Yamaha CS50 User Manual

CHK
ADJ
INTRODUCTION/PERIODIC MAINTENANCE/
LUBRICATION INTERVALS
3-1
EAS00036
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION
This chapter includes all the information necessary to perform the recommended inspections and
adjustments. These preventive maintenance procedures, if followed correctly, will ensure more relia-
ble operation of the vehicle and a longer life of service. The need for costly revision and repair work
will be greatly reduced. This information is applicable to vehicles that are already in service, as well
as for new vehicles that have been prepared for sale. All service technicians must become familiar
with the entire chapter.
EAS00037
PERIODIC MAINTENANCE AND LUBRICATION INTERVALS
ODOMETER READING
ANNUAL
( x 1.000 km)
CHECK
No. ITEM CHECK OR MAINTENANCE JOB 1 6 12 18 24
1 * Fuel line • Check fuel hoses and vacuum hose
for cracks. √√ √√√
2 Spark Plug • Check condition. √√
• Clean and regap.
• Replace. √√
3 Air filter element • Clean. √√
• Replace. √√
4 * Front brake • Check operation, fluid level and vehicle for √√√ √√√
fluid leakage.
• Replace brake pads. Whenever worn to the limit
5 * Rear brake • Check operation and adjust brake lever freeplay. √√√ √√√
• Replace brake shoes. Whenever worn to the limit
6 * Brake hose • Check for cracks or damage. √√ √√√
• Replace. Every 4 years
7 * Wheels • Check runout and for damage. √√ √√
8 * Tires • Check tread depth and for damage.
• Replace if necessary. √√ √√
• Check air pressure.
• Correct if necessary.
9 * Wheel • Check bearing for looseness or damage. √√ √√
bearings
10 * Steering bearings • Check bearing play and steering for roughness. √√√ √√
• Lubricate with lithium-soap-based grease. Every 24.000 km
11 * Chassis fasteners • Make sure that all nuts, bolts and screws are √√ √√√
properly tightened.
12 Centerstand • Check operation. √√ √√√
• Lubricate.
13 * Front fork • Check operation and for oil leakage. √√ √√
14 * Rear shock • Check operation and shock absorber for oil √√ √√
absorber assembly leakage.
15 * Carburetor • Check starter (choke) operation. √√√ √√√
• Adjust engine idling speed.
16 * Autolube pump • Check operation. √√√√
• Bleed if necessary.
17 * Cooling system • Check coolant level and vehicle for coolant leakage. √√ √√√
(L/C version only) • Change. Every 3 years
18 Final transmission • Check vehicle for oil leakage. √√ √
oil • Change. √√√
19 * V-belt • Replace. √√
20 Front and rear • Check operation. √√√ √√√
brake switches
21 * Moving parts • Lubricate. √√ √√√
and cables
22 Lights, signals • Check operation. √√√ √√√
and switches • Adjust headlight beam.
*: It is recommended that these items be revised by an authorized Yamaha/MBK dealer.
**: Apply grease for mid-weight bearings.
NOTE:
• The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
• Hydraulic brake service
•• Regularly check and, if necessary, correct the brake fluid level.
•• Replace the brake hoses every four years and if cracked or damaged.

Yamaha CS50 Specifications

General

Fuel Capacity	4.5 liters
Fuel System	Carburetor
Cooling	Air-cooled
Transmission	Automatic
Starting System	Kick start
Brakes	Drum brakes (front and rear)