1100 / 1504
x
X X
X
X
1100
REAR
• Manufactured from 7075 T6-
51 aluminum
• Stronger than steel
sprockets in tensile, yield
and shear strength
• Far lighter than steel for less
unsprung weight
• Most rears provided with
lightening holes
• Made from full thickness
aluminum for maximum
strength
• Available in full range of
tooth sizes
COUNTERSHAFT SPROCKETS
• CNC Machined from high grade chromoly steel
• Meets or exceeds OEM specifications
• Heat treated for long life and less wear
• Finished with electroless nickel plating
• Broached specially for maximum spline to shaft contact
• Available in a full range of tooth sizes
• The finest countershaft
sprocket manufactured in
the world
• Far exceeds the critical
requirements of today's
ATVs
• Manufactured from
steel alloy approaching
200,000 PSI yield
PRO ONLY
OEM Gearing
REAR SPROCKETS
STEEL COUNTERSHAFT
Application
Year
Std.
Rear
Size
CS Chain/Links
WPS #
Alum. Rear
Stocked by
WPS WPS # Std.
Stocked by
WPS
WPS #
Pro only
Stocked
by WPS
HONDA
ATC70
‘73-81 35
14 420-72
50-321__
11-16
‘82-85 36
13 420-72
TRX70
‘86-87 36
13 420-72
TRX90
‘93-16 50
13 428-98
50-3036__
50
50-337__
13
ATC110
‘79-83 49
15 428-86
50-3132__
55,56
‘84-85 49
15 428-92
50-3131__
48
ATC125 M
‘84-85 49
11 428-92
50-3131__
48
‘86-87 48
12 428-96
50-3131__
48
TRX125 4-Trax
‘85-86 50
428-92
50-3131__
48
ATC185
‘80
47
11 520-90
50-3154__
47
50-354__
11
ATC185S
‘81-82 41
11 520-82
50-3152__
41
50-354__
11
‘83
41
11 520-82
50-3151__
40-44
50-354__
11
ATC200
‘81-82 47
11 520-90
50-3154__
47
50-354__
11
‘83
47
11 520-90
50-3158__
47
50-354__
11
ATC200E
‘81-82 47
11 520-90
50-3154__
47
‘83
47
11 520-90
50-3158__
47
ATC200M
‘84-85 47
11 520-92
50-3158__
47
50-354__
11
ATC200S
‘84-86 43
11 520-84
50-3151__
40-44
50-354__
11
ATC200X
‘83-85 40
12 520-88
50-3051__
40
50-344__
12,13
‘86-87 38
13 520-88
50-361__
11,12,14
TLR200 Reflex
‘87-87 44
13 520-96
50-344__
12-14
TR200 Fat Cat
‘86-88 39
13 520-100
50-3059__
39
50-361__
11,12,14
TRX200D
‘92-97 42
12 520-88
50-3168__
42
50-353__
12-15
TRX200SX
‘86-88 42
12 520-80
50-3151__
40-44
50-353__
12-15
ATC250R
‘81-82 44
13 520-84
50-3151__
40-44
‘83-84 42
13 520-90
50-356__
12-14
‘85
39
13 520-96
50-356__
12-14
‘86
39
13 520-96
50-3160__
37-43
50-356__
12-14
TRX250R
‘86-87 39
13 520-96
50-3160__
37-43
50-356__
12-14
‘88-89 38
13 520-92
50-3160__
37-43
50-356__
12-14
TRX250X
‘87
39
13 520-96
50-3160__
37-43
50-361__
11-14
‘88-92 38
13 520-92
50-3160__
37-43
50-361__
11-14
TRX300EX
‘93-09 38
13 520-86
50-3160__
37-43
50-361__
11-14
ATC350X
‘85
40
13 520-90
50-349__
12-13
TRX400EX
‘99-04 38
15 520-92
50-3160__
37-43
50-383__
12-16
‘05-14 39
14 520-92
50-3160__
37-43
50-395__
13-15
TRX450R/ER
‘04-14 38
13 520-94
50-3160__
37-43
50-367__
12-14
TRX700XX
‘08-09 37
14 520-80
50-3170__
37-39
50-367__
12-14
KAWASAKI
KFX50
‘03-06 37
10 420-78
50-720__
11-14
‘07-17 32
16 428
50-6024__
32
50-720__
11-14
KFX80
‘03-06 22
10 520-36
50-6040__
22
50-660__
10
KFX90
‘07-17 32
16 428
50-6024__
32
50-334__
13-16
T
o
order
,
add
sprocket
size
to
the
end
of
part
number
.
ex
:
50-9060
38
Continued on the next page
SPROCKETS
TIRES
WHEELS
WHEEL /
TRACKKITS
TIREACC.
WINCH
PLOW
TOWING /
FARM
UTVCAB /
ACCESSORIES
AUDIO
WINDSHIELDS
ATVBODY
UTVBODY
STORAGE/
TRANSPORT
EXHAUST
BARS /GRIPS
LEVERS
CABLES
ATVCONTROLS
FUEL /AIR
SYSTEMS
AIRFILTERS
OILFILTERS
LIGHTING
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHINESE
VEHICLEPARTS
CHEMICALS
TOOLS
LOCKS
TRAILERS
RAMPS /
STRAPS
PROMOTIONAL
REFERENCE
INDEX