YAMAHA YZ80M PARTS CATALOGUE 00
YZ80M
(4ES9)
U.S.A., EUROPE ALL
YZ80
YZ80LW
YZ80LW
(4GTG)
(4LC7)
(4LBE)
JAPAN
EUROPE ALL
JAPAN
A
2
204ES–100E1
A
3
FOREWORD
This Parts Catalogueis related to theparts forthemodel(s)inthebelowframe. When you are
orderingreplacementparts,pleaserefertothisParts Catalogueandquotebothpartnumbersand
part names correctly.
YZ80M(4ES9),YZ80(4GTG),YZ80LW(4LC7/4LBE)
1. Modifications or additions which have been made after issue of the Parts
Catalogue will be announced 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
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
1M1–83309–60 .REFLECTOR 1
5. Applicable colors 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
6. Applicable Serial No.
Engine Serial No. Frame Serial No.
7. Note that the illustrations for reference in funding parts numbers, not to be
used for assembling. When assembling, pleas use the applicable service
manual.
8. The asterisk (*) before a reference number indicates modification items
after the first edition.
A
4
MODEL LABEL
(1) A label called “Model Label” is affixed in the location as indicated in (3) below.
When using this parts catalogue, please be sure to cross–refer the “model code –
production code No.” in the catalogue to the “model code – production code No.
“indicated on the Model Label affixed onto the product concemed.
(2) “Model Label”Indication
ab
xxxx – xxx
c
x
(3) Model Label Affixing Location
a: Model Type Code
b: Production Code No.
c: Colouring Type
4TW1–010
A
(4) Model Code – Production Code Number of Model Listed in This Parts Catalog
Model
Code
4ES9
4GTG 010 JAPAN
4LC7
Production
Code No.
010 U.S.A. 4LC7 070 SWEDEN
020 CANADA 4LBE 010 JAPAN
030 GERMANY
040 ESPAÑA
050 FRANCE
060 ENGLAND
070 ITALY
090 SWEDEN
100
020 GERMANY
030 ESPAÑA
040 FRANCE
050 ENGLAND
Country
(destination)
SOUTH AFRICA
Model
Code
Production
Code No.
(destination)
Country
(5) Colouning Information
Model
Code
4ES9
4GTG
4LC7
4LBE
A
5
060 ITALY
Colouring type
code
A 0583
Colour
code
Colour Name
DEEP PURPLISH BLUE
DEEP PURPLISH BLUE
SOLID E
Abbrevi-
ation
DPBSE
FIG. 1 CYLINDER
REF.
NO.
10 90116–08318 BOLT, STUD 2 2 2 2
11 90116–08388 BOLT, STUD 2 2 2 2
12 99530–10114 PIN, DOWEL 2 2 2 2
PARTNO. DESCRIPTION REMARKS
1 4LC–11111–00 HEAD, CYLINDER 1 1 1
4LB–11111–00 HEAD, CYLINDER 1 1 1
2 94702–00368 PLUG, SPARK (NGK BR10EG) 1 1
90793–20136 PLUG, SPARK (NGK BR10EG) 1 1
3 93210–56459 O–RING 1 1 1 1
4 93210–84724 O–RING 1 1 1 1
5 90116–08394 BOLT, STUD 4 4 4 4
6 90176–08026 NUT, CROWN 4 4 4 4
7 90201–08087 WASHER, PLA TE 4 4 4 4
8 4ES–11311–10 CYLINDER 1 1 1
4GT–11311–10 CYLINDER 1 1 1
9 4ES–11351–00 GASKET, CYLINDER 1 1 1 1
4ES9
4GTG
4LC7
4LBE
B
13 90179–08299 NUT 4 4 4 4
2
FIG. 2 CRANKSHAFT. PISTON
REF.
NO.
