1034 / 1490
x
X X
X
X
1034
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
BOMBARDIER
DS-650
‘03-04
40
530-
50-9060__
40
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
ATC90
‘74-78
49 15
428-86
50-3132__
55,56
TRX90
‘93-15
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
50-3162__
40
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
T
o
order
,
add
sprocket
size
to
the
end
of
part
number
.
ex
:
55-9060
38
T
o
order
,
add
sprocket
size
to
the
end
of
part
number
.
ex
:
50-9060
38
Continued on the next page
SPROCKETS
TIRES
WHEELS
WHEELKITS
TIREACC.
WINCH
PLOW
TOWING / FARM
UTVCAB /ACC.
AUDIO
WINDSHIELDS
ATVBODY
UTVBODY
STORAGE/
TRANSPORT
EXHAUST
BARS /GRIPS
LEVERS
CABLES
ATVCONTROLS
FUEL /AIR
SYSTEMS
AIR FILTERS
OIL FILTERS
LIGHTING
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHINESE
VEHICLEPARTS
CHEMICALS
TOOLS
LOCKS
TRAILERS
RAMPS /STRAPS
PROMOTIONAL
REFERENCE
INDEX