990 / 1410
x
X
X
X
X
EXHAUST
TIRES
TUBES
TIRE
ACCESSORIES
BIKE
ACCESSORIES
SNOWBIKE
PITBIKE
GRAPHICS /SEAT
BODY
CONTROLS
BARS /GRIPS
LEVERS
CABLES
INTAKE
FUELSYSTEMS
AIRFILTERS
OILFILTERS
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
PISTONS
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHEMICALS
GASCANS
TOOLS
LOCKS
RAMPS /STRAPS
TRAILERS
PROMOTIONAL
REFERENCE
INDEX
990
STOCKED SIZES: 12-15 means 12 THRU 15
12, 15 means 12 AND 15 only.
Continued on the next page
OEM GEARING
REAR SPROCKETS
STEEL COUNTERSHAFT
Application
Year Rear C/S
Chain/
Links Alum. Rear
Sizes Stocked
Standard
Sizes
Stocked Pro Only
Sizes
Stocked
KTM (PENTON)
60SX
‘98-00 46
420
50-5220__
48-50
65SX
‘98-08 46 14 420
50-5220__
48-50
50-853__
14
‘09-10 50 14 420-112
50-5220__
48-50
11-17 48 14 420-112
50-5220__
48-50
125 DXC
‘89-90 52 13 520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
125 DXC
‘91-94
520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
125 Enduro
‘87-90 52 13 520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
125 Enduro
‘91-94
520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
125 MX
‘83
52
520
50-855__
12-16
‘84-86 60 16 428
50-855__
12-16
‘87
62 16 428
50-855__
12-16
125 MX
‘88-90 52
520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
125 MX
‘91-93 52 13 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
125 EX/SX
‘94-05 50 13 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
125 MXC
‘83
58
520
50-855__
12-16
‘84-87 52 13 520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
125 SX/EXC/MX
‘91-09 48 13 520
50-5254__
42,44-50,52,54
50-855__
12-16
94-17 50 13
50-5254U__
52 Pro-Series
144/150 SX/XC
07-17 50 14 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
200 EXC/MXC
‘98-05 50 14 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
200 XC, XC-W
06-16
520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
250 WR, XC
‘80-82 52
520
50-5258__
50,52,54
250 MX
‘80-82 57
520
50-5258__
50,52,54
‘83
52
520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
250 MX
‘84-87 52 13 520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
250 Enduro
‘87-89 52 13 520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
250 Enduro, MX
‘90-94 50
520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
250 MXC
‘83
52
520
50-5258__
50,52,54
50-855__
12-16
‘84-86 54 14 520
50-5252__
52
50-855__
12-16
50-5252U__
52 Pro-Series
250 EXC/MXC
‘94-99 50 14 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
250 EXC/SX
‘90-09 52 14 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
250 EXC 4-stroke
‘03
520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
250 SX
‘95-04 50 14 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
250 SX
05-17 48 13 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
250 SXF/XCF/XCFW
06-17 48 13 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
300
‘90-94
14 520
50-5254__
42,44-50,52,54
50-855__
12-16
50-5254U__
52 Pro-Series
SPROCKETS