Mr know-it-all

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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FORK BLUES Dear Mr. Know-It-All, I recently bought a used 2013 KTM 450SX, and coming off an Asian non-button starter, I couldn’t wait to hit the hills and hammer. The bike starts and runs stellar, but the fork is miserable. I’m a…
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PILOT ERROR Dear Mr. Know-It-All,, I have a 2008 YZ250F that I use for trail and play riding. Up until recently, the bike was good, started nicely and ran fine. Then, two weekends ago, it started right up, and a few minutes…
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