Question about Suzuki RM 250 Motorcycles

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Powervalve opens too soon engine has what appears to be adjustment on head thumb screw

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Your rod controlling the power valve is bent, got stuck with gunk. Inspect and check the whole top end. The rod is adjustable.

Posted on Nov 13, 2009

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Posted on Jan 02, 2017

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Hi jamesbj44...
Before you remove or try to adjust your low and high speed jets you should always count the number of turns to lightly bottom the adjusting screws.
Be sure to write the number of turns down on a piece of paper so you will know when you go to replace them.
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Free Answer...Please take time to rate me

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Husky 125B blower, new right out of the box. starts, runs about 30 sec, bogs and quits. I'm guessing likely needs carb adjustment, but set screws are not regular slotted screws. Looks like it requires a...



Hello,
My name is Dane and I am going to assist you in solving your problem.

You will need to adjust the high speed setting on your Carburetor jet. Turning the screw out just 1/2 turn or so should do the trick. It is not so hard to adjust the Carburetor, however, yes you do need a special tool that is very hard to get your hands on, in order to adjust the jet screws. They don't make many engines with plain screw heads anymore. The newer Carburetors are factory set lean so they can pass emission standards. Since you just bought yours, a local husky dealer should adjust the mixture for free. I hope I've helped. If you found this reply useful, please leave me some THUMBS UP, if you feel I

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i have the same problem. i have recently bought a 1998 dtr, but when we had a closer look at the engin, it wasnt worth keeping. so managed to get a 2006 engin. i fitted this. but the bike seems reallys slow. I then opend the powervalve. but the bike boggs out just as i get in to the power band. i was told to re jett the bike to a 260. so will be getting that done soon. will tell you what it goes like mate.

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