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I've striped the gears in my gpx125 race engine and do not have a clue where you can buy them from , hade a look on eBay but there's nothing. Does anyone no where I can get parts for it??

Went for a ride today on my motovert and my gpx125 motor gears are playing up, 1st 2nd 4th are fine but when you hit 3rd it goes on and off the power like it is skipping and makes a wierd noise. What's wrong with it??

I'm looking for a new engine to put in1 Of my motoverts I'm looking for a pitsterpro engine 155z,160ho,175z which 1 one of these motors will be most reliable and fast?? I only want to keep the engine STOCK!! No upgrades except oko flatslide carby

Are these new engines reliable or are they still having the same troubles they did with the 155z etc, and ate the a whole new engine or ate they just A 155z bored out? And do they really make 20hp?

Has any1 put a 146 bore kit on the Logan/gpx125? Is or would be worth it? And would it be competitive with 150, 160cc engines

I here these gpx125 engines have a removable oilfilter, were exactly are they??:confused:

Hi a have a gpx125 Race engine the engine is straight out of the box, I recently brought a oko flatslide 26mm carby from dhz to replace my piece of junk mikuni 26 roundslide and the oko flatslide standard jets are 36 slow jet and 102 main, and It will only start when the choke is on but when...

Does any1 have 1 of these engines and what performance modifications are there to make them go harder??