breeky Posted January 19, 2014 Share Posted January 19, 2014 hi there i have a yamaha dt 50 0n an o3 plate was running fine then stopped pulling as good and will only do 20 mph now so ive put new pistonkit new gaskets new plug fresh petrol and is still the same 20mph max and struggles to maintain speed anyone help much appreciated thnx graham Link to comment Share on other sites More sharing options...
Moderator drewpy Posted January 19, 2014 Moderator Share Posted January 19, 2014 I thought this was about pulling girls!! I would have said get a bigger bike 1 Link to comment Share on other sites More sharing options...
Moderator Airhead Posted January 19, 2014 Moderator Share Posted January 19, 2014 might be a fuelling problem? Check fuel flowrate to carb, how does pulling the choke on affect it? Link to comment Share on other sites More sharing options...
wild foamy Posted January 20, 2014 Share Posted January 20, 2014 Post an intro dude, that will increase your replies for sure. pull the choke on and see if it helps. Link to comment Share on other sites More sharing options...
breeky Posted January 20, 2014 Author Share Posted January 20, 2014 might be a fuelling problem? Check fuel flowrate to carb, how does pulling the choke on affect it? new to this site but pulling the choke on cuts bike out Link to comment Share on other sites More sharing options...
breeky Posted January 20, 2014 Author Share Posted January 20, 2014 puling the choke on cuts bike out Link to comment Share on other sites More sharing options...
Moderator Airhead Posted January 20, 2014 Moderator Share Posted January 20, 2014 Next thing to try is remove the air filter element Link to comment Share on other sites More sharing options...
breeky Posted January 20, 2014 Author Share Posted January 20, 2014 Next thing to try is remove the air filter element done that still the same thanks graham Link to comment Share on other sites More sharing options...
breeky Posted January 20, 2014 Author Share Posted January 20, 2014 I thought this was about pulling girls!! I would have said get a bigger bike i have a suzuki gsxr600 the dt50 is my 16year old sons Link to comment Share on other sites More sharing options...
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