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Suzuki (2-cycle) Wiseco Pistons
arrow down for (4-stroke) Suzuki Wiseco Pistons

Model	Bore x Stroke (mm)	Bore size mm	oversizes inches	Wiseco Piston Kit Part #
JR 50		41 41.5 42 42.5 43		826M04100 826M04150 826M04200 826M04250 826M04300	Add one to basket.
RM60,KX60, 1983-2005 Electrofusion Bore	43 x 41.6	43 43.5 44 45	STD .020 .040 .080	648M04300 648MO4350 648MO4400 648MO4500	Add one to basket.
RM65, KX65, 2000-05 Electrofusion Bore	44.5 x 41.6	44.5 46.5	STD .020 .040 .080	752MO4450 752MO4650	Add one to basket.
RM65, KX65, 2000-05 Single ring Electra coated	44.5 x 41.6	44.5	STD	861MO4450	Add one to basket.
RM80 B, C, N, T, X 1977-81 DS80 thru 1996	49 x 42	49 49.5 50 50.5 51	STD .020 .040 .060 .080	456MO4900 456MO4950 456MO5000 456MO5050 456MO5100	Add one to basket.
RM80Z 1982 discontinued	49 x 44	49 49.5 50 50.5 51	STD .020 .040 .060 .080	484MO4900 484MO4950 484MO5000 484MO5050 484MO5100	no longer available
RM80 D, E 1983-85	49 x 44	49 49.5 50 50.5 51	STD .020 .040 .060 .080	497MO4900 497MO4950 497MO5000 497MO5050 497MO5100	Add one to basket.
RM80 G 1986-87	47.5 x 46.8	47.5 47.75 48 48.25 48.5 48.75 49 49.5	STD .010 .020 .030 .040 .050 .060 .080	542MO4750 542MO4775 542MO4800 542MO4825 542MO4850 542MO4875 542MO4900 542MO4850	Add one to basket.
RM80 J 1988	47.5 x 46.8	47.5 47.75 48 48.25 48.5 48.75 49 49.5	STD .010 .020 .030 .040 .050 .060 .080	567MO4750 567MO4775 567MO4800 567MO4825 567MO4850 567MO4875 567MO4900 567MO4950	Add one to basket.
RM80 K, L 1989-90	47.5 x 46.8	47.5 47.75 48 48.25 48.5 48.75 49 49.5	STD .010 .020 .030 .040 .050 .060 .080	579MO4750 579MO4775 579MO4800 579MO4825 579MO4850 579MO4875 579MO4900 579MO4950	Add one to basket.
RM80 1991-2001 PRO-LITE Power Valve Must be modified for 48.25 and larger Nikasil Bore	47.5 x 46.8	47.5 47.75 48 48.25 48.5 48.75 49 49.5	STD .010 .020 .030 .040 .050 .060 .080	645MO4750 645MO4775 645MO4800 645MO4825 645MO4850 645MO4875 645MO4900 645MO4950	Add one to basket.
RM85 2002-2005 Must use stock thrust washers	48 x 46.8	48 48.5 49 50	STD .020 .040 .080	806M04800 806MO4850 806MO4900 806MO5000	Add one to basket.
RM80/RM85 1991-2005 Must use stock thrust washers	52 x 46.8	99.4		806M05200	Add one to basket.
RM100 A, N, X, T 1976, 1979-81	50 x 50	50 50.25 50.5 50.75 51 51.5 52	STD .010 .020 .030 .040 .060 .080	454MO5000 454MO5025 454MO5050 454MO5075 454MO5100 454MO5150 454MO5200	Add one to basket.
RM100 / KX100, 1995-2005	99	52.5 53 54.5	STD .020 .080	651MO5250 651MO5300 651MO5450	Add one to basket.
125TS, DS 1979-81 125TC 1970-78	56 x 50	56 56.5 57 57.5 58	STD .020 040 .060 .080	449MO5600 449MO5650 449MO5700 449MO5750 449MO5800	Add one to basket.
RM125 B, C, N, T 1977-80	54 x 50	54 54.5 54.75 55 55.5 56	STD .020 .030 .040 .060 .080	432MO5400 432MO5450 432MO5475 432MO5500 432MO5550 432MO5600	Add one to basket.
RM125 1981-84	54 x 54	54 54.25 54.5 54.75 55 55.5 56	STD .010 .020 .030 .040 .060 .080	511MO5400 511MO5425 511MO5450 511MO5475 511MO5500 511MO5550 511MO5600	Add one to basket.
RM125 1985-86	54 x 54	54 54.25 54.5 54.75 55 55.5 56	STD .010 .020 .030 .040 .050 .080	519MO5400 519MO5425 519MO5450 519MO5475 519MO5500 519MO5550 519MO5600	Add one to basket.
RM125 1987 PRO-LITE	54 x 54	54 54.5 55 55.5 56	STD .020 .040 .060 .080	557MO5400 557MO5450 557MO5500 557MO5550 557MO5600	Add one to basket.
RM125 1988 PRO-LITE	54 x 54	54 54.5 55 55.5 56	STD .020 .040 .060 .080	568MO5400 568MO5450 568MO5500 568MO5550 568MO5600	Add one to basket.
