8-20ESU00180Checking the brake fluid levelPlace the snowmobile on a level surface. Check that thebrake fluid is above the lower level and replenish whennecessary.1 Lower levelWARNING@Be careful that water does not enter the master cylin-der when refilling. Water will significantly lower theboiling point of the fluid and may result in vaporlock.If the brake fluid level goes down, consult a Yamahadealer.@CAUTION:@Brake fluid may deteriorate painted surfaces or plas-tic parts. Never spill any fluid. If any is spilled, cleanit up immediately.@ESU00181Brake fluid replacementBrake fluid replacement is necessary when the followingcomponents are replaced during the periodic mainte-nance or if they are damaged or leaking.a. All oil seals of the master cylinder and caliper cylinderb. The brake hoseWARNING@Make sure that the brake fluid and the above partsare replaced by a Yamaha dealer.@ESU00183SuspensionThe suspension can be adjusted to suit rider preference.A softer setting, for example, may provide greater ridercomfort, while a harder setting may allow more precisehandling and control over certain types of terrain or ridingconditions.WARNING@Be sure to have a Yamaha dealer make this adjust-ment.@Specified brake fluid: DOT 4