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i have stiped the carbs more than 10 times and its clean alrigh. took reed valves off to inspect the rubber mounts for craks, nothing wrong there.

(when sitting on bike)The left side smokes more, magneto side... and when i say it revs high i mean 10 000rpm +. almost as if nothing is wrong with it. For the power valve bit, when the bike iddles i can see how the pwer valve adjusts its self. but the bike doesnt have a battery so i cant tell you if it moves when the key is turned on. but it starts fine and everything.

Hi guys... had a topic about this tzr 250 of mine 2 weeks ago. A first didnt want to start, but with every bodies help it finally did..... but new problem poped up. It seems to be reving fine and very high, but ones you go on the road it feels as if its running on a third of its power. The jets and carbs are clean, the needle positions are on the 2nd slot from the top, i already tried moving it to the 3rd, problem only get worse. reed valves seem to be fine, only thing that seems strange is that the one exhaust seems to be smoking more than the other? dont know if it relevant? Its just this power issue that i have right now. but like i said it revs beautifully...

as far as i know the frames stayed the same until about 1998.

Hi there. I replaced the fuel filter. there is allot of feul. I also think the one main jet has a 190 jet in. not sure of the other one. Like i said, i do get it to start but i must get someone to choke the carb intake by hand, then it starts. then it revs up by it self extreamly high, then slowly loses revs and dies. Even if I play with the trothel before it wants to die it makes a smuthering sound and dies! Might this be a CDI propblem, or just carbaration?

Ok. I took the cargs off again. Someone told me that there are starting jets that are very small that often has muck inside them. They were dirty. the bike starts now, but only if i choke it allot. then the revs shoot up very high by itself then slowly come down, it idles for a short while then dies again????? I have been battling for a year with this bike! Anyone that can help??

Because it seemed like it was over fueling and besides there were two different ones in anyway. What is the correct size for the two main jetts????

Hi there. I bought this Tzr 250, its a 3ma with deul carbs and a kick start! The bike is in bad shape1 looks like a couple of teenagers messed it up! lol Sarted it up first time, and went for a powerfull ride! IT FELT like the fastets thing on earth, then caught up to slow car, slamed on the brakes, and tried to over take but the bike had no more power. i stopped next to the road and played with the throttle and then the power came back. spun off like crazy again, but when ever slaged off it does the same thing, almost like a flat spot! took the tank off at home and found that the previous guy replaced the normal coil with two car coils connected straight on the spark plugs! orderd the right coil and new plugs, and took the carb off and cleaned the muck out and saw the main jets are very big and not even the same! replace them with much smaller ones but the bike just won't start any more! there is spark! There is compression! what can it be? what is the correct size that the main jets must be?