RM125L 1989-99 PRO-LITE SCEM composite	54 x 54	54 54.25 54.5 54.75 55 55.25 55.5 56	STD .010 .020 .030 .040 .050 .060 .080	641MO5400 641MO5425 641MO5450 641MO5475 641MO5500 641MO5525 641MO5550 641MO5600	Add one to basket.
RM125, 2000-03	54 x 54.5	54 54.5 55 55.5 56	STD .020 .040 .060 .080	754MO5400 754MO5450 754MO5500 754MO5550 754MO5600	Add one to basket.
RM125, 1999-2003 GP Style Electra coated no intake window pinned on centerline	54 x 54.5	54 56	STD .080	764MO5400 764MO5600	Add one to basket.
RM125, 1999-2003 Flat top conversion no intake window pinned on centerline	54 x 54.5	54 56	STD .080	755MO5400 755MO5600	Add one to basket.
RM125, 2004-05 Pro-Lite	54 x 54.5	54 56	STD .080	835MO5400 835MO5600	Add one to basket.
RM125, 2004-05GP Style Electra coated no intake window pinned on centerline	54 x 54.5	54 56 58	STD .080 .120	836MO5400 836MO5600 836MO5800 836 not added yet	Add one to basket.
175 PE 1978-79	62 x 57	62 62.5 63 63.5 64	STD .020 .040 .060 .080	447MO6200 447MO6250 447MO6300 447MO6350 447MO6400	Add one to basket.
175 PE, T, X, Z, D, E 1980-84	62 x 57	62 62.5 63 63.5 64	STD .020 .040 .060 .080	490MO6200 490MO6250 490MO6300 490MO6350 490MO6400	Add one to basket.
185TC, 1974-77 185TS, 1971-81 185DS, 1978-80	64 x 57	64 64.5 65 65.5 66	STD .020 .040 .060 .080	176MO6400 176MO6450 176MO6500 176MO6550 176MO6600	Add one to basket.
250 TS, TM, RL from 1976 TS250, 1978-81	70 x 64	70 70.5 71 71.5 72	STD .020 .040 .060 .080	380MO7000 380MO7050 380MO7100 380MO7150 380MO7200	Add one to basket.
RM250 B, C, C2, N, T 1977-80 PE250, 1977-81 Double ring	67 x 70	67 67.5 68 68.5 69	STD .020 .040 .060 .080	405MO6700 405MO6750 405MO6800 405MO6850 405MO6900	Add one to basket.
RM250 Z, D, E 1982-85	70 x 64	70 70.5 70.75 71 71.5 72	STD .020 .030 .040 .060 .080	485MO7000 485MO7050 485MO7075 485MO7100 485MO7150 485MO7200	Add one to basket.
RM250 1986	67 x 70	67 67.5 68 68.5 69	STD .020 .040 .060 .080	543MO6700 543MO6750 543MO6800 543MO6850 543MO6900	Add one to basket.
RM250 1987-88 PRO-LITE Boron composite	67 x 70	67 67.25 67.5 67.75 68 68.25 68.5 69	STD .010 .020 .030 .040 .050 .060 .080	558MO6700 558MO6725 558MO6750 558MO6775 558MO6800 558MO6825 558MO6850 558MO6900	Add one to basket.
RM250 1989-95 SCEM-composite Double ring	67 x 70.8	67 67.5 68 69	STD .020 .040 .080	642MO6700 642MO6750 642MO6800 642MO6900	Add one to basket.
RMX250 1989-99 SCEM-composite Double ring	67 x 70.8	67 67.5 68 69	STD .020 .040 .080	642MO6700 642MO6750 642MO6800 642MO6900	Add one to basket.
RM250 1996-97 PRO-LITE SCEM Cylinder	66.4 x 72	66.4	STD	681MO6640	Add one to basket.
RM250 1996-99 XPS-Superlight single ring version head machining required for 96,97,99	66.4 x 72	66.4	STD	705MO6640 discontinued	disscontinued.
RM250 1998 PRO-LITE SCEM-Cylinder	66.4 x 72	66.4 68.5	STD .084	723MO6640 723MO6850 Flat top	Add one to basket.
RM250 1998 XPS Series	66.4 x 72	66.4	STD	728MO6640 discontinued	disscontinued
RM250, 1999 SCEM Cylinder	66.4 x 72	66.4 68.5	STD .080	743MO6640 743MO6850	Add one to basket.
RM250, 1999 XPS	66.4 x 72	66.4	STD	744MO6640 discontinued	disscontinued
RM250, 2000-2002	66.4 x 72	66.4 68.5	STD 2.10	756MO6640 756MO6850	Add one to basket.
RM250, 2003-2005	66.4 x 72	66.4 67 67.5	STD 0.60 1.10	823MO6640 823MO6700 823MO6750	Add one to basket.
RM370 A, B, C	77 x 80	77 77.5 78 78.5 79	STD .020 .040 .060 .080	367MO7700 367MO7750 367MO7800 367MO7850 367MO7900	no longer available can be custom made
400TM, 1971-75 400TS, 1972-77	82 x 75	82 82.5 83 83.5 84	STD .020 .040 .060 .080	299MO8200 299MO8250 299MO8300 299MO8350 299MO8400	no longer available can be custom made

Suzuki
(4-cycle)