ENGINE
HIGH-PERFORMANCE PISTONS (CONT)
BORE (MM)
BORE OVER
WISECO
REPL.
REPL.
TOP-END
X STROKE
DISPL. SIZE
SIZES
PK KIT
PISTON
REPL. RING CIRCLIPS
WRIST PIN
BEARING
FITS MODEL
(MM)
(CC)
(MM) (MM)
PART #
PART #
SET PART # PART #
PART #
PART #
CR250 99-09,
66.4
249
66.4
STD
-
0910-1236
0912-0106
CW18
S-508
B1003
WR250 08-13
x
Racer’s Choice 250cc Single Ring
72
72
297
72.0
STD
0903-1164 0910-0779
2835CD
CW18
S-477
-
x
Double Ring
73
HUSQVARNA 4-STROKE
FE 250 14-15, FC 250 14-16
78
250
78
STD
0903-1168 0910-3166
x
52.3
FC 350 14-16, FX350 17
88
-
88.0
-
-
0910-2893
-
CW18
13.5:1 compression 14-15
x
57.5
ArmorGlide skirt coated
FC 350 14-15
88
-
88.0
-
0903-1131 0910-2894
-
CW18
14.5:1 High Compression
x
ArmorGlide skirt coated
57.5
FC 350 14-15
88
-
88.0
-
-
0910-3966
-
CW18
Racer’s Choice
x
14.5:1 High Compression
57.5
ArmorGlide skirt coated Armor-plated piston
FE 350 14-16
88
-
88.0
-
0903-1139 0910-2897
-
CW18
x
57.5
FE 350 14-16
88
-
88.0
-
0903-1140 0910-3926
-
CW18
13:1 High Compression
x
ArmorGlide skirt coated
57.5
95
-
95.0
STD
0903-1141 0910-3165
-
CW19
FX450 17
x
12.6:1 Compression
63.4
ArmorGlide skirt coated
95
-
95.0
-
0903-1142 0910-3913
-
13.5:1 High Compression
x
ArmorGlide skirt coated
63.4
FC 450 14-17, FS450 15-17, FX 450
95
-
95.0
-
-
0910-3967
-
CW19
Racer’s Choice
x
63.4
ArmorGlide skirt coated
FE450 14-16
95
-
89.0
-
0903-1145 0910-3927
-
CW19
0913-0012
-
11.8:1 Stock Compression
x
63.4
95
-
89.0
-
-
0910-3927
-
CW19
0913-0012
-
11.8:1 Stock Compression
x
63.4
FE 501 14-16
95
-
95.0
STD
-
0910-3919
-
CW19
x
ArmorGlide skirt coated
72
KAWASAKI 2-STROKE
KDX50 03-06
41
49
41.0
STD
-
0910-0339
1614CD
CW12
0913-0014
B1000
x
41.5
0.5
-
0910-0340
0912-0136
37.8
42.0
1.0
-
0910-0341
0912-0137
42.5
1.5
-
-
-
43.0
2.0
-
0910-0343
1693CD
KX60 83-05
43
60
43.0
STD
0903-0920 648M04300
1693CD
CW12
0913-0010
0924-0125
*Electrofusion Bore -
x
43.5
0.5
-
648M04350
-
Cylinder sleeving or replating
41.6
44.0
1.0
-
648M04400
1732CD
required for oversizes
45.0
2.0
-
0910-0344
-
KX65 00-17
44.5
64
44.5
STD
0903-0304 752M04450
-
CW12
0913-0010
0924-0125
*Electrofusion Bore-Cylinder sleeving
x
45.0
0.5
0903-0538 0910-1235
-
41.6
46.5
2.00
0903-0514 752M04650
-
KX65 00-17
44.5
64
44.5
STD
-
0910-0761
0912-0123
CW12
0913-0010
0924-0125
*Electrofusion Bore
x
46.5
2.00
-
-
Racer’s Choice Single Ring. Electra Coated
41.6
48
82
48.0
STD
-
446M04800
1890CD
CW14
S-288
B1006
x
48.5
0.5
-
-
1909CD
replating required for oversizes
45.8
49.0
1.0
-
-
1929CD
KX80 84-85
48
82
48.0
STD
-
514M04800
1890CD
CW14
S-517
B1006
x
48.5
0.5
-
-
1909CD
Piston pin
45.8
49.0
1.0
-
514M04900
1929CD
not included
48
82
48.0
STD
-
514M04800
1890CD
CW14
S-517
B1006
*Electrofusion Bore-Cylinder sleeving or
x
48.5
0.5
-
-
1909CD
Piston pin
replating required for oversizes
45.8
49.0
1.0
-
514M04900
1929CD
not included
48
82
48.0
STD
-
539M04800
1890CD
CW14
S-517
B1006
*Electrofusion Bore-Cylinder sleeving or
x
48.5
0.5
-
-
1909CD
Piston pin
replating required for oversizes
45.8
49.0
1.0
-
539M04900
1929CD
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.
2017 PARTS UNLIMITED OFFROAD