MK175B1B (7WC1) KOHLER
1A7WC-110EA
()
MK175B1B
PARTS CATALOGUE
©2003 by Yamaha Motor Co., Ltd.
1st edition, January 2003
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan.
FOREWORD
This Parts Catalogue is related to the parts for the model(s) on the cover page. When you are
ordering replacement parts, please refer to this Parts Catalogue and quote both part numbers
and part names correctly.
1. Modifications or additions which have been made after the issue of the Parts Catalogue
will be announced in the Yamaha Parts News.
It is advisable that you make the necessary corrections to the Parts Catalogue according
to the Yamaha Parts News.
2. Abbreviations
The following abbreviations are used in this Parts Catalogue.
“UR” Use specified parts number.
“UN” Use as many as needed.
“AP” Alternate Parts
“LM” Locally Made (Parts need to be ordered locally)
“F#” Frame No. (Applicable machine No.)
“O/S” Over Size
3. The number of components for assembly
• Parts, which are to be supplied in an assembly, are listed with a dot (.) in front of the
part name as shown below.
• The numeral appearing to the right of each component part indicates the quantity of
parts for each assembly unit.
PART NO. DESCRIPTION Q’TY REMARKS
2F5–83310–60 FRONT FLASHER LIGHT ASSY 2
115–83311–60 .BULB (6V–18W) 1
6. The asterisk (*) before a reference number indicates modified items after the first edition.
4. Applicable colours of graphics are represented in the “REMARKS” as shown below.
PART NO. DESCRIPTION Q’TY REMARKS
2N4–24110–00–X5 FUEL TANK COMP. 2 MXR
3J1–24240–10 .GRAPHIC, FUEL TANK 1 FOR MXR
5. Note that the illustrations for reference in finding parts numbers are not to be used for
assembling. When assembling, please use the applicable service manual.
7. Applicable Serial No.
Engine Serial No.
8. Applicable Colour Code
Abbreviation Colour Name Colour Code
LGB LOW GLOSS BLACK 0098
FOREWORD
FOREWORD
CYLINDER ............................................................................1
CRANKSHAFT ......................................................................2
CRANKSHAFT. PISTON .......................................................3
GOVERNOR 1 ......................................................................4
CAMSHAFT. VALVE ............................................................. 5
AIR SHROUD. STARTER .....................................................6
INTAKE 1 ..............................................................................7
CARBURETOR .....................................................................8
EXHAUST .............................................................................9
CRANKCASE ........................................................................10
FUEL TANK ...........................................................................11
MAGNETO ............................................................................12
ELECTRICAL 1 .....................................................................13
EMBLEM. LABEL .................................................................. 14
BODY FITTING .....................................................................15
INDEX
NUMERICAL INDEX .............................................................16
CONTENTS
FIG. 1 CYLINDER
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PART NO. DESCRIPTION
7WC–11111–00
95607–06615
95627–06690
7WC–11181–00
95827–08065
95827–08045
99530–10114
94701–00331
7NJ–11191–00
7NJ–11160–00
90445–131J5
7NJ–11169–00
7NJ–11193–00
95827–06012
HEAD, CYLINDER 1 1
BOLT, STUD 2
BOLT, STUD 2
GASKET, CYLINDER HEAD 1 1
BOLT, FLANGE 2
BOLT, FLANGE 2
PIN, DOWEL 2
PLUG, SPARK (BPR4ES) 1
COVER, CYLINDER HEAD 1 1
BREATHER ASSY 1
HOSE (L106) 1
GASKET, BREATHER COVER 1
GASKET, HEAD COVER 1 1
BOLT, FLANGE 4
7WC1
REMARKS
1
FIG. 2 CRANKSHAFT
REF.
NO.
1
PART NO. DESCRIPTION
7NN–11400–11
CRANKSHAFT ASSY 1
7WC1
REMARKS
2
FIG. 3 CRANKSHAFT. PISTON
REF.
NO.
