Yamaha Yz125k1 Instruction Manual

YZ125K1 A1

YZ125K1 A2

YZ125K1 A3

YZ125K1 A4

1 4JY-11111-01-00 HEAD, CYLINDER 1 . . . . . . . . . 1

2 90116-08394-00 BOLT, STUD . . . . . . . . . . . . . . 5

3 90176-08026-00 NUT, CROWN . . . . . . . . . . . . . 5

4 90201-08087-00 WASHER, PLATE . . . . . . . . . . . 5

5 93210-63442-00 O-RING . . . . . . . . . . . . . . . . . . 1

6 93210-90785-00 O-RING . . . . . . . . . . . . . . . . . . 1

7 4SS-11311-10-00 CYLINDER 1 . . . . . . . . . . . . . . 1

8 5DH-11351-00-00 GASKET, CYLINDER . . . . . . . . 1

9 90116-08318-00 BOLT, STUD . . . . . . . . . . . . . . 2

10 90116-08388-00 BOLT, STUD . . . . . . . . . . . . . . 2

11 99530-10114-00 PIN, DOWEL . . . . . . . . . . . . . . 2

12 90179-08299-00 NUT . . . . . . . . . . . . . . . . . . . . . 4

13 NGK-BR9EG-00-00 PLUG, SPARK (NGK BR9EG) . 1

14 4SS-1131A-02-00 VALVE 1 . . . . . . . . . . . . . . . . . 1

15 4SS-1132A-02-00 VALVE 2 . . . . . . . . . . . . . . . . . 1

16 4JY-1131E-00-00 HOLDER 1 . . . . . . . . . . . . . . . . 2

17 98907-05010-00 SCREW, BIND . . . . . . . . . . . . . 2

18 90201-057H5-00 WASHER, PLATE . . . . . . . . . . . 2

19 4SS-1131V-00-00 SHAFT 1 . . . . . . . . . . . . . . . . . 1

20 4SS-11832-00-00 LEVER, LINK . . . . . . . . . . . . . . 1

21 91317-04008-00 BOLT . . . . . . . . . . . . . . . . . . . . 1

22 93604-18251-00 PIN, DOWEL . . . . . . . . . . . . . . 2

23 93104-08040-00 OIL SEAL . . . . . . . . . . . . . . . . . 1

24 4SS-1131M-00-00 COVER . . . . . . . . . . . . . . . . . . 1

25 4JY-11166-00-00 PIPE, BREATHER 1 . . . . . . . . . 1

26 90467-13062-00 CLIP . . . . . . . . . . . . . . . . . . . . 1

27 4JY-11354-02-00 GASKET . . . . . . . . . . . . . . . . . 1

28 98907-05016-00 SCREW, BIND . . . . . . . . . . . . . 4

29 90508-161B3-00 SPRING, TORSION . . . . . . . . . 2

CONTINUED ON NEXT FRAME

➤

CYLINDER HEAD

Ref. Part

No. Number Description Qty Remarks

YZ125K1

30 90387-08785-00 COLLAR . . . . . . . . . . . . . . . . . 2

31 4JY-11991-01-00 HOUSING 1 . . . . . . . . . . . . . . . 1

32 4JY-11993-01-00 . GASKET . . . . . . . . . . . . . . . . 1

33 97007-05016-00 BOLT . . . . . . . . . . . . . . . . . . . . 4

34 92907-05600-00 WASHER, PLATE . . . . . . . . . . . 4

35 4JY-11995-00-00 SEAL, HOUSING . . . . . . . . . . . 1

CYLINDER HEAD

Ref. Part

No. Number Description Qty Remarks

YZ125K1

1 4JY-11915-01-00 PLATE, THRUST 1 . . . . . . . . . . 1

2 98507-05012-00 SCREW, PAN HEAD . . . . . . . . 1

3 4SS-11990-00-00 PUSH ROD ASSEMBLY . . . . . . 1

4 90387-085E1-00 COLLAR . . . . . . . . . . . . . . . . . 1

5 90201-057H5-00 WASHER, PLATE . . . . . . . . . . . 1

6 97007-05012-00 BOLT . . . . . . . . . . . . . . . . . . . . 1

7 93104-08040-00 OIL SEAL . . . . . . . . . . . . . . . . . 1

8 3JE-11922-01-00 FORK, GOVERNOR . . . . . . . . . 1

9 91317-04006-00 BOLT . . . . . . . . . . . . . . . . . . . . 2

10 93300-60801-00 BEARING (B0060) . . . . . . . . . . 2 KOYO

11 5X4-11921-02-00 SHAFT, GOVERNOR . . . . . . . . 1

12 24X-11953-01-00 GEAR, GOVERNOR . . . . . . . . . 1

13 90560-08213-00 SPACER . . . . . . . . . . . . . . . . . 1

14 90501-30742-00 SPRING, COMPRESSION . . . . . 1

15 5X4-11952-00-00 PLATE . . . . . . . . . . . . . . . . . . . 1

16 90201-151A7-00 WASHER, PLATE (T=1.0) . . . . . 4

17 90387-152F2-00 COLLAR . . . . . . . . . . . . . . . . . 1

18 93340-21505-00 BEARING . . . . . . . . . . . . . . . . . 2

19 5X5-11912-01-00 RETAINER, WEIGHT . . . . . . . . 1

20 5X5-11911-01-00 RETAINER . . . . . . . . . . . . . . . . 1

