Yamaha RST90G Owner's Manual page 64

Periodic maintenance and adjustment
ITEM
Extrovert drive
sprocket
* (RST90TF /
RST90TFL /
RST90TFY)
* Slide runners
* Skis and ski runners
* Steering system
* Steering bearings
Skis and front
*
shock absorbers
Suspension compo-
*
nent
* Drive track
Fittings and fasten-
ers
* Battery
TIP
Brake system:
 After disassembling the master cylinder or caliper cylinder, always change the brake fluid.
Regularly check the brake fluid level and add fluid if necessary.
 Replace the oil seals of the master cylinder and caliper cylinder every two years.
 Replace the brake hose every four years, or if cracked or damaged.
58
REMARKS
• Check for wear and damage.
• Replace if necessary.
• Check for wear and damage.
• Replace if necessary.
• Check for wear and damage.
• Replace if necessary.
• Check toe-out.
• Adjust if necessary.
• Check bearing assemblies for
looseness.
• Lubricate with specified
grease.
• Lubricate with specified
grease.
• Lubricate with specified
grease.
• Check the deflection.
• Adjust if necessary.
• Make sure that all nuts, bolts
and screws are properly tight-
ened.
• Tighten if necessary.
• Check condition.
• Charge if necessary.
INITIAL EVERY
Seasonally
1 month
or
or 800 km
4000 km
(500 mi)
(2500 mi)
(40 hr)
(200 hr)
Initial at 500 km (300 mi)
and every 800 km (500
mi) thereafter.
PAGE
86
89
86
87
—
92
92
89
96
96