PARTNO. DESCRIPTION REMARKS
1 4ES–11400–02 CRANKSHAFT ASSY 1 1 1 1
2 4ES–11412–00 .CRANK 1 1 1 1 1
3 4ES–11422–00 .CRANK 2 1 1 1 1
4 4ES–11651–01 .ROD, CONNECTING 1 1 1 1
5 93310–320T3 .BEARING 1 1 1 1
6 2RA–11681–00 .PIN, CRANK 1 1 1 1 1
7 90209–20159 .WASHER 2 2 2 2
8 4ES–11631–01–A0 PISTON (STD) 1 1 UR RED
4ES–11631–01–B0 PISTON (STD) 1 1 UR ORANGE
4ES–11631–01–C0 PISTON (STD) 1 1 UR GREEN
4ES–11631–01–D0 PISTON (STD) 1 1 UR PURPLE
4GT–11631–01–A0 PISTON (STD) 1 1 UR RED
4GT–11631–01–B0 PISTON (STD) 1 1 UR ORANGE
4GT–11631–01–C0 PISTON (STD) 1 1 UR GREEN
4GT–11631–01–D0 PISTON (STD) 1 1 UR PURPLE
4ES9
4GTG
4LC7
4LBE
B
9 4ES–11633–00 PIN, PISTON 1 1 1 1
10 43K–11611–00 RING, PISTON 1 1
4GT–11611–00 RING, PISTON 1 1
11 93450–16115 CIRCLIP 2 2 2 2
12 93310–214F8 BEARING 1 1 1 1 KOYO
13 90280–03045 KEY, WOODRUFF 1 1 1 1
14 93306–20438 BEARING 1 1 1 1
15 93306–30421 BEARING (B6304C3) 1 1 1 1
16 93103–28126 OIL SEAL 1 1 1 1
17 93102–20447 OIL SEAL 1 1 1 1
3
FIG. 3 WATER PUMP
REF.
NO.
10 95827–06060 BOLT, FLANGE 1 1 1 1
11 95027–06025 BOLT, FLANGE 2 2 2 2
PARTNO. DESCRIPTION REMARKS
1 4ES–12459–00 GEAR, IMPELLER SHAFT 1 1 1 1
2 36F–12450–00 IMPELLER SHAFT ASSY 1 1 1 1
3 93103–10147 OIL SEAL 1 1 1 1
4 90201–08512 WASHER, PLA TE 2 2 2 2
5 93603–22028 PIN, DOWEL 1 1 1 1
6 99001–07600 CIRCLIP 1 1 1 1
7 4BA–12422–00 COVER, HOUSING 1 1 1 1
8 4BA–12428–00 GASKET, HOUSING COVER 2 1 1 1 1
9 90430–06166 GASKET 1 1 1 1
4ES9
4GTG
4LC7
4LBE
B
4
FIG. 4 RADIATOR. HOSE
REF.
NO.
10 90480–15528 GROMMET 3 3 3 3
11 90387–0614M COLLAR 3 3 3 3
12 437–83936–01 BAND, SWITCH CORD 1 1 1 1
PARTNO. DESCRIPTION REMARKS
1 4ES–12461–00 RADIATOR ASSY 1 1 1 1
2 22W–12462–00 CAP,RADIATOR 1 1 1 1
3 22W–12463–00 PIPE, BREATHER 1 1 1 1
4 90467–08002 CLIP 1 1 1 1
5 4ES–12481–00 PIPE 1 1 1 1 1
6 4ES–12482–00 PIPE 2 1 1 1 1
7 90450–28014 HOSE CLAMP ASSY 4 4 4 4
8 90201–06071 WASHER, PLA TE 3 3 3 3
9 95027–06030 BOLT, FLANGE 3 3 3 3
4ES9
4GTG
4LC7
4LBE
B
5
FIG. 5 INTAKE
REF.
NO.
