YAMAHA MK175 PARTS CATALOGUE 7WCD
YAMAHA MULTI−PURPOSE ENGINE
MK175
MK175
(7WC1/2/3/4/5)
(7WD1)
KOHLER
KOHLER
117WC−110E2
MK175
PARTS CATALOGUE
E2002 by Yamaha Motor Co., Ltd.
1st Edition, Mar. 2002
All rights reserved.
Any reprinting or unauthorized us e
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) in the below frame. 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 issue of the Parts Catalogue
will be a nnounced in the Yamaha Parts News.
It is advisable that you make 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” Local Made (Parts need to be ordered locally)
“F#” Frame No. (Applicable machine No.)
3. Parts, which are to be supplied in an assembly, are listed with a dot(.) in front of the
part name as shown below.
EXAMPLE
CARBURETOR ASSY
.JET, PILOT
.NOZZLE, MAIN
5. Applicable colors of graphics are represented in the REMARKS as shown below.
PART NO. DESCRIPTION Q’TY REMARKS
7UF−24110−00−98 FUEL TANK COMP. 1 LGB
7UF−24610−00 CAP ASSY 1
6. Applicable Serial No. and Color Code
See the Serial No list on next page.
Serial No.
Color
Code
0098 LOW GLOSS BLACK LGB
7. Note that the illustraitions for reference in finding parts numbers, not be used for assembling. When assembling, please use the applicable service manual.
Color Name
Abbrevi-
ation
4. Number of component for assembly
The numeral appearing to the right of each component part indicates the quantity of
parts for each assembly unit.
EXAMPLE
PART NO. DESCRIPTION Q’TY REMARKS
2F5−83310−60 FRONT FLASHER LIGHT ASSY 2
115−83311−60 .BULB (6V−18W) 1
Engine Serial No.
This parts catalogue is related to the parts for the models in the list below.
MODEL CODE MODEL NAME SPECIFICATION (OUT LINE) ENGINE SERIAL NO KOHLER SPEC NO
7WC1 MK175A1B straight shaft 7WC−0100101 911501
7WC1 MK175A1B−K straight shaft 7WC−0120101 911514
7WC1 MK175A2B straight shaft 7WC−0140101 911502
7WC1 MK175A2BP straight shaft 7WC−0160101 911507
7WC1 MK175A2BPU F/T LESS, A/C MZ TYPE 7WC−0180101 911512
7WC1 MK175A2D Cyclone 7WC−0170101 911503
7WC1 MK175A1−BV straight shaft 7WC−0150101 911515
7WC2 MK175E2B Thread shaft 7WC−0200101 911505
7WC3 MK175K2B−50 Taper shaft 7WC−0300101 911510
7WC3 MK175K2B−60 Taper shaft 7WC−0320101 911506
7WC3 MK175K9 F/T LESS, A/C MZ TYPE 7WC−0340101 911511
7WC4 MK175Br2B/6 1:6 Reduction 7WC−0400101 911504
7WC5 MK175Br2B 1:2 Reduction 7WC−0500101 911508
7WD1 MK175A3BP straight shaft 7WD−0100101 911509
7WD1 MK175A3BPU F/T LESS, A/C MZ TYPE 7WD−0120101 911513
7WD1 MK175A3BPM F/T LESS, 5%GOV. 7WD−0140101 911516
CYLINDER 1.........................................
CRANKSHAFT 2......................................
CRANKSHAFT. PISTON 3..............................
GOVERNOR 1 (EXCEPT FOR 911506,911510,911511) 4...
GOVERNOR 2 (FOR 911506,911510) 6..................
GOVERNOR 3 (FOR 911511) 7.........................
CAMSHAFT. VALVE 8.................................
AIR SHROUD. STARTER 9.............................
INTAKE 1 (EXCEPT FOR 911511) 10.....................
INTAKE 2 (FOR 911511) 11..............................
INTAKE 3 (FOR 911509,911513,911516) 12................
CARBURETOR 13.....................................
EXHAUST (EXCEPT FOR 911515,911511) 15..............
CRANKCASE 16.......................................
BRACKET 1 18........................................
FUEL TANK(EXCEPT FOR 911512,9115 11,911513,911516) 19
MAGNETO 20.........................................
STARTING MOTOR (EL. START MODEL) 21...............
ELECTRICAL 1 22.....................................
ELECTRICAL 2 (FOR 911509,911516) 23.................
EMBLEM. LABEL 24....................................
BODY FITTING 25.....................................
INDEX
NUMERICAL INDEX 26.................................
CONTENTS
FIG. 1 CYLINDER
REF.
NO.
PART NO. DESCRIPTION REMARKS
17WC−11111−00 HEAD, CYLINDER 1 1 1 1
2 95607−06615 BOLT, STUD 2 2 2
3 95627−06690 BOLT, STUD 2 2 2
175
175R
7WD1
90116−06493 BOLT, STUD 2 2 FOR 911503,911512,
47WC−11181−00 GASKET, CYLINDER HEAD 1 1 1 1
5 95827−08065 BOLT, FLANGE 2 2 2
6 95827−08045 BOLT, FLANGE 2 2 2
7 99530−10114 PIN, DOWEL 2 2 2
8 94702−00331 PLUG, SPARK (BPR4ES) 1 1 1
97NJ−11191−00 COVER, CYLINDER HEAD 1 1 1 1
10 7NJ−11160−00 BREATHER ASSY 1 1 1
11 90445−131J5 HOSE (L106) 1 1 1 EXCEPT FOR 911503
7UF−11166−00 PIPE, BREATHER 1 1 FOR 911503
12 7NJ−11169−00 GASKET, BREATHER COVER 1 1 1
13 7NJ−11193−00 GASKET, HEAD COVER 1 1 1 1
14 95827−06012 BOLT, FLANGE 4 4 4
911511,911513
1
FIG. 2 CRANKSHAFT
REF.
