Do you turn the remote adjuster dial on your 2005 Yamaha RX-1 with the MonoShock RA rear suspension but sense no change in suspension compliance? The cable could be broken! The remote cable adjuster and protective rubber boot found on the 2005 Yamaha MonoShock RA rear suspension can become... Read more

There have been a few reports of 2004 Ski-Doo models fitted with the 600 H.O. SDI engine package experiencing fuel starvation under hard acceleration. Some of these instances have been caused by the fuel pickup at the rear of the tank being installed backwards or too high in the... Read more

Some of the 2005 Yamaha RS models (those fitted with the three-cylinder 4-stroke 1000) may falsely activate the Throttle Override System (TORS) and indicate an “84” error code in the tripmeter/odometer display (along with the warning indicator and engine icon). We experienced this on our 2005 RS Vector, and... Read more

Arctic Cat has alerted their dealer network regarding all 2005 M-series sleds. It has been determined that there are two conditions that need to be addressed on the 2005 M-Series snowmobiles. As you may already know, there is a possibility of moisture having entered the gear case. If this... Read more

2-stroke engine tuners know that observing the amount of piston wash on the piston dome is a very accurate indicator as to the best fuel-air mixture for maximum power production in competitive situations. These small “clean areas” on top of the pistons, located where the fuel enters the combustion... Read more

The 2005 Mach Z was delivered with the TRA clickers set at #6, and this allowed the mighty twin to over-rev. Most riders simply turned the clickers down to #1 or #2, and while this tamed the peak operating RPM it tended to cause too much mass being thrown... Read more

Last issue we told you about updates for the 2005 Summit 1000 models; Ski-Doo has now informed their dealers of additional updates to be performed on 1000 SDI models, including most Summit 1000s and all Mach Zs. These machines will receive enhancements aimed at improving both performance and reliability.... Read more

Tuners are often confused when it comes to being able to identify whether a particular adjusting screw on a carb is a fuel screw (that adjusts low speed fuel delivery) or an air screw (that adjusts low speed air delivery). Carb accessory guru Lonn Peterson at Thunder Products tells... Read more

We have just received a note from Arctic Cat regarding the 2006 M7 models within a VIN range of 4UF06SNW96T111797 – 4UF06SNW06T112997 and the 2006 Crossfire models within the VIN range of 4UF06SNW46T113280 – 4UF06SNW26T115934. According to Arctic Cat, “Due to the unforeseen circumstances, Gas Tank Neck Extension (p/n... Read more

With real estate becoming a precious commodity under the hoods of many new sleds, finding a place to carry a spare drive belt is becoming challenging. Nobody in their right mind would leave home without a spare drive belt! A couple of things to remember when mounting a spare... Read more