Category: Service & Tuning Notes

This one really had us scratching our heads for a while. One of our Ski-Doo 800s fitted with the PowerTEK engine package had a problem

For almost ten years now, Yamaha snowmobiles have pretty much all been fitted with the hard and durable “8DN” drive belt. Performance tuners have found

Since Ski-Doo and Rotax have switched to a chrome-nitrated piston ring starting with the 2005 model year, older model year engines have been able to

If you’ve got a 2006 Yamaha Apex GT, you’d better check the number stamped on the primary clutch. On the outer clutch cover, between one

Using the stock 22mm wrench to adjust the rear suspension preload on the Yamaha Phazer models is difficult. The wrench is short, and there isn’t

Pre-2007 Ski-Doo Mini-Z snowmobiles that burn out the headlight and/or tail light prematurely can now upgrade to the 2007 Mini-Z technology. Ski-Doo technicians have discovered

Polaris has determined the fuel pump sender units on all 2005 & 2006 big block 755 & 866 (700 & 900 Cleanfire models) can deteriorate.

Have you ever experienced where your sled bogs when you go off trail into deep snow conditions? As long as you’re running on the trail,

Some owners of the 2007 Summit models fitted with the 800R engine package have experienced a variation in operating RPM and poor backshifting. It has

A number of owners of 2007 Yamaha Phazer models have encountered the high coolant temperature indicator coming on, at times when it may not seem