1
2
3
4
PART NO. DESCRIPTION
730–17441–00
7NJ–11650–00
JA9–11654–01
7NJ–11631–00–98
KEY, FLAT (5MMX30MM) 1
CONNECTING ROD ASSY 1
.BOLT, CONNECTING ROD 2
PISTON (STD) 1
7WC1
REMARKS
7NJ–11635–00
7NJ–11636–00
5
7WC–11610–00
7WC–11604–00
7WC–11605–00
6
4H7–11633–00
7
93450–17025
8
7G4–11561–00
PISTON (0.25MM O/S) 1 AP
PISTON (0.50MM O/S) 1 AP
PISTON RING SET (STD) 1
PISTON RING SET (0.25MM O/S) 1 AP
PISTON RING SET (0.50MM O/S) 1 AP
PIN, PISTON 1
CIRCLIP 2
SHIM,CRANK 1 (T=0.1) 1 UN
3
FIG. 4 GOVERNOR 1
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PART NO. DESCRIPTION
7NJ–11970–00
7NJ–11913–00
7FK–11914–00
90201–065K7
93440–06107
90201–065K7
JA9–11917–00
7NJ–11922–00
92907–06200
90468–18008
7NN–11924–00
97027–06030
92907–06600
90173–06017
7LV–11928–10
FLYWEIGHT SHAFT ASSY. 1
.WEIGHT 2
.SHAFT, WEIGHT 2
WASHER, PLATE 1
CIRCLIP 1
WASHER, PLATE 1
COLLAR 1
FORK, GOVERNOR 1
WASHER 1
CLIP 1
ARM, GOVERNOR 1
BOLT 1
WASHER, PLATE 1
NUT, SQUARE 1
ROD, LINK 1
7WC1
REMARKS
16
90506–04495
17
7NN–41240–00
18
98507–05025
19
90501–090A8
20
7NN–11925–00
21
77Y–11950–01
22
90153–05003
23
7UH–11932–00
24
98507–04006
25
99001–04600
SPRING, TENSION 1
THROTTLE LEVER COMP. 1
.SCREW, PAN HEAD 1
.SPRING, COMPRESSION 1
SPRING, GOVERNOR 1
HOLDER, WIRE 1
SCREW, HEXAGON 1
SETTER, WIRE 1
SCREW, PAN HEAD 1
CIRCLIP 1
4
FIG. 5 CAMSHAFT. VALVE
REF.
NO.
1
2
3
4
5
PART NO. DESCRIPTION
7NJ–12170–03
7NJ–12287–00
7NJ–12111–00
7NJ–12121–00
7WC–12153–00
CAMSHAFT ASSY 1 1
.SPRING, DECOMPRESSION 1
VALVE, INTAKE 1
VALVE, EXHAUST 1
LIFTER, VALVE 2 UR
7WC1
REMARKS
JA9–12153–10
6
90501–205J4
7
7NJ–12117–00
8
7NJ–12118–00
9
7NN–12151–00
10
7NN–12165–02
11
7FK–12157–00
12
7FK–12158–00
13
7NJ–12155–01
14
7NJ–12154–00
15
51Y–12119–00
LIFTER, VALVE 2 UR
SPRING, COMPRESSION 2
RETAINER, VALVE SPRING 2
COTTER, VALVE 2
ARM, VALVE ROCKER 2
PIVOT, ROCKER ARM 2
BOLT 2
NUT, LOCK 2
GUIDE, PUSH ROD 1
ROD, VALVE PUSH 2
SEAL, VALVE STEM 1
5
FIG. 6 AIR SHROUD. STARTER
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PART NO. DESCRIPTION
7NJ–12621–00
95807–06012
95880–06012
7NJ–12651–02
95807–06012
7UF–15710–00
7UF–15711–00
7UF–15714–00
7UF–15713–00
7TA–15741–00
7TA–15716–00
JL8–15715–00
7NJ–15793–00
7UF–15751–00
7UR–15755–00
CASE, FAN 1
BOLT, FLANGE 4
BOLT, FLANGE 1
AIR SHROUD, CYLINDER 1 1
BOLT, FLANGE 1
STARTER ASSY 1
.CASE, STARTER 1
.DRUM, SHEAVE 1
.SPRING, STARTER 1
.PAWL, DRIVE 2
.PLATE, DRIVE 1
.SPRING, FRICTION 1
.SCREW 1
.WIRE, STARTER 1
.HANDLE, STARTER 1
7WC1
REMARKS
16
95807–06008
17
7UF–15723–00
BOLT, FLANGE 3
PULLEY, STARTER 1
6
FIG. 7 INTAKE 1
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PART NO. DESCRIPTION
7NJ–13596–00
7NJ–13557–00
7NJ–13567–00
7UF–14411–00
7UF–14412–00
7UF–14451–00
7UF–14461–00
7UF–14452–00
90175–06012
7UF–14439–00
95707–06500
95827–06020
7UF–14583–00
7UF–14445–00
JOINT, CARBURETOR 2 1
