Mr KIA

Mr. K weighs in on how to keep your chain adjusters tight
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There is no doubt that the cost of rebuilding your four-stroke engine—be it tired or wounded—has escalated as the machines have gotten more complex
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How adjusting your chain can cause unwanted geometry changes.
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Mr. Know-it-all, I'm a converted two-stroke guy and hate to admit it, but I've never adjusted the valves on my YZ250F. I look at the O.E. manual and get intimidated. Is there a more plain English procedure on-line that you can recommend?…
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A REAL BLEEDER Dear Mr. Know-It-All, I have a 2019 KTM 300 TPI. I have a sibling in the motorcycle industry but am afraid to ask him for assistance. He can be a real Richard. Here’s what happened: I punctured my line going to the clutch…
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BLEED IT OUT Dear Mr. Know-It-All, Hello, sir. I have a Yamaha YZ250 that I ride in the woods. I love this bike and can find few flaws in its character, as it does everything I want a bike to do on the trail.  Lately, though, my rear…
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DEFLATED Dear Mr. Know-It-All, I must have stolen money out of a blind homeless person’s cup in a former life, because I’m flatting every time I go riding. What am I doing wrong? Afraid to give my name. Via [email protected]…
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DOUBLE IDENTITY Dear Mr. Know-It-All, I have a dilemma concerning off-road and motocross. I love both disciplines—the speed and jumps of MX, and the technical challenge of a good, gnarly off-road loop. I haven’t hit the lotto, so I can…
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Dear Mr. Know-It-All, Wraparound handguards are used by almost 100 percent of off-road racers. I get that motocross doesn’t have tight trees and brush to grab your clutch or front brake and smash your fingers, but there is still plenty…
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KTM CHAIN TENSION Dear Mr. Know-It-All, I did not want to have to ask this question, but now I feel compelled. For the second time now since I have subscribed to Dirt Bike, you have posted a piece regarding loose sprockets and chain…
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Mr.Know-it-all, I have a new KTM 300XC-W TPI. At least, in my opinion it's new. I have only ridden it twice, but both were fairly decent rides, lasting pretty much all day. I would guess that the bike has over 10 hours. Looking at my…
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The KTM 250XC-W and 300XC-W TPI have been on the market long enough now to generate an established bank of information. Mr. Know It All receives a boatload of questions every month on the bike. Here are some established facts that we have…
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The KTM 300XC-W TPI isn't that different from a conventional two-stroke. We've been dealing with fuel-injection for over a decade now on four-strokes, and the rest of the bike offers no real technological differences from a bike in the late…
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How to install your masterlink keeper the right way
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Mikuni jetting for KTM two-strokes that still have a carburetor
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Bonded grips and other menaces to society
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The skinny on fat tires from Goldentyre and Hi-Point
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Does a trail rider need high-end boots?
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NOODLES FOR GREY MATTER Dear Mr. Know-It-All, The 2016.5 KTM 450SX Factory Edition comes with a Akrapovic muffler, but it has a macaroni (resonator) type head pipe? Does anyone sell a header pipe that will fit the muffler? Ryan…
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Why do some bikes come with chain guides and not others?
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