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Hi iv got a sach bee 125 scooter 2012 and plate this last week it will not go over 20 mph per unless im going down a steep hill . and it will also rev fully when on the stand does anyone no what it could be please

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  • 338 Answers

Not sure on the 125, but the 50cc has friction cones that wear and give the same symptoms you are experiencing, quite a straight forward job to change, about an hour, set of cones about 30 pounds

Posted on Oct 31, 2013


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Posted on Jan 02, 2017

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SOURCE: 2006 KTM 125 sx high revving out problem

Look into your power valve. If it doesn't operate freely, you won't get peak performance. They can get gummed up.

Posted on Jul 27, 2009

  • 125 Answers

SOURCE: hi Iv had my scooter for about 3 weeks and it has


Check your filters and carburator.
maybe it just need to get a small check up to set the carb again.
also: maybe there's a vacuum kindaoff valve in your tank, so that when you start the vacuum opens, but not enough fuel gets through bc of the fact that your engine has to create a vacuum before it opens...
i've had thios with a 2 stroke rieju... it's just a safety meaurement, and if so, have it replaced.

Hope this is helpful, and greetings,


Posted on Oct 21, 2009

Testimonial: "thanks for the advice will try what you suggest"

  • 45 Answers

SOURCE: got a sachs roadster 125 not been used for two

timing could be out and you could be getting to much fuel to air and the the fuel is not burning of when it is running put your hand over the exhaust then smell it if it smells of petrol you got to much fuel going in you can adjust a screw on the carb to fix it. also check your air filters and air pipes are clear of dirt

Posted on Mar 25, 2010

  • 1 Answer

SOURCE: is the sachs zx 125 rear sprocket same as ktm

sorry i dont but do you no the code or number for a set of sachs zx 125 fork seals ????? email me

Posted on Jul 21, 2010

  • 316 Answers

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Posted on Jul 13, 2011

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