Checking the oil level on these new four-stroke Yamahas requires several specific steps to obtain an accurate reading. Failure to follow the proper procedure can result in a false low oil reading, which may in turn cause you to add oil when you don’t need it! To properly check... Read more
Since Bombardier Recreational Products makes so many different models of what may appear to be very similar sleds, we have found it most helpful when communications with just about anyone regarding a specific machine to include the Ski-Doo 4-digit model code in the correspondence. This will be most helpful... Read more
As the length and lug height of mountain tracks increases, the clutching requirements of the machine also change. This is especially true if you have a working combination and install a more aggressive track. The added length and height works the engine and clutches harder, as the torque feed... Read more
Arctic Cat 900 twin engines fitted with carbs come with Mikuni rack style flatslide (TM-40mm) carburetors. These carbs have an airscrew and a fuel screw, both providing adjustability to the low speed circuits. The air screw is located to the left side of the mouth of the carb, and... Read more
For all of you former two-stroke riders who now have a four-stroke parked in the garage, ask yourself this; do you have a smart charger attached to the battery of your sled, right now at this moment? Or, do you attach a smart charger every month or so to... Read more
If you’ve got a 2004 Arctic Cat 700 EFI (Firecat or Sabercat) make sure the ECU has been reprogrammed! This enhanced software makes a big difference in terms of fuel economy and overall performance. Most noticeably is the improvement in the 30-35 mph range, where the machines were originally... Read more
If you should happen to look for a wiring diagram for a 2004 Ski-Doo Legend, it’s not in the 2004 ZX Shop Manual where it’s supposed to be! Ski-Doo service found it instead in the 2004 REV Shop Manual. Go figure! Read more
If you should decide to increase the compression ratio of your engine during the course of modifications, remember that this will also reduce the peak operating RPM of the engine package. And, the higher the compression is the higher the quality of fuel that must be used for any... Read more
If you should experience fogging on the inside of the fancy LCD gauge assembly found on recent Yamaha models, do not replace the entire gauge! This is usually caused by moisture (steam) entering the gauge and condensing on the inner lens. To remedy this, inspect the rubber sealing boot... Read more
Electronic servo-controlled power valves are great for providing a wider power output, reduced noise and emissions, along with an improvement in fuel economy. They are not, however, totally service-free. The cables used to connect the servo motor to the valve will, as will most cables, stretch over time and... Read more