x
X X
X
X
916
EXHAUST
TIRES
TUBES
TIRE
ACCESSORIES
BIKE
ACCESSORIES
PITBIKE
GRAPHICS /SEAT
BODY
MIRRORS
CONTROLS
BARS /GRIPS
LEVERS
CABLES
INTAKE
FUELSYSTEMS
AIR FILTERS
OIL FILTERS
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
PISTONS
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHEMICALS
GASCANS
TOOLS
LOCKS
RAMPS /STRAPS
TRAILERS
PROMOTIONAL
REFERENCE
INDEX
Sprocket Sizes 12-15 means 12 THROUGH 15
12,15 means 12 AND 15 only.
OFF-ROAD
and
DUAL SPORT STEEL SPROCKETS
Tooth count and chain length for reference only-verify before ordering
Continued on the next page
OEM GEARING
REAR SPROCKETS
COUNTERSHAFT
SPROCKETS
Application
Year
Rear
CS Chain/Links
WPS#
Sizes stocked
WPS#
Sizes
stocked
YAMAHA
DT 50
‘88-90
48
13 420-110
55-832__
41
55-546__
12-15
LB 50 P
‘78-82
32
14 420-92
55-832__
41
55-546__
12-15
TT-R 50 E
‘06-12
37
13 420-
55-832__
41
55-546__
12-15
YZ 50
‘80
45
12 420-90
55-563__
11-14
60 JT1
‘71
41
14 420-90
55-832__
41
55-563__
11-14
60 JT2-JT2MX
‘72
41
13 420-90
55-832__
41
55-563__
11-14
YZ 60
‘81
42
12 420-98
55-546__
12-15
‘82-83
42
13 420-98
55-546__
12-15
BW 80
‘86-88,90
32
15 420-90
55-834__
32,45,48
55-546__
12-15
DT 80
‘77-83
41
14 420-106
55-832__
41
55-563__
11-14
GT MX
‘77-79
41
14 420-106
55-832__
41
55-563__
11-14
GT 80
‘73-80
41
14 420-106
55-832__
41
55-563__
11-14
LB 80
‘76-77
36
14 420-92
55-834__
32,45,48
55-546__
12-15
LB 80 II
‘77-78
31
14 420-88
55-834__
32,45,48
55-546__
12-15
MX 80
‘80-82
41
14 420-92
55-832__
41
55-563__
11-14
PW 80
‘83-85
32
15 420-84
55-834__
32,45,48
55-546__
12-15
‘91-06
32
15 420-84
55-834__
32,45,48
55-546__
12-15
TY80
‘74-75
41
12 420-106
55-832__
41
55-563__
11-14
YZ 80
‘74-77
48
13 420-104
55-832__
41
55-563__
11-14
‘78
51
14 428-106
55-428__
12,13
‘79
51
14 428-108
55-428__
12,13
‘80
51
14 428-108
55-1842__
42,44,47,49,50,54
55-428__
12,13
‘81-82
44
13 428-108
55-1842__
42,44,47,49,50,54
55-1263__
11-16
‘83
42
12 428-110
55-1842__
42,44,47,49,50,54
55-1263__
11-16
‘84
46
15 428-114
55-831__
46
55-1263__
11-16
‘85
48
14 428-112
55-831__
46
55-1263__
11-16
‘86-92
46
14 428-112
55-831__
46
55-1263__
11-16
‘93-01
47
14 428-118
55-798__
44,47-50
55-1263__
11-16
YZ 85
02-16
47
14 428-118
55-798__
44,47-50
55-558__
13,14
YZ 85 L/W
‘02-12
52
14 428-
55-798__
44,47-50
55-558__
13,14
HT1 90
‘70-71
49
15 428-106
55-838__
36
55-1263__
11-16
HT1 90 MX
‘71
52
15 428-108
55-838__
36
55-1263__
11-16
TT-R90
‘01-07
35
14 420-86
55-834__
32,45,48
55-546__
12-15
DT 100
‘74-76
49
14 428-112
55-838__
36
55-1263__
11-16
‘77-83
45
14 420-102
55-834__
32,45,48
55-546__
12-15
LT2, LT3, 100
‘72-73
49
14 428-106
55-838__
36
55-1263__
11-16
LT2 MX, LT3 MX
‘72-73
52
14 428-112
55-838__
36
55-1263__
11-16
MX 100
‘74-78
52
14 428-110
55-838__
36
55-1263__
11-16
‘79-83
48
14 420-104
55-834__
32,45,48
55-546__
12-15
RT 100
‘90-00
48
14 420-104
55-834__
32,45,48
55-546__
12-15
YZ 100
‘76-77
40
12 520-90
55-845__
41,43,46,47,49
55-422__
12-14
‘78-79
43
12 520-98
55-845__
41,43,46,47,49
55-422__
12-14
‘80-81
45
12 520-100
55-845__
41,43,46,47,49
55-422__
12-14
‘82-83
50
12 520-106
55-853__
40-52
55-422__
12-14
TT-R 110 E
All
35
14 420-90
55-834__
32,45,48
55-546__
12-15
AT1, 125 M, MX
‘69
45
15 428-112
55-1842__
42,44,47,49,50,54
55-1263__
11-16
AT1, M, MX
‘70
45
13 428-112
55-1842__
42,44,47,49,50,54
55-1263__
11-16
‘71
45
14 428-112
55-1842__
42,44,47,49,50,54
55-1263__
11-16
AT2, 125, MX, M
‘72
45
14 428-112
55-1842__
42,44,47,49,50,54
55-1263__
11-16
AT3 125
‘73
45
14 428-112
55-1842__
42,44,47,49,50,54
55-1263__
11-16
DT 125
‘74-76
45
15 428-114
55-1842__
42,44,47,49,50,54
55-1263__
11-16
‘77
49
15 428-118
55-1842__
42,44,47,49,50,54
55-1263__
11-16
‘78-80
49
14 428-118
55-1842__
42,44,47,49,50,54
55-1263__
11-16
IT 125
‘80-81
46
12 520-100
55-845__
41,43,46,47,49
55-422__
12-14
MX 125
‘74-76
47
14 428-114
55-1263__
11-16
TDR 125
‘93
57
16 428-136
55-558__
13,14
SPROCKETS