Selected page of EK Motorcycle Chain Catalog
S T R E E T O F F R O A D M O T O C R O S S A T V R O A D R A C I N G D R A G R A C I N G
| 1000km
Distance
Conventional Chain
Conventional Chain
Comparison of Initial Stretch After 1000km
Comparison of Chain Condition After 1000km
AMA 250 GP
CHAMPION
2003
AMA NATIONAL
ENDURO CHAMPION
2003
AMA SUPERSTOCK
CHAMPION
2002-03
FORMULA XTREME
CHAMPION
2002
AMA 125 WEST
SUPERCROSS
2002
AMA/PROSTAR
TOP FUEL
2000-03
DOES YOUR CHAIN HAVE ALL THESE FEATURES?
ABOUT EK CHAIN
EK QUADRA-X RINGS VS. O-RINGS
EK CHAIN LIMITED wARRANTY
www.ekchain.com
2
EK O-ring and Quadra-X Ring Chains are warranted against defects in materials and workmanship for 24
months/unlimited mileage (street use) or 12 months/unlimited mileage (off-road use). The warranty period
begins on the date shown on the sales invoice or receipt. This warranty is void for any use other than those
applications recommended by EK Chain. This warranty does not cover the use of EK Chains in competitive
events, or on motorcycles that have been modified.
No one knows more about sealed
| EK SCREW-TYPE MASTER LiNk
EK PROFESSIONAL CHAIN TOOL
EK O-RING INSTALLATION SPACERS
FAQs
FREQUENTLY ASKED QUESTIONS
3
How can I tell when I need a new chain?
The quickest method to determine if you need a new chain is to grasp one link
thats in contact with the rear sprocket, while the bike or ATV is not running. If you
can pull the link more than halfway off a sprocket tooth, its time for a new chain.
If you have regularly adjusted chain slack as part of your bikes routine maintenance, your chain is due for replacement when your rear-axle adjusters reach the
replace chain markings. Refer to your owners manual if unsure.
But if your chain makes noise while riding, or if you find your rear wheel is covered with dirty chain grease, chances are your chain needs replacement. When
cleaning your chain, take time to closely inspect the seals and rollers. If you find
any broken seals or cracked rollers, replace your chain immediately.
How often should I lube my chain?
Sealed c
| www.ekchain.com
4
1Equipped with solid bushings
Chain
Pitch
Width
Pin
Roller
Plate Thickness
Tensile
Wear Life
Weight
Displacement
HP
Connecting Link 2
Dia. Length
Dia.
Inner
Outer
Strength
Index
100 Links
Max. cc
Max
Std.
Option
in.
mm
in.
mm
mm
mm
mm
mm
mm
lbs.
kN
Basis=100
lbs.
kg
Street
Dirt
St./Dirt
520SRXL 1
5/8
15.875
1/4
6.35
5.24
20.10
10.16
2.00
2.00
8,000
35.5
1200
3.50
1.59
650
600
80
SKJ
MLJ, SLJ
520SRX 1
5/8
15.875
1/4
6.35
5.38
21.50
10.16
2.20
2.20
8,500
37.8
1200
3.70
1.68
750
750
90
SKJ
MLJ, SLJ
525SRX 1
5/8
15.875
5/16
7.94
5.38
23.00
10.20
2.20
2.20
8,800
39.1
1200
3.91
1.77
900
750
110
MLJ
SKJ, SLJ
530SRX 1
5/8
15.875
3/8
9.53
5.38
25.40
10.20
2.40
2.40
9,200
40.9
1200
4.80
2.17
1000
750
120
MLJ
SKJ, SLJ
Chain
Pitch
Width
Pin
Roller
Plate Thickness
Tensile
Wear Life
Weight
Displacement
HP
Connecting Link 2
Dia. Length
Dia.
Inner
| 5
2SPJ: Clip-type connecting link; SKJ: Semi press-fit type connecting link; PL: Pin link; MLJ: Rivet-type connecting link; SLJ: Screw-type connecting link
Chain
Pitch
Width
Pin
Roller Plate Thickness
Tensile
Wear Life
Weight
Displacement
HP
Connecting Link 2
Dia. Length
Dia.
Inner Outer
Strength
Index
100 Links
Max. cc
Max
Std.
Option
in.
mm
in.
mm
mm
mm
mm
mm
mm
lbs.
kN
Basis=100 lbs.
kg
Street
Dirt St./Dirt
520MVXZ 5/8 15.875
1/4
6.35
5.38
21.50
10.20
2.20
2.20
9,000
40.0
1,500
3.70
1.81
1000
750
100
SKJ
MLJ, SLJ
525MVXZ 5/8 15.875
5/16
7.94
5.38
23.00
10.20
2.20
2.20
9,300
41.3
1,500
4.21
1.91
1000
750
130
MLJ
SLJ
530MVXZ 5/8 15.875
3/8
9.53
5.38
24.60
10.30
2.20
2.20
9,300
41.3
1,500
4.46
2.02
1000
750
145
MLJ
SLJ
Chain
Pitch
Width
Pin
Roller Plate Thickness
Tensile
Wear Life
Weight
Displacement
HP
Connecting Link 2
Dia. Length
Dia.