GASKET 2
GASKET 1
CASE, AIR CLEANER 1 1
CAP, CLEANER CASE 1 1
ELEMENT, AIR CLEANER 1
ELEMENT, AIR CLEANER 2 1
SEAL 1
NUT, WING 1
NUT 1
NUT, FLANGE 2
BOLT, FLANGE 1
LEVER, CHOKE 1
GROMMET 1
7WC1
REMARKS
7
FIG. 8 CARBURETOR
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
PART NO. DESCRIPTION
7UF–14101–00
7LG–14185–00
22F–14186–00
7NJ–1495F–1A
7G0–14184–00
7EG–14181–00
7G0–14227–00
7RH–14486–00
73A–14212–00
7NJ–14211–00
7EG–14159–00
7LG–14150–11
1HX–1423A–70–A0
CARBURETOR ASSY 1 1
.FLOAT 1
.PIN, FLOAT 1
.NOZZLE, MAIN 1
.GASKET, FLOAT CHAMBER 1
.BODY, FLOAT CHAMBER 1 1
.WASHER 1
.SCREW, ROD 2
.SPRING 2
.SCREW, PILOT ADJUSTING 1
.CLIP 1
.NEEDLE ASSY 1
.JET, MAIN (#97.5) 1
7WC1
REMARKS
1HX–1423A–69–A0
1HX–14231–18–A0
1HX–1423E–32–A0
1HX–14231–16–A0
1HX–14231–18–A0
1HX–1423A–68–A0
14
620–1414J–16–A0
15
7NJ–14162–00
16
73A–14212–00
17
7E1–14191–00
18
7LV–14118–00
19
7RH–14216–00
.JET, MAIN (# 92.5) 1 AP BS 4K-8KFT
.JET, MAIN (# 90) 1 AP BS 8KFT-
.JET, MAIN (#81.3) 1 AP HD 4K-8KFT
.JET, MAIN (# 80) 1 AP HD 8KFT-
.JET, MAIN (# 90) 1 AP SD 4K-8KFT
.JET, MAIN (# 87.5) 1 AP SD 8KFT-
.JET, PILOT (#41.3) 1
.BOLT, HOLDING 1
.SPRING 1
.PLUG, DRAIN 1
.CAP 1
.SCREW 2
8
FIG. 9 EXHAUST
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
PART NO. DESCRIPTION
7NN–14721–05
7LL–14786–00
7NJ–14799–01
7NJ–14788–00
7NJ–1479E–00
90153–05024
7UF–14708–00
97027–06010
92907–06600
95827–06016
90201–06071
95307–06600
JA9–14613–00
MUFFLER 2 1
ARRESTER, SPARK 1
CAP 1
BAND, SILENCER 1
NET, WIRE 2 1
SCREW, HEXAGON 1
PROTECTOR ASSY 1
BOLT 4
WASHER, PLATE 4
BOLT, FLANGE 1
WASHER, PLATE 1
NUT 2
GASKET, EXHAUST PIPE 1
7WC1
REMARKS
9
FIG. 10 CRANKCASE
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PART NO. DESCRIPTION
7WC–15111–10
93306–20511
93102–25090
93104–06062
95027–10016
90430–10188
99530–08016
7NN–15411–01
7FK–11971–00
93306–20511
93102–25448
7NJ–15451–00
95827–08035
7NN–15362–00
90430–17002
CRANKCASE 1 1
BEARING 1
OIL SEAL 1
OIL SEAL 1
BOLT, FLANGE 2
GASKET 2
PIN, DOWEL 2
COVER, CRANKCASE 1(M8X1.25) 1
SHAFT, FLYWEIGHT 1
BEARING 1
OIL SEAL 1
GASKET, CRANKCASE COVER 1 1
BOLT, FLANGE 6
PLUG, OIL LEVEL 1
GASKET 1
7WC1
REMARKS
16
1G8–15362–00
17
93210–13657
PLUG, OIL LEVEL 1
O-RING 1
10
FIG. 11 FUEL TANK
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PART NO. DESCRIPTION
7UF–24110–01–98
7T9–24610–00
7T9–24612–00
730–24167–10
95827–06012
7UF–24115–00
7UF–24116–00
90338–05251
95827–08020
90201–08102
7NN–24311–00
90467–09037
7NJ–24500–01
7J3–24521–00
4X8–24565–00
FUEL TANK COMP. 1 LGB
CAP ASSY 1
.GASKET, CAP 1
STRAINER 1
BOLT, FLANGE 4
STAY, FUEL TANK 1 1
STAY, FUEL TANK 2 1
PLUG 3
BOLT, FLANGE 4
WASHER, PLATE 3
PIPE, FUEL 1 1
CLIP 2
FUEL COCK ASSY 1 1
.CUP, FILTER 1
.GASKET 1
7WC1
REMARKS
16
7NJ–24534–00
17
7NJ–24532–00
18
7NJ–24515–01
.SEAL, COCK 1
.GASKET 1
.NET, FILTER 2 1
11
FIG. 12 MAGNETO
REF.