10 4ES–14453–00 JOINT, AIR CLEANER 1 1 1 1 1
11 4ES–14459–00 HOLDER, GUIDE 1 1 1 1
12 4ES–14462–00 .SEAL 1 1 1 1
13 97707–50014 SCREW, TAPPING 5 5 5 5
14 90450–99064 HOSE CLAMP ASSY 1 1 1 1
15 4ES–14411–01 CASE, AIR CLEANER 1 1 1 1 1
PARTNO. DESCRIPTION REMARKS
1 4ES–13610–00 REED VALVE ASSY 1 1 1 1
2 4ES–13613–00 .REED, VALVE 2 2 2 2
3 4ES–13616–00 .STOPPER, REED VALVE 2 2 2 2
4 98507–03008 .SCREW, PAN HEAD 4 4 4 4
5 92907–03100 .WASHER 4 4 4 4
6 4ES–13565–00 JOINT, CARBURETOR 1 1 1 1
7 95027–06020 BOLT, FLANGE 4 4 4 4
8 90450–45075 HOSE CLAMP ASSY 1 1 1 1
9 90460–51059 CLAMP, HOSE 1 1 1 1
4ES9
4GTG
4LC7
4LBE
B
16 4ES–14417–00 .COVER 1 1 1 1 1
17 90267–40077 .RIVET, BLIND 2 2 2 2
18 90201–047A2 .WASHER, PLA TE 2 2 2 2
19 92907–04600 .WASHER 2 2 2 2
20 4ES–14451–00 ELEMENT, AIR CLEANER 1 1 1 1
21 4ES–14458–00 GUIDE 1 1 1 1
22 90209–06096 WASHER 1 1 1 1
23 90122–06038 BOLT, WING 1 1 1 1
24 90464–16039 CLAMP 1 1 1 1
6
FIG. 6 CARBURETOR
REF.
NO.
10 137–14143–60 .JET, MAIN (#300) 1 1 1 1 STD
PARTNO. DESCRIPTION REMARKS
1 4ES–14101–10 CARBURETOR ASSY 1 1 1 1 1
2 304–14184–00 .GASKET, FLOAT CHAMBER 1 1 1 1
3 260–14142–32 .JET, PILOT (# 32.5) 1 1 1 1 STD
260–14142–30 .JET, PILOT (# 30) 1 1 1 1 AP
260–14142–35 .JET, PILOT (# 35) 1 1 1 1 AP
4 23L–14107–25 .NEEDLE VALVESET 1 1 1 1
5 127–14186–00 .PIN, FLOAT 1 1 1 1
6 58T–1490J–00 .NEEDLE SET 1 1 1 1
7 93210–18288 .O–RING 1 1 1 1
8 3R1–14115–00 .PLUG, SCREW 1 1 1 1
9 3R1–14141–52 .NOZZLE, MAIN 1 1 1 1 STD
3R1–14141–50 .NOZZLE, MAIN 1 1 1 1 AP
3R1–14141–54 .NOZZLE, MAIN 1 1 1 1 AP
137–14143–58 .JET, MAIN (#290) 1 1 1 1 AP
4ES9
4GTG
4LC7
4LBE
B
137–14143–62 .JET, MAIN (#310) 1 1 1 1 AP
11 314–14185–00 .FLOAT 1 1 1 1
12 31J–14103–00 .THROTTLE SCREW SET 1 1 1 1
13 10V–14196–00 .PIPE 1 1 1 1
14 98507–04018 .SCREW, PAN HEAD 4 4 4 4
15 92907–04100 .WASHER, SPRING 4 4 4 4
16 22W–14106–00 .CABLE ADJUST SCREW SET 1 1 1 1
17 3X3–14169–00 .CAP 1 1 1 1
18 39K–14153–00 .WASHER, MAIN JET 1 1 1 1
19 2X6–14112–30 .VALVE, THROTTLE 1 1 1 1 1 STD
2X6–14112–25 .VALVE, THROTTLE 1 1 1 1 1 AP
2X6–14112–35 .VALVE, THROTTLE 1 1 1 1 1 AP
7
FIG. 6 CARBURETOR
REF.
NO.
20 248–14131–00 .SPRING, THROTTLE VALVE 1 1 1 1
21 2A6–14126–00 .GASKET 1 1 1 1
22 2A6–14158–00 .TOP,MIXING CHAMBER 1 1 1 1
23 3SB–14171–00 .PLUNGER, STAR TER 1 1 1 1
24 10W–14104–00 .AIR SCREW SET 1 1 1 1
25 25G–14937–00 .CLIP 2 2 2 2
26 3JN–14196–00 .PIPE 1 1 1 1
27 3Y1–14197–00 .PIPE 1 1 1 1
PARTNO. DESCRIPTION REMARKS
4ES9
4GTG
4LC7
4LBE
B
8
FIG. 7 EXHAUST
REF.
NO.
