Yamaha G21A Owner's/Operator's Manual page 31

MAINTENANCE
C - CHECK CA - CHECK AND ADJUST
1
Remarks
2
EVERY Replace engine oil
YEAR Adjust throttle cables,**
choke cable, check carburetor
throttle shaft for wear**
3
Check starter V-belt for
damage and tension
Check drive belt for slippage,
wear or scratches
4
Check sliding sheave and
ramp shoes; Grease secondary
sheave bearing.
Grease primary sheave
5
Check operation of speed limiter
Apply battery terminal protectant
Check wiring connections
6
and insulation
Check shoe lining thickness
and rear axle bearing play
Check kingpin play, seal, and
7
cap / Adjust wheel alignment
Check wheel nut tightness,
front wheel bearing play
Check gear box oil level
8
and leakage
Check operation and adjust
pedal stop if necessary
EVERY Check brushes for wear and
9
2 YEARS commutator for dirt
EVERY Replace fuel filter and
4 YEARS fuel hoses
Check tightness of cylinder
10
head / Adjust valves
Replace gear box oil
Check for grease leakage;
adjust gearbox if necessary
11
Items with out a page number reference should be serviced by a Yamaha dealer or other qualified
*
mechanic. This manual does not contain these procedures. They are contained in the Service Manual.
**Related to emission control system.
8-2
R - REPLACE S - SERVICE
20 Rounds
Pre- 20 hours
Opera- 100 miles
tion 160 kms 1000 kms
(Every
month)
CL - CLEAN AND LUBRICATE
125 rds 250 rds 500 rds
125 hrs 250 hrs 500 hrs
600 mls 1200 mls 2500 mls
2000 kms 4000 kms
(Every 6 (Every (Every
months) year) 2 years)
R R
CA CA
C C
C C
CL CL
L L
C C
S S
C C
C C
CA CA
C C
C C
CA CA
C
L - LUBRICATE
1000 rds
1000 hrs
5000mls
8000 kms
(Every
4 years) Page
R 8-5
CA *
C *
C 8-8
CL *
L *
C *
S –
C –
C *
CA *
C *
C 8-10
CA *
S *
R *
CA *
R 8-10
CA *
UTILITY