NO.
1
2
3
4
5
6
7
8
9
10
PART NO. DESCRIPTION
7NN–85650–00
7NN–85640–01
95827–06020
90170–14403
92907–14200
90280–04052
JN6–82370–00
7NJ–85720–02
95827–06012
7NJ–85724–00
ROTOR ASSY 1
T.C.I. UNIT ASSY 1
BOLT, FLANGE 2
NUT 1
WASHER 1
KEY, WOODRUFF 1
PLUG CAP ASSY 1
OIL LEVEL GAUGE ASSY 1
BOLT, FLANGE 3
CLAMP 1
7WC1
REMARKS
12
FIG. 13 ELECTRICAL 1
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
PART NO. DESCRIPTION
7NN–82550–00
95704–06500
98507–06016
90464–07078
7UF–82507–00
7WG–85690–01
7NJ–85770–00
98507–06016
95704–06500
7NN–82599–00
90464–23041
ENGINE STOP SWITCH ASSY 1
NUT, FLANGE 1
SCREW, PAN HEAD 1
CLAMP 1
WIRE, LEAD 1
OIL WARNING UNIT 1
OIL PILOT LIGHT ASSY 1
SCREW, PAN HEAD 1
NUT, FLANGE 1
COVER, CONNECTER 1
CLAMP 1
7WC1
REMARKS
13
FIG. 14 EMBLEM. LABEL
REF.
NO.
1
2
3
4
5
6
PART NO. DESCRIPTION
7UR–24164–00
7UF–24155–00
7UF–12629–00
7UF–24161–01
7UR–2415E–00
7RK–24154–00
EMBLEM 4 (ENGINE MAINTENANCE) 1
INDICATOR, CHOKE 1
EMBLEM (KOHLER) 1
EMBLEM 1(KOHLER COMMAND PRO'6) 1
LABEL, CAUTION (WARNING) 1
INDICATOR, SHIFT 1
7WC1
REMARKS
14
FIG. 15 BODY FITTING
REF.
NO.
1
PART NO. DESCRIPTION
2T4–28147–00
BOX 21 1
7WC1
REMARKS
15
PA RT NO.
7WC–11111–00
7NJ–11160–00
7NJ–11169–00
7WC–11181–00
7NJ–11191–00
7NJ–11193–00
7NN–11400–11
7G4–11561–00
7WC–11604–00
7WC–11605–00
7WC–11610–00
7NJ–11631–00–98
4H7–11633–00
7NJ–11635–00
7NJ–11636–00
7NJ–11650–00
JA9–11654–01
7NJ–11913–00
7FK–11914–00
JA9–11917–00
7NJ–11922–00
7NN–11924–00
7NN–11925–00
7LV–11928–10
7UH–11932–00
77Y–11950–01
7NJ–11970–00
7FK–11971–00
7NJ–12111–00
7NJ–12117–00
7NJ–12118–00
51Y–12119–00
7NJ–12121–00
7NN–12151–00
7WC–12153–00
JA9–12153–10
7NJ–12154–00
7NJ–12155–01
7FK–12157–00
7FK–12158–00
7NN–12165–02
7NJ–12170–03
7NJ–12287–00
7NJ–12621–00
7UF–12629–00
7NJ–12651–02
7NJ–13557–00
7NJ–13567–00
REF.
NO.
1– 1
1–10
1–12
1– 4
1– 9
1–13
2– 1
3– 8
3– 5
3– 5
3– 5
3– 4
3– 6
3– 4
3– 4
3– 2
3– 3
4– 2
4– 3
4– 7
4– 8
4–11
4–20
4–15
4–23
4–21
4– 1
10 – 9
5– 3
5– 7
5– 8
5–15
5– 4
5– 9
5– 5
5– 5
5–14
5–13
5–11
5–12
5–10
5– 1
5– 2
6– 1
14 – 3
6– 4
7– 2
7– 3
PA RT NO.