21 93521-64032-00 BALL . . . . . . . . . . . . . . . . . . . . 4

22 93603-14240-00 PIN, DOWEL . . . . . . . . . . . . . . 1

23 90387-107T9-00 COLLAR . . . . . . . . . . . . . . . . . 1 AP

GOVERNOR

Ref. Part

No. Number Description Qty Remarks

YZ125K1

1 5DH-11400-00-00 CRANKSHAFT ASSEMBLY . . . 1

2 4SS-11410-10-00 . CRANKSHAFT . . . . . . . . . . . . 1

3 4SS-11420-00-00 . CRANKSHAFT . . . . . . . . . . . . 1

4 4PE-11651-02-00 . ROD, CONNECTING . . . . . . . . 1

5 3JD-11681-02-00 . PIN, CRANK 1 . . . . . . . . . . . . 1

6 90209-22071-00 . WASHER . . . . . . . . . . . . . . . . 2

7 93310-522P7-00 . BEARING . . . . . . . . . . . . . . . . 1

8 4XM-11631-10-A0 PISTON . . . . . . . . . . . . . . . . . . 1

4XM-11631-10-B0 PISTON . . . . . . . . . . . . . . . . . . 1

4XM-11631-10-C0 PISTON . . . . . . . . . . . . . . . . . . 1

4XM-11631-10-D0 PISTON . . . . . . . . . . . . . . . . . . 1

9 4JY-11611-00-00 RING, PISTON . . . . . . . . . . . . . 1

10 4XM-11633-10-00 PIN, PISTON . . . . . . . . . . . . . . 1

11 93450-16068-00 CIRCLIP . . . . . . . . . . . . . . . . . . 2

12 93310-315S4-00 BEARING . . . . . . . . . . . . . . . . . 1

13 93306-37204-00 BEARING (63/22SH2-9TC4) . . . 2 KOYO

14 93102-22363-00 OIL SEAL . . . . . . . . . . . . . . . . . 1

15 93103-32183-00 OIL SEAL . . . . . . . . . . . . . . . . . 1

16 90280-03045-00 KEY, WOODRUFF . . . . . . . . . . 1

CRANKSHAFT - PISTON

Ref. Part

No. Number Description Qty Remarks

YZ125K1

1 5DH-12459-00-00 GEAR, IMPELLER SHAFT . . . . 1

2 5DH-12451-00-00 IMPELLER, WATER PUMP . . . . 1

3 99001-06600-00 CIRCLIP . . . . . . . . . . . . . . . . . . 1

4 90201-083P5-00 WASHER, PLATE . . . . . . . . . . . 1

5 90201-08784-00 WASHER, PLATE . . . . . . . . . . . 1

6 93109-11073-00 OIL SEAL . . . . . . . . . . . . . . . . . 1

7 93102-12106-00 OIL SEAL (SD 12-22-5 HS) . . . . 1

8 93306-00105-00 BEARING (B6001) . . . . . . . . . . 1

9 4JY-12422-00-00 COVER, HOUSING . . . . . . . . . . 1

10 4JY-12428-00-00 GASKET, HOUSING COVER 2 . 1

11 93604-10011-00 PIN, DOWEL . . . . . . . . . . . . . . 2

12 95027-06065-00 BOLT, FLANGE . . . . . . . . . . . . 2

13 95027-06030-00 BOLT, FLANGE . . . . . . . . . . . . 2

14 90430-06014-00 GASKET . . . . . . . . . . . . . . . . . 1

15 95027-06010-00 BOLT, FLANGE . . . . . . . . . . . . 1

WATER PUMP

Ref. Part

No. Number Description Qty Remarks

YZ125K1

1 4SS-1240A-00-00 RADIATOR ASSEMBLY . . . . . . 1

2 91A20-05065-00 TUBE, FLEXIBLE VINYL . . . . . 1

3 90467-09006-00 CLIP . . . . . . . . . . . . . . . . . . . . 1

4 4SS-12461-00-00 RADIATOR ASSEMBLY . . . . . . 1

5 22W-12462-00-00 CAP, RADIATOR . . . . . . . . . . . 1

6 4SS-12481-00-00 PIPE 1 . . . . . . . . . . . . . . . . . . . 1

7 4SS-12482-00-00 PIPE 2 . . . . . . . . . . . . . . . . . . . 1

8 4SS-12483-00-00 PIPE 3 . . . . . . . . . . . . . . . . . . . 1

9 4SS-12484-00-00 PIPE 4 . . . . . . . . . . . . . . . . . . . 1

10 90450-28014-00 HOSE CLAMP ASSY . . . . . . . . 4

11 90450-22017-00 HOSE CLAMP ASSY . . . . . . . . 2

12 90467-21068-00 CLIP . . . . . . . . . . . . . . . . . . . . 1

13 90450-25037-00 HOSE CLAMP ASSY . . . . . . . . 1

14 90480-15528-00 GROMMET . . . . . . . . . . . . . . . . 6

15 90387-0700G-00 COLLAR . . . . . . . . . . . . . . . . . 6

16 95027-06030-00 BOLT, FLANGE . . . . . . . . . . . . 6

17 90201-06071-00 WASHER, PLATE . . . . . . . . . . . 6

RADIATOR - HOSE

Ref. Part

No. Number Description Qty Remarks

A10

YZ125K1

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