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Maintenance

MR. KNOW-IT-ALL: TRAIL RIDING DOs & DON’Ts

GLUG OR SPRAY Dear Mr. Know-It-All, With all of the air filter oils on the market, is it better to use spray-on or pour-on filter oil? Everybody says spray-on oils aren’t as potent. It seems much more efficient to spray on the filter oil…
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2-STROKE PING STOP: MR KNOW-IT-ALL

Z 250 RING-DING PINGS Dear Mr. Know-It-All, I have a 2009 YZ250 that I race on both tracks and off-road. The bike runs extremely well, but I get some detonation when I put a load on the motor for long periods of time. My jetting is on the…
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ROGER DECOSTER’S 10 GOLDEN RULES OF MX

Roger DeCoster has mentored more motocross champions than any man in history. His own racing record is incredible. Beyond his five  500cc World Motocross Championships, he was a member of more winning Motocross des Nations teams than any…
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DECOSTER: DIAL IT IN

MAKE YOUR BIKE DO SOME OF THE WORK Today's motorcycles are good. They have come a long way from the days when the buyer had to finish manufacturing them. Even so, the bike you buy isn't perfect. It can't be, because the people who made it…
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HUSKY OVERHEATING: MR. KNOW-IT-ALL

Dear Mr. Know-It-All, I have a 2017 Husqvarna FE350 that has around 1,200 miles on it. Upon the last ride, the bike started losing power and felt as if it were going to seize. This was at moderate-speed, fairly easy riding. I immediately…
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RUNNING ON EMPTY: MR. KNOW-IT-ALL

Dear Mr. Know-It-All, I’m sure this topic has been beaten to death, but figured I’d ask anyhow. On a two-stroke bike, is there any harm, no matter how small, in allowing the carburetor to run dry? Thanks. Ken via…
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BETA LEAK FIX: MR KNOW-IT-ALL

Dear Mr. Know-It-All, My thermostat is leaking on my 2019 Beta 390RRS, and the bike is out of warranty. I’m not sure if I should replace the part or buy a hose kit to eliminate it altogether. Can you feed me your thoughts on my dilemma?…
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NO-SCRATCH TIRE CHANGES: MR KNOW-IT-ALL

SCRATCH THE ITCH Dear Mr. Know-It-All, I’d love to go riding this weekend. I have a new set of tires for my bike, but I’ve never changed my own tires. I attempted to do so, but only managed to get one side of the tire off and pull the…
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MISSING HUSKY MAP SWITCH: MR. KNOW-IT-ALL

Dear Mr. Know-It-All, I recently purchased a 2020 Husqvarna TE300i, but I didn’t receive the map switch that is supposed to come with the bike. I took the bike anyway, knowing my dealer would send me the part when it came in. My question…
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INSTALLING NEW BRAKE PADS: MR. KNOW-IT-ALL

GIVE ME A BRAKE Dear Mr. Know-It-All, I went to install new brake pads on my CRF450R, and when I put the new brake pads in, I couldn’t get my disc to go back into the caliper. Are these new brake pads the wrong ones or too thick? Is that…
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EASIER TIRE CHANGES: MR KNOW-IT-ALL

Dear Mr. Know-It-All, I’m looking to make my tire changes at home easier, so I don’t always have to take them to a shop. I struggle holding the bead of the tire down in one place and end up chasing it around the rim while I’m installing a…
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STUD REPLACEMENT: MR KNOW-IT-ALL

Dear Mr. Know-It-All, I recently replaced the cylinder on my 2002 KX125 with a new one from Kawasaki when I deducted that mine was worn out. I removed the (head) studs with a stud puller and am ready to install them into the new cylinder.…
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