A good number of Summit 1000 (and some Mach Z 1000s) that we spotted in the field last season had removed the plastic deflector that shields the intake filter material on the left side of the machine. Most riders commented on how this area would allow snow to build-up... Read more
If you own or ride a 2004 Firecat (or Sabercat) you might want to pay close attention. There is an oil line under the engine that is known to chafe and can actually break, and we all know what happens when a 2-stroke doesn’t get any oil. If you... Read more
When detailing a sled for show or simply to clean it, many times it is handy to have a non-metal item for scraping purposes. This is when something like a Popsicle stick or a plastic blade works well. You can actually buy bags of clean Popsicle sticks at craft... Read more
The new three-cylinder RS 4-strokes from Yamaha are fitted with a comprehensive self-diagnostic system that will, upon detection of an electrical problem, display a code on the LCD gauge that indicates the potential source of the problem. If you should see the warning indicator, engine icon and a two-digit... Read more
The new type “995” engine, or more commonly known as the Rotax 1000 SDI, may use two different piston sizes. Each cylinder and pistons is identified with either an “A” or a “B” designation. This identifier is found on top of the piston crown, and off to the side... Read more
All of the Yamaha four-strokes, three and four cylinder up through 2005, have a heavy rubber flap that covers the engine. Many riders have found it is beneficial to flip the flap up away from the engine as riding temperatures increase. Why is it in there? To help retain... Read more
Old school tuners are sometimes thrown a curve ball when a sled with a newer ignition system is causing the performance to be reduced. Often it goes like this; a tuner is having difficulty reaching their desired peak operating RPM, and concentrates on the clutching and gearing variables. They... Read more
So your tail light doesn’t work and you’ve already checked the bulb; it’s O.K. Now what? Plan on removing the seat and doing some detective work. The wiring that runs under the seat to your taillight lives a tortured existence down under your butt, taking abuse from the seat... Read more
If you’re working on a carbed Ski-Doo and are experiencing fuel flow issues, do not forget about the little fuel filters right in the inlet where the fuel hose attaches to the carb! Ski-Doo removed these from the ZX models starting in 2000, so they’re in most everything pre-2000... Read more
So when old gas gums up the carbs on your sled, what jets are most often affected? Usually it is the pilot jets; the sled doesn’t want to run very well at just above idle or at idle unless the choke is applied is a typical symptom at fall... Read more