Periodic maintenance an d a djustment
7-3
7
EAU69180
Perio dic maintenance chart for the emission control system
TIP
Items marked with an asterisk should be performed by a Yamaha dealer as they
require special tools, data and technical skills.
4 *Carburetor  Check engine idling speed and 
starter operation.
 Adjust if necessary.
 Clean.
5 *Cylinder head and 
exhaust system  Check for leakage.
√
 Tighten if necessary.
 Decarbonize if necessary.
6
*Spark arrester  Clean.√
NO. ITEM CHECK OR MAINTENANCE JOB
1 month3 months
6 months
6 months12 months
1
*Fuel line  Check fuel hoses for cracks or 
damage.√√√ √
√√√ √
√√
√
√
√√
√
√
√√
√ Replace if necessary.
2Spark plug  Check condition.
 Adjust gap and clean.
 Replace if necessary.
3Air filter element
 Clean with solv
ent.
 Replace if necessary.
THEREAFTER  EVERYINITIAL
U2SA85E0.book  Page 3  Friday, May 11, 2018  9:07 AM 
Periodic maintenance an d a djustment
7-4
7
EAU69202
General maintenance and  lubrication chart
TIP
Items marked with an asterisk should be performed by a Yamaha dealer as they
require special tools, data and technical skills.
4 *Tires  Check tread depth and for damage.
 Replace if necessary.
 Check air pressure.
 Correct if necessary.
5
*Wheel bearings  Check 
bearings for smooth operation.
 Replace if necessary.
6 *Steering bearings  Check bearing assemb
lies for 
looseness.
7 *Middle and final gear 
cases  Check for grease leakage.
8
*Chassis fasteners  Check all chassis fitting and fasteners.
9
*Autolube pump  Check operation.
10
*Transmission oil  Check for oil leakage.
 Correct if necessary.
 Change.  Correct if necessary.  Correct if necessary.  Check gears for damage and wear.
ubricate gears with 
lithium-soap-based grease.
 Moderately repack with 
lithium-soap-based grease.
NO. ITEM CHECK OR MAINTENANCE JOB
1 month3 months
6 months
6 months12 months
1 *
*
*Front brake  Check operation.
 Adjust 
brake lever free play.√√√ √
√√√ √
√√√ √
√√√ √
√√√ √
√√√ √
√√√ √
√√√ √ √
√
√√√ √
 Replace 
brake shoes. Whenever worn to the limit.
2Rear brake  Check operation.
 Adjust 
brake lever free play.
 Replace  brake shoes. Whenever worn to the limit.
Ev ery 2 years
Ev ery 2 years
3Wheels  Check r
unout and for damage.
 Replace if necessary.
THEREAFTER  EVERYINITIAL
U2SA85E0.book  Page 4  Friday, May 11, 2018  9:07 AM