CYV

Re: Mz etz 251 problem..

Postby Sj0rre » Mon Jul 20, 2015 8:42 am

So got new points and installed them but still no difference
Sj0rre
 
Posts: 6
Joined: Mon Jul 06, 2015 5:37 pm

Re: Mz etz 251 problem..

Postby vicar » Mon Jul 20, 2015 11:32 am

Can you make a little video with your phone showing what happens when you twist the throttle it would help if we could hear the engine
If only one bike was enough..............
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Re: Mz etz 251 problem..

Postby Sj0rre » Mon Jul 20, 2015 1:10 pm

Well it looks like a seal is bad and the engine is getting filled up with gas..where can I order a set of seals gaskets an bearings..
Sj0rre
 
Posts: 6
Joined: Mon Jul 06, 2015 5:37 pm

Re: Mz etz 251 problem..

Postby therealche » Mon Jul 20, 2015 3:40 pm

ES250 Doppelport, ES250, ES250/1, ES250/2,ETS 250, ES150, ETS150, BK350, IWL Pitty, SR56 Wiesel, SR59 Berlin, Troll............ and thats just the German two strokes!
http://thecomeconcollection.blogspot.com/
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