10 95027–06012 BOLT, FLANGE 2 2 2 2
11 4ES–14753–00 SILENCER, EXHAUST 1 1 1 1
12 4ES–1469A–00 .FIBER 1 1 1 1
13 90480–16561 GROMMET 1 1 1 1
14 90387–063G3 COLLAR 1 1 1 1
15 95027–06025 BOLT, FLANGE 1 1 1 1
PARTNO. DESCRIPTION REMARKS
1 4ES–14610–10 EXHAUST PIPE ASSY 1 1 1 1 1
2 90201–33299 WASHER, PLA TE 1 1 1 1
3 90480–18411 GROMMET 1 1 1 1
4 90387–105L0 COLLAR 1 1 1 1
5 90201–060A3 WASHER,PLATE 1 1 1 1
6 95027–06025 BOLT, FLANGE 1 1 1 1
7 93210–371A9 O–RING 1 1 1 1
8 90507–20030 SPRING, TENSION 1 1 1 1
9 565–14771–00 STAY, MUFFLER 1 1 1 1 1
4ES9
4GTG
4LC7
4LBE
B
16 17W–14615–00 JOINT, EXHAUST 1 1 1 1 1
9
FIG. 8 CRANKCASE
REF.
NO.
PARTNO. DESCRIPTION REMARKS
1 4ES–15111–00 CRANKCASE 1 1 1 1 1
2 4ES–15121–02 CRANKCASE 2 1 1 1 1
3 99530–10014 PIN, DOWEL 2 2 2 2
4 98507–06040 SCREW, P ANHEAD 3 3 3 3
5 98507–06050 SCREW, P ANHEAD 5 5 5 5
6 98507–06060 SCREW, P ANHEAD 3 3 3 3
7 120–15371–00 BREATHER 1 1 1 1
8 90446–07349 HOSE 1 1 1 1
4ES9
4GTG
4LC7
4LBE
B
10
FIG. 9 CRANKCASE COVER 1
REF.
NO.
10 90430–08119 GASKET 1 1 1 1
11 3Y1–15363–00 PLUG, OIL 1 1 1 1
12 93210–19123 O–RING 1 1 1 1
PARTNO. DESCRIPTION REMARKS
1 4ES–15411–00 COVER, CRANKCASE 1 1 1 1 1
2 98507–06030 SCREW, PAN HEAD 4 4 4 4
3 4ES–15451–00 GASKET, CRANKCASE COVER 1 1 1 1 1
4 4ES–15421–01 COVER, CRANKCASE 2 1 1 1 1
5 4ES–15461–00 GASKET, CRANKCASE COVER 2 1 1 1 1
6 99530–10014 PIN, DOWEL 2 2 2 2
7 95027–06030 BOLT, FLANGE 4 4 4 4
8 95027–06040 BOLT, FLANGE 1 1 1 1
9 95027–08080 BOLT, FLANGE 1 1 1 1
4ES9
4GTG
4LC7
4LBE
B
11
FIG. 10 STARTER
REF.
NO.
10 99009–12400 CIRCLIP 1 1 1 1
11 4ES–15620–00 KICK CRANK ASSY 1 1 1 1
12 4ES–15621–00 .BOSS, KICK CRANK 1 1 1 1
13 93507–32009 .BALL 1 1 1 1
14 90501–12081 .SPRING, COMPRESSION 1 1 1 1
15 90201–12631 .WASHER, PLATE 1 1 1 1
PARTNO. DESCRIPTION REMARKS
1 4ES–15660–00 KICK AXLE ASSY 1 1 1 1
2 4ES–15641–00 GEAR, KICK 1 1 1 1
3 90468–23194 CLIP 1 1 1 1
4 90201–176L4 WASHER, PLA TE 1 1 1 1
5 90508–26750 SPRING, TORSION 1 1 1 1
6 4ES–15664–00 GUIDE, SPRING 1 1 1 1
7 93102–17263 OIL SEAL 1 1 1 1
8 4ES–15651–00 GEAR, KICK IDLE 1 1 1 1
9 90201–124F8 WASHER, PLATE 2 2 2 2
4ES9
4GTG
4LC7
4LBE
B
16 93430–08007 .CIRCLIP 1 1 1 1
17 95027–06012 BOLT, FLANGE 1 1 1 1
18 90201–06060 WASHER, PLATE 1 1 1 1
12
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