Inner Outer
Strength
Index
100 Links
Max
| www.ekchain.com
6
Chain
Pitch
Width
Pin
Roller Plate Thickness
Tensile
Wear Life
Weight
Displacement
HP
Connecting Link 2
Dia. Length
Dia.
Inner Outer
Strength
Index
100 Links
Max. cc
Max
Std.
Option
in.
mm
in.
mm
mm
mm
mm
mm
mm
lbs.
kN
Basis=100
lbs.
kg
Street
Dirt
St./Dirt
530DR
5/8
15.875
3/8
9.53
5.38
23.00
10.16
2.40
2.40
10,500
46.7
200
4.75
2.16
250
SKJ
MLJ
530DRZ
5/8
15.875
3/8
9.53
5.64
24.80
10.20
3.20
2.60
11,500
51.1
200
5.35
2.43
300
SKJ
MLJ
630MS
3/4
19.050
3/8
9.53
5.95
25.15
11.91
3.20
3.20
11,880
52.8
130
6.78
3.08
500
SPJ
PL
630SHB
3/4
19.050
3/8
9.53
7.50
27.70
11.91
4.00
3.20
15,800
70.2
200
9.52
4.33 500
SPJ
PL
630SHB-Z 3/4 19.050 3/8 9.53
7.50
41.60
11.91
4.00
3.20
30,000
133.0
200
19.54
8.88 500
SPJ
PL
Chain
Pitch
Width
Pin
Roller Plate Thickness
Tensile
Wear Li
| 7
DUCATI
Recommended
Value
Economy
# of links
2004
DS1000
525MVXZ
102
2003
DS1000 SS
525MVXZ
96
2003
M1000 I.E Monster
525MVXZ
100
2003-04
999/R/S
525MVXZ
96
2002
998/R/S
525MVXZ
94
2000-01
996 SPS
525MVXZ
2001-03
MS4 Super Monster
525MVXZ
100
2004
ST3
525MVXZ
102
2000-02
ST2
525MVXZ
102
2000-03
ST4 916
525MVXZ
102
2003-04
ST4S
525MVXZ
102
2000-02
900 SS
520MVXZ
98
2000-01
M900 Monster
520MVXZ
100
2002-03
M900 I.E Monster
520MVXZ
98
2000-03
MH900e
520MVXZ
2004
800 Supersport
520MVXZ
2004
800 Monster
525MVXZ
525SRX
2000
M750 Monster
520MVXZ
520SRX
98
2001
M750 Monster
520MVXZ
520SRX
104
2002-03
M750 I.E Monster
520MVXZ
520SRX
104
2000-02
750 SS I.E Supersport
520MVXZ
520SRX
96
2003-04
749/R/S
525MVXZ
525SRX
2000-02
748/R/S
525MVXZ
525SRX
94
All Years
650 Elefant
530MVXZ
530SRX
530SROZ
110
2002-04
M620 I.E. Monster
525MVXZ
525SRX
2003
620 Sport
520MVXZ
520SRX
2001
M600 Mo
| HUSQVARNA
Recommended
Value
# of links
2000
TC610
520MVXZ
520SRX
120
2000-01
TE610
520MVXZ
520SRX
120
01
TC570
520MVXZ
520SRX
01
TE570
520MVXZ
520SRX
2000-01
TE410
520MVXZ
520SRX
01
TE400
520MVXZ
520SRX
2000-02
WR360
520MVXZ
520SRX
2000-03
WR250
520SRX
520SRO5
2000-01
CR250
520SRX
520SRO5
2000-03
WR125
520SRO5
KTM
Recommended
Value
# of links
2003-04
950 Adventure, S
525MVXZ
2003
660 LC4/Duke/Super Moto
520MVXZ
520SRX
2000-04
640 LC4
520MVXZ
520SRX
118
2000-02
640 Adventure,Six Days
520MVXZ
520SRX
2000-02
640 Duke II, Super Moto
520MVXZ
520SRX
2003
625 SXC
520MVXZ
520SRX
118
2003
525 SX/EXC/MXC
520MVXZ
520SRX
2000-02
520 SX/EXC/MXC
520MVXZ
520SRX
2003
450 SX/EXC/MXC
520MVXZ
520SRX
2000-02
400 MXC/EXC
520MVXZ
520SRX
2000
400 RXCe
520MVXZ
520SRX
2000
400 LC4/SXC
520MVXZ
520SRX
118
2000-02
380 MXC/EXC
520MVXZ
520SRX
2000-02
300 MXC/EXC
520MVXZ
520SRX
11
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