…-course specs using the Precision Concepts Block Off Kit.In stock form, the CRF-X is pretty asthmatic to say the least. We had problems with the lean jetting and it was obvious that what could be a fun enduro mill was unhappily choked up. Popping on deceleration was annoying more than anything, but a serious…

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…suspension.The needle jet in the carburetor was changed to a 1470D (position 3), which is conveniently included in a jet kit with the bike. We really appreciate the fact that KTM sells the consumer a motorcycle that includes quality parts right down to the handlebars, chains and jet kits. While the rest…

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…And no matter what jetting tricks we?ve tried, we?ve never been able to totally eliminate the problem. Until now, that is. An R&D Power Bowl replaces the stock carburetor float bowl and is designed to more efficiently atomize intake fuel mixture. ?The stock CRF250 is tough to jet properly. It?s the only…

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…lack of top-end means it falls behind on long straights.Kawasaki's technician tinkered with the jetting a little by leaning out the pilot jet and needle, while the 420 main jet was left in place. The pilot jet was reduced from a 40 to a 37.5 (same as the RM125), and the needle was leaned out by moving it…

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Few people know the thrills of piloting a motorcycle capable of 350 mph, but Rocky Robinson is one of them. The former World's Fastest Rider gives us the inside scoop in his Salt Addiction's column.If ever there was a time to follow land speed racing, now is that time. Who'd have thought it was…

…racing adjustable leak jet circuit and fuel screw, Zip-Ty Racing magnetic float bowl, cut throttle stop.Jetting Specs: Needle-NFER, Clip 4th from topMain-178Even without his goggles, DuVall used the super-smooth Yamaha to win in Florida.Pilot Jet- 42Fuel Screw- 2 turns outLeak jet screw- 3/4 outOil Filter…

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…afterburner, which is the equivalent of 8000 horsepower. Military jet fighters and civilian passenger jets share the same engine. On a lighter note, Mike asked Tim Arfons how big he should build the fuel tank for his two-wheeled jet powered racer. ?One gallon,? was his reply. He said that?s all you…

…it the ideal Jet Ski for long-distance cruising on open waters.Summer is winding down but the temperatures don?t seem to be following suit, making it a great time to get yourself and your family into the water. And we can?t think of anything much better than getting wet on a Kawasaki Jet Ski. We recently…

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…handlebars closer to the rider. Its seat height is lowered from 23.5 inches to 21 inches to give shorter riders even more confidence.Ironworks Motorcycle Co Jet TrikeThe Torrid is powered by 100 cubic-inch RevTech V-Twin engine. Standard equipment includes a digital speedometer, chrome wheels, a 5-speed RevTech…

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…further. The addition of the pipe to our Z resulted in a 700-rpm flat spot at 3000 revs that wasn't present with the stock exhaust.Carburetors require jetting changes to accommodate free-flowing exhausts, while fuel-injected bikes like the Z need some sort of electronic device that piggybacks onto the bike's…

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