ENGINE
HIGH-PERFORMANCE PISTONS (CONT)
OVER
REPL.
BORE (MM)
DISPL. BORE
SIZES PK KIT
PISTON
REPL. RING CIRCLIPS
REPL. WRIST
TOP-END
FITS MODEL
X STROKE (MM) (CC)
SIZE (MM) (MM) PART #
PART #
SET PART # PART #
PIN PART #
BEARING PART #
CR125R 05-07
54
125
54.0
STD
0903-0520 0910-0735
2126CS
CW15
-
-
Pro Lite
x
-
-
-
-
-
-
54.5
-
-
-
-
-
-
54
125
54.00
STD
0903-0521 0910-0731
2126CS
CW15
-
B1001
x
56.00
2.00
-
0910-0732
2205CS
-
-
-
Electra Coated *Nikasil Bore-Cylinder
54.5
3.00
-
0910-1254
2244CS
-
-
-
sleeving or replating required for
oversizes
70
248
70.0
STD
-
338M07000 2756CD
CW18
S-343
B1003
x
70.5
0.5
-
338M07050 2776CD
-
-
-
64.4
71.0
1.0
-
338M07100 2795CD
-
-
-
71.5
1.5
-
338M07150 2815CD
-
-
-
72.0
2.0
-
338M07200 2835CD
-
-
-
70
248
70.0
STD
-
431M07000 2756CD
CW18
S-343
B1003
x
70.5
0.5
-
431M07050 2776CD
-
-
-
sleeving or replating
64.4
70.75
0.75
-
-
2786CD
-
-
-
required for oversizes
71.0
1.0
-
431M07100 2795CD
-
-
-
71.5
1.5
-
431M07150 2815CD
-
-
-
Standard Chrome Bore
72.0
2.0
-
431M07200 2835CD
-
-
-
CR250R 81-83
66
246
66.0
STD
-
466M06600 2598CD
CW18
S-257 2
B1003
x
66.5
0.5
-
-
2618CD
-
-
-
72
67.0
1.0
-
466M06700 2638CD
-
-
-
67.5
1.5
-
-
2658CD
-
-
-
68.0
2.0
-
466M06800 2677CD
-
-
-
CR250R 84-85
66
246
66.0
STD
-
526M06600 2598CD
CW18
S-511X
B1003
Pro-Lite
x
66.25
0.25
-
526M06625 2608CD
-
-
-
72
66.5
0.5
-
526M06650 2618CD
-
-
-
66.75
0.75
-
526M06675 2628CD
-
-
-
67.0
1.0
-
526M06700 2638CD
-
-
-
67.25
1.25
-
526M06725 2648CD
-
-
-
67.5
1.5
-
526M06750 2658CD
-
-
-
68.0
2.0
-
526M06800 2677CD
-
-
-
CR250R 86-89
66.4
249
66.4
STD
0903-0273 614M06640 2614CD
CW18
S-508
B1003
Pro-Lite
x
67.0
0.6
0903-0200 614M06700 2638CD
-
-
-
*Nikasil Bore-Cylinder sleeving or
72
67.5
1.1
-
614M06750 2658CD
-
-
-
68.0
1.6
-
614M06800 2677CD
-
-
-
68.5
2.1
-
614M06850 2697CD
-
-
-
CR250R 90-91
66.4
249
66.4
STD
0903-0274 614M06640 2614CD
CW18
S-508
B1003
Pro-Lite
x
67.0
0.6
-
614M06700 2638CD
-
-
-
72
67.5
1.1
-
614M06750 2658CD
-
-
-
68.0
1.6
-
614M06800 2677CD
-
-
-
68.50
2.1
-
614M06850 2697CD
-
-
-
CR250R 92-96
66.4
249
66.4
STD
0903-0292 614M06640 2614CD
CW18
S-508
B1003
Pro-Lite
x
67.00
0.6
0903-0272 614M06700 2638CD
-
-
-
72
67.5
1.1
-
614M06750 2658CD
-
-
-
replating required for oversizes
68.00
1.6
-
614M06800 2677CD
-
-
-
68.50
2.1
0903-0258 614M06850 2697CD
-
-
-
CR250R 97-01
66.4
249
66.4
STD
0903-0311 702M06640 2614CD
CW18
S-508
B1003
x
67.0
0.6
0903-0219 702M06700 2638CD
-
-
-
72
67.5
1.1
0903-0208 702M06750 2658CD
-
-
-
Cylinder sleeving or replating
68.0
1.6
0903-0202 702M06800 2677CD
-
-
-
required for oversizes
68.5
2.1
0903-0523 0910-1232
2697CD
-
-
-
CR250R 02-04
66.4
249
66.4
STD
0903-0307 801M06640 2614CD
CW18
S-508
B1003
x
67.50
1.1
0903-0542 0910-1243
2658CD
-
-
-
72
68.50
2.1
0903-0249 0910-0201
2697CD
-
-
-
CR250R 02-04
66.4
249
66.4
STD
-
0910-0736
0912-0106
CW18
S-508
B1003
Racer’s Choice 250cc Single Ring
x
-
-
-
-
-
-
72
-
-
-
-
-
-
CR250R 05-07
66.4
249
66.4
STD
0903-0550 0910-0737
0912-0106
CW18
S-508
B1003
Single ring
x
-
-
-
-
-
-
Electra Coated
72
-
-
-
-
-
-
89
472
89.0
STD
-
0910-2022
-
CW20
S-512X
B1004
x
89.5
0.5
-
0910-2023
-
-
-
-
76
90.0
1.0
-
0910-2024
-
-
-
-
90.5
1.5
-
0910-2025
-
-
-
-
91.0
2.0
-
0910-2026
-
-
-
-
89
472
89.0
STD
-
-
3504TD 1
CW20
S-512X
B1004
x
89.5
0.5
-
-
3524TD 1
-
-
-
76
90.0
1.0
-
-
3544TD 1
-
-
-
90.5
1.5
-
-
3564TD 1
-
-
-
91.0
2.0
-
-
3583TD 1
-
-
-
2 Piston pin not included.
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
2018 PARTS UNLIMITED OFFROAD