Category: Service & Tuning Notes

Owners of 2003 and 2004 Yamaha RX Mountain sleds are encouraged to update their machines to the 2005 model specifications. Applying the 2005 model specs

Does your Ski-Doo 600 SDI foul spark plugs during warm-up? Or, does it surge excessively when the pipe is cold during acceleration? Ski-Doo has made

One corner that gets cut by many tuners involves the re-use of many of the hardware parts (nuts, bolts, cotter pins) when performing clutch service.

Several speed shops that modify Arctic Cat EFI models have started using a small “black box” available from Advanced Performance in South Haven, Michigan. This

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

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

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

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,

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

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