wheelie916 Posted June 9, 2009 Posted June 9, 2009 hey all i own an r125 and it has developed a reving problem when under load. its a hard one to explain but..... when under load in any gear but most noticable in 3,4,5 if i pull the throttle back instead of it being a smooth brrrrrrrrrrrrrr from 4k upto redline it sort of stops and starts more like brrr,rrr,rrr,rrr,rrr,rrr if you understand me lol.... Ive changed the plug and it made it a little better and i have checked the air filter and that seems ok the oil level is fine and is on the dipstick does anyone have a clue what is causing this. thanks Jas
little dave Posted June 9, 2009 Posted June 9, 2009 your bike needs to see a speech therapist. try the fuel filter?
wheelie916 Posted June 9, 2009 Author Posted June 9, 2009 lol there is only one and its inside the tank it is attatched to the pump and looks clean i cant see another one it come directly out the tank to the injector.....; Jas
little dave Posted June 9, 2009 Posted June 9, 2009 im not sure if your bike has one, but (and i know that this sounds odd) my suburban did something similar. turned out that it was a bad o2 sensor. it was telling the brain that the engine was running lean when it wasnt. it would adjust fuel for a sec, and find that it was rich. back to lean. etc. br.....br.....br....br....br.....br...... im gonna let the experts here help ya.
wheelie916 Posted June 10, 2009 Author Posted June 10, 2009 im not sure if your bike has one, but (and i know that this sounds odd) my suburban did something similar. turned out that it was a bad o2 sensor. it was telling the brain that the engine was running lean when it wasnt. it would adjust fuel for a sec, and find that it was rich. back to lean. etc. br.....br.....br....br....br.....br...... im gonna let the experts here help ya. Not sure about the sensor but I know it's getting real annoying now and I can't afford to take it in till end of the month A better descrption might be that every half second when accelerating it sounds like the clutch slighty bites then stops then bites then stops but if I drop down a gear or am braking it still does it HELP LOL Jas
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