Page 4 of EK Motorcycle Chain Catalog by EK Chain

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 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 420SRO 1 1/2 12.700 1/4 6.35 3.96 17.30 7.77 1.50 1.50 4,300 19.1 800 1.71 0.78 100 100 12 SKJ PL 428SROZ 1 1/2 12.700 5/16 7.94 4.50 20.80 8.51 1.80 1.80 5,300 23.5 800 2.27 1.03 250 200 15 SKJ PL 520SRO5 1 5/8 15.875 1/4 6.35 5.24 20.50 10.16 2.00 2.00 8,000 35.5 800 3.50 1.59 650 400 50 SKJ MLJ, SLJ 520SROZ 1 5/8 15.875 1/4 6.35 5.38 21.50 10.16 2.20 2.20 8,400 37.3 800 3.70 1.68 650 600 80 SKJ MLJ, SLJ 525SROZ 1 5/8 15.875 5/16 7.94 5.38 23.00 10.20 2.20 2.20 8,400 37.3 800 3.91 1.77 650 600 80 MLJ SKJ, SLJ 530SROZ 1 5/8 15.875 3/8 9.53 5.38 25.40 10.20 2.40 2.40 9,100 40.4 800 4.80 2.17 900 750 110 MLJ SKJ, SLJ 630SRO 1 3/4 19.050 3/8 9.53 5.95 25.15 11.91 2.40 2.40 10,120 45.0 800 5.90 2.68 1000 n/a 120 SKJ 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. cc Max Std. Option in. mm in. mm mm mm mm mm mm lbs. kN Basis=100 lbs. kg Street Dirt St./Dirt Non-Sealed Chain 420 1/2 12.700 1/4 6.35 3.96 14.70 7.77 1.50 1.50 4,300 19.1 100 1.59 0.72 80 80 10 SPJ PL 428 1/2 12.700 5/16 7.94 4.44 16.30 8.51 1.50 1.50 4,400 19.5 100 1.79 0.81 100 80 12 SPJ PL 520 5/8 15.875 1/4 6.35 5.08 17.30 10.16 2.00 2.00 7,400 32.9 100 3.25 1.46 250 125 20 SPJ PL 525 5/8 15.875 5/16 7.94 5.08 18.90 10.16 2.00 2.00 7,400 32.9 100 3.42 1.54 350 n/a 30 SPJ PL 530 5/8 15.875 3/8 9.53 5.08 20.50 10.16 2.00 2.00 7,400 32.9 100 3.67 1.67 350 n/a 30 SPJ PL 630 3/4 19.050 3/8 9.53 5.95 22.65 11.91 2.40 2.40 9,900 44.0 100 5.60 2.55 750 pre '80 60 SPJ PL Heavy Duty Non-Sealed Chain 420SR 1/2 12.700 1/4 6.35 3.96 16.30 7.77 1.50 1.50 4,520 20.1 120 1.65 0.75 80 80 12 SPJ PL 428SR 1/2 12.700 5/16 7.94 4.50 17.40 8.51 1.50 1.50 4,900 21.8 120 1.98 0.90 125 80 15 SPJ PL 520SR 1 5/8 15.875 1/4 6.35 5.08 18.50 10.16 2.00 2.00 7,700 34.2 200 3.23 1.47 350 250 30 SPJ PL 525SR 1 5/8 15.875 5/16 7.94 5.08 20.20 10.16 2.00 2.00 7,700 34.2 200 3.41 1.55 400 n/a 40 SPJ PL 530SR 1 5/8 15.875 3/8 9.53 5.08 21.30 10.16 2.00 2.00 7,700 34.2 200 3.71 1.69 400 n/a 50 SPJ PL

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