Snowmobile Yamaha Phazer PZ50W, PZ50GTW, PZ50FXW, PZ50MW, PZ50VTW, PZ50MPW. Manual - part 3

1-9

GEN

INFO

SPECIAL TOOLS

• Digital circuit tester

P/N: YU-A1927

90890-03174

This instrument is necessary for checking the electrical componenets.

2-1

INSP

ADJ

PERIODIC INSPECTION AND ADJUSTMENT

INTRODUCTION

This chapter includes all information necessary to perform recommended inspections and adjustments. These
preventive maintenance procedures, if followed, will ensure more reliable machine operation and a longer ser-
vice life. In addition, the need for costly overhaul work will be greatly reduced. This information applies to
machines already in service as well as new machines that are being prepared for sale. All service technicians
should be familiar with this entire chapter.

PERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL SYSTEM

Item

Remarks

Pre-opera-

tion check 

(Daily)

Initial 

1 month or 

800 km 

(500 mi) 

(40 hr)

Every

Seasonally 

or 4,000 km 

(2,500 mi) 

(200 hr)

Spark plugs

Check condition.
Adjust gap and clean. 
Replace if necessary.

∗ Valve clearance

Check clearance.
Adjust clearance when engine is cold.

Every 40,000 km (25,000 mi)

∗ Crankcase breather system

Check breather hose for cracks or damage.
Replace if necessary.

∗ Fuel filter

Check condition.
Replace if necessary.

∗ Fuel line

Check fuel hose for cracks or damage.
Replace if necessary.

∗ Idle speed

Check and adjust engine idle speed.

∗ Fuel injection

Adjust synchronization.

∗ Exhaust system

Check for leakage. 
Tighten or replace gasket if necessary.

∗ It is recommended that these items be serviced by a Yamaha dealer.

INTRODUCTION/PERIODIC MAINTENANCE CHART FOR

THE EMISSION CONTROL SYSTEM

2

2-2

INSP

ADJ

GENERAL MAINTENANCE AND LUBRICATION CHART

GENERAL MAINTENANCE AND LUBRICATION CHART

Item

Remarks

Pre-opera-

tion check 

(Daily)

Initial 

1 month or 

800 km 

(500 mi) 

(40 hr)

Every

Seasonally 

or 4,000 km 

(2,500 mi) 

(200 hr)

Engine oil

Check oil level.
∗ Replace.

∗ Engine oil filter cartridge

Replace.

Every 
20,000 km 
(12,000 mi)

Fuel

Check fuel level.

Engine coolant

Check coolant level. 
∗ Air bleed the cooling system if necessary.

Throttle lever (handlebar 
side)

Check operation.
∗ Repair if necessary.

Throttle override system 
(T.O.R.S.)

Check operation.
∗ Repair if necessary.

Engine stop switch

Check operation.
∗ Repair if necessary.

Drive guard

Check for cracks, bends or damage.
∗ Replace if necessary.

V-belt

Check for wear and damage.
Replace if necessary.

Drive track and idler wheels

Check deflection, and for wear and damage.
∗ Adjust/replace if necessary.

Slide runners

Check for wear and damage.
∗ Replace if necessary.

Brake and parking brake

Check operation and fluid leakage.
∗ Adjust free play and/or replace pads if necessary.
∗ Replace brake fluid.

See NOTE on page 2-3.

∗ Disc brake installation

Check for slight free play.
Lubricate shaft with specified grease as required.

Every 
1,600 km 
(1,000 mi)

Drive chain oil

Check oil level.
∗ Replace.

Drive chain

Check deflection.
∗ Adjust if necessary.

Initial at 500 km (300 mi) and every 800 km 
(500 mi) thereafter.

Skis and ski runners

Check for wear and damage.
∗ Replace if necessary.

Steering system

Check operation.
∗ Adjust toe-out if necessary.

Strap (PZ50M)

Check for damage.
∗ Replace if necessary.

Lights

Check operation.
Replace bulbs if necessary.

∗ Battery

Check condition.
Charge if necessary.

∗ Primary and secondary 

clutches

Check engagement and shift speed.
Adjust if necessary.

Whenever operating elevation is changed.

Inspect sheaves for wear/damage.
Inspect weights/rollers and bushings for wear-for pri-
mary.
Inspect ramp shoes/bushings for wear-for secondary.
Replace if necessary.

Lubricate with specified grease.

∗ Steering column bearing

Lubricate with specified grease.

∗ Ski and front suspension

Lubricate with specified grease.

∗ It is recommended that these items be serviced by a Yamaha dealer.

2-3

INSP

ADJ

GENERAL MAINTENANCE AND LUBRICATION CHART

NOTE:

@ 

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. 

∗ Suspension component

Lubricate with specified grease.

∗ Parking brake cable end 

and lever end/throttle cable 
end

Lubricate with specified grease.

Check cable damage.
Replace if necessary.

Shroud and covers

Make sure that the shroud and covers are securely fas-
tened.

Fittings and fasteners

Check tightness.
∗ Repair if necessary.

Tool kit and recommended 
equipment

Check for proper placement.

Item

Remarks

Pre-opera-

tion check 

(Daily)

Initial 

1 month or 

800 km 

(500 mi) 

(40 hr)

Every

Seasonally 

or 4,000 km 

(2,500 mi) 

(200 hr)

∗ It is recommended that these items be serviced by a Yamaha dealer.