NO.
PART NO. DESCRIPTION REMARKS
17NN−11400−00 CRANK ASSY (5/16−24UNF−2B STRAIGHT) 1 1 *
7NM−11400−10 CRANK ASSY (5/8−18UNF−2A THREAD) 1 FOR 911505
175
175R
7WD1
7NN−11400−40 CRANK ASSY (5/16−24UNF TAPER) 1 FOR 911506,911510,
7UF−11400−10 CRANK ASSY (5/16−24UNF STRAIGHT) 1 FOR 911515
7UF−11400−00 CRANK ASSY(M6X1.0−2 THREAD) 1 FOR 911504
7NN−11400−50 CRANK ASSY(M8X1.25−2 STRAIGHT) 1 FOR 911508
* FOR 911501,911502,911503,911507,911509,911512,911513,911514
911511
2
FIG. 3 CRANKSHAFT. PISTON
REF.
NO.
10 90282−05001 KEY, STRAIGHT (5MMX16MM) 1 1:2 REDUCTION
11 90201−085G6 WASHER, PLATE 1 1:2 REDUCTION
PART NO. DESCRIPTION REMARKS
1 90282−05035 KEY, STRAIGHT (4.7MMX35MM) 1 1 EXCEPT FOR 911505,
27NJ−11650−00 CONNECTING ROD ASSY 1 1 1
3 JA9−11654−01 .BOLT, CONNECTING ROD 2 2 2
47NJ−11631−00−98 PISTON (STD) 1 1 1
7NJ−11635−00 PISTON (0.25MM O/S) 1 1 1 AP
7NJ−11636−00 PISTON (0.50MM O/S) 1 1 1 AP
57WC−11610−00 PISTON RING SET (STD) 1 1 1
7WC−11604−00 PISTON RING SET (0.25MM O/S) 1 1 1 AP
7WC−11605−00 PISTON RING SET (0.50MM O/S) 1 1 1 AP
64H7−11633−00 PIN, PISTON 1 1 1
7 93450−17025 CIRCLIP 2 2 2
8 90201−20611 WASHER, PLATE 1 1:2 REDUCTION
97NN−11437−00 SPROCKET, IDLE 1 1 1:2 REDUCTION
175
175R
7WD1
911506,911510,911511
12 95827−08025 BOLT, FLANGE 1 1:2 REDUCTION
13 7NN−11456−00 CHAIN, PRIMARY 1 1:2 REDUCTION
14 7NN−11465−00 SHAFT 2 1 1:2 REDUCTION
15 7NN−11557−00 WASHER 1 1 1:2 REDUCTION
16 7UF−11465−00 SHAFT 2 1 1:6 REDUCTION
17 730−17441−00 KEY, FLAT (5MMX30MM) 1 1:2 REDUCTION
90282−05003 KEY, STRAIGHT 1 1:6 REDUCTION
18 7G4−11561−00 SHIM,CRANK 1 (T=0.1) 1 1 UR
7G4−11561−10 SHIM, CRANK 1 (T=0.2) 1 UR FOR 911505
7G4−11561−20 SHIM, CRANK 1 (T=0.3) 1 UR FOR 911505
3
FIG. 4 GOVERNOR 1 (EXCEPT FOR 911506,911510,911511)
REF.
NO.
10 90468−18008 CLIP 1 1 1
11 7 NN−11924−00 ARM, GOVERNOR 1 1
12 97027−06030 BOLT 1 1 1
13 92907−06600 WASHER, PLATE 1 1 1
14 90173−06017 NUT, SQUARE 1 1 1
15 7LV−11928−10 ROD, LINK 1 1 1
PART NO. DESCRIPTION REMARKS
17NJ−11970−00 FLYWEIGHT SHAFT ASSY. 1 1 1
27NJ−11913−00 .WEIGHT 2 2 2
3 7FK−11914−00 .SHAFT, WEIGHT 2 2 2
4 90201−065K7 WASHER, PLATE 1 1 1
5 93440−06107 CIRCLIP 1 1 1
6 90201−065K7 WASHER, PLATE 1 1 1
7 JA9−11917−00 COLLAR 1 1 1
87NJ−11922−00 FORK, GOVERNOR 1 1 1
9 92907−06200 WASHER 1 1 1
175
175R
7WD1
16 90506−04495 SPRING, TENSION 1 1 1
*17 7NN−41240−00 THROTTLE LEVER COMP. 1 1 1
7NN−11950−00 ADJUST PLATE COMP. 1 FOR 911516
*18 98507−05025 .SCREW, PAN HEAD 1 1 1
98507−06035 .SCREW, PAN HEAD 1 FOR 911516
*19 90501−090A8 .SPRING, COMPRESSION 1 1 1
90501−10264 .SPRING, COMPRESSION 1 FOR 911516
*20 7NN−11925−00 SPRING, GOVERNOR 1 1 1
7NN−11925−10 SPRING, GOVERNOR 1 FOR 911516
*21 77Y−11950−01 HOLDER, WIRE 1 1 1 EXCEPT FOR 911505,
*22 90153−05003 SCREW, HEXAGON 1 1 1 EXCEPT FOR 911505,
*23 7UH−11932−00 SETTER, WIRE 1 1 1 EXCEPT FOR 911505,
911516
911516
911516
4
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