7NJ–13596–00
7UF–14101–00
7LV–14118–00
620–1414J–16–A0
7LG–14150–11
7EG–14159–00
7NJ–14162–00
7EG–14181–00
7G0–14184–00
7LG–14185–00
22F–14186–00
7E1–14191–00
7NJ–14211–00
73A–14212–00
7RH–14216–00
7G0–14227–00
1HX–14231–16–A0
1HX–14231–18–A0
1HX–1423A–68–A0
1HX–1423A–69–A0
1HX–1423A–70–A0
1HX–1423E–32–A0
7UF–14411–00
7UF–14412–00
7UF–14439–00
7UF–14445–00
7UF–14451–00
7UF–14452–00
7UF–14461–00
7RH–14486–00
7UF–14583–00
JA9–14613–00
7UF–14708–00
7NN–14721–05
7LL–14786–00
7NJ–14788–00
7NJ–14799–01
7NJ–1479E–00
7NJ–1495F–1A
7WC–15111–10
1G8–15362–00
7NN–15362–00
7NN–15411–01
7NJ–15451–00
7UF–15710–00
7UF–15711–00
7UF–15713–00
7UF–15714–00
REF.
NO.
7– 1
8– 1
8–18
8–14
8–12
8–11
8–15
8– 6
8– 5
8– 2
8– 3
8–17
8–10
8– 9
8–19
8– 7
8–13
8–13
8–13
8–13
8–13
8–13
7– 4
7– 5
7–10
7–14
7– 6
7– 8
7– 7
8– 8
7–13
9–13
9– 7
9– 1
9– 2
9– 4
9– 3
9– 5
8– 4
10 – 1
10 – 16
10 – 14
10 – 8
10 – 12
6– 6
6– 7
6– 9
6– 8
PA RT NO .
JL8–15715–00
7TA–15716–00
7UF–15723–00
7TA–15741–00
7UF–15751–00
7UR–15755–00
7NJ–15793–00
730–17441–00
7UF–24110–01–98
7UF–24115–00
7UF–24116–00
7RK–24154–00
7UF–24155–00
7UR–2415E–00
7UF–24161–01
7UR–24164–00
730–24167–10
7NN–24311–00
7NJ–24500–01
7NJ–24515–01
7J3–24521–00
7NJ–24532–00
7NJ–24534–00
4X8–24565–00
7T9–24610–00
7T9–24612–00
2T4–28147–00
7NN–41240–00
JN6–82370–00
7UF–82507–00
7NN–82550–00
7NN–82599–00
7NN–85640–01
7NN–85650–00
7WG–85690–01
7NJ–85720–02
7NJ–85724–00
7NJ–85770–00
90153–05003
90153–05024
90170–14403
90173–06017
90175–06012
90201–06071
90201–065K7
90201–08102
90280–04052
90338–05251
NUMERICAL INDEX
REF.
NO.
6–12
6–11
6–17
6–10
6–14
6–15
6–13
3– 1
11 – 1
11 – 6
11 – 7
14 – 6
14 – 2
14 – 5
14 – 4
14 – 1
11 – 4
11 – 11
11 – 13
11 – 18
11 – 14
11 – 17
11 – 16
11 – 15
11 – 2
11 – 3
15 – 1
4–17
12 – 7
13 – 5
13 – 1
13 – 10
12 – 2
12 – 1
13 – 6
12 – 8
12 – 10
13 – 7
4–22
9– 6
12 – 4
4–14
7– 9
9–11
4– 4
11 – 10
12 – 6
11 – 8
PA RT NO .
90430–10188
90430–17002
90445–131J5
90464–07078
90464–23041
90467–09037
90468–18008
90501–090A8
90501–205J4
90506–04495
92907–06200
92907–06600
92907–14200
93102–25090
93102–25448
93104–06062
93210–13657
93306–20511
93440–06107
93450–17025
94701–00331
95027–10016
95307–06600
95607–06615
95627–06690
95704–06500
95707–06500
95807–06008
95807–06012
95827–06012
95827–06016
95827–06020
95827–08020
95827–08035
95827–08045
95827–08065
95880–06012
97027–06010
97027–06030
98507–04006
98507–05025
98507–06016
99001–04600
99530–08016
REF.
NO.
10 – 6
10 – 15
1–11
13 – 4
13 – 11
11 – 12
4–10
4–19
5– 6
4–16
4– 9
4–13
9– 9
12 – 5
10 – 3
10 – 11
10 – 4
10 – 17
10 – 2
4– 5
3– 7
1– 8
10 – 5
9–12
1– 2
1– 3
13 – 2
7–11
6–16
6– 2
1–14
11 – 5
12 – 9
9–10
7–12
12 – 3
11 – 9
10 – 13
1– 6
1– 5
6– 3
9– 8
4–12
4–24
4–18
13 – 3
4–25
10 – 7
PA RT NO .
99530–10114
REF.
NO.
1– 7
PART NO.
REF.
NO.
16