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 #
SUZUKI 4-STROKE (CONT)
RM-Z250 10-17
77
250
77.0
STD
0903-1166 0910-2888
0912-0140
CW16
-
-
13.4:1 Compression
x
ArmorGlide skirt coated
53.6
RM-Z250 10-17
77
250
77.0
STD
0903-1167 0910-2892
0912-0140
CW16
-
-
13.9:1 Compression
x
ArmorGlide skirt coated
53.6
RM-Z250 10-17
77
250
77.0
STD
-
0910-2957
-
CW16
-
-
RACER’S CHOICE SERIES
x
13.9:1 High Compression
53.6
Boxed Forging
Shot Peened
Titanium Nitride Rings
ArmorGlide skirt coated
DR350 90-99
79
349
79.0
STD
-
0910-2905
3110XG
CW20
S-520
-
x
80.0
1.0
-
4576M08000 3150XG
71.2
81.0
2.0
-
0910-2906
-
82.0
3.0
-
0910-2907
-
83.0
4.0
-
0910-2908
3268XG
DR-Z400 00-16 (all)
90
398
90.0
STD
0903-0734 4713M09000 -
CW20
0913-0011
-
12.2:1 Stock Compression
x
92.0
2.0
-
4713M09200 -
62.6
DR-Z400 00-16 (all)
90
398
90.0
STD
0903-0736 4714M09000 -
CW20
0913-0011
-
13.5:1 Compression
x
92.0
2.0
-
-
-
62.6
DR-Z400 00-16 (all)
94.5
440
94.50
4.50
0903-0738 0910-0768
-
CW20
0913-0011
-
440cc Big Bore Piston
x
12.5:1 Compression
62.6
ArmorGlide skirt coated. Nikasil Bore-Cylinder sleeving
or big bore cylinder required
DR-Z400 00-16 (all)
94.5
440
94.50
4.50
0903-0739 -
-
CW20
0913-0011
-
440cc Big Bore Piston
x
13.5:1 Compression
62.6
ArmorGlide skirt coated. Nikasil Bore-Cylinder sleeving
or big bore cylinder required
RMZ450 05-07
95.5
450
95.5
STD
0903-0569 0910-0791
0912-0135
CW19
0913-0012
-
12:1 Compression
x
ArmorGlide skirt coated
62.8
Bore and replating required for oversizes
RMZ450 05-07
95.5
450
95.5
STD
-
0910-0793
0912-0135
CW19
0913-0012
-
13:1 Compression
x
ArmorGlide skirt coated
62.8
Bore and replating required for oversizes
RM-Z450 08-12, RMX450Z 10-16
96
449
96
STD
-
0910-1679
-
CW19
0913-0012
-
Stock Compression
x
ArmorGlide skirt coated
62.1
RM-Z450 08-12, RMX450Z 10-16
96
449
96
STD
-
0910-1680
-
CW19
0913-0012
-
13.2:1 High-Compression
x
ArmorGlide skirt coated
62.1
RM-Z450 08-12, RMX450Z 10-16
96
449
96
STD
-
0910-2954
-
CW19
0913-0012
-
RACER’S CHOICE SERIES
x
13.7:1 High-Compression
62.1
Boxed Forging
Shot Peened
Titanium Nitride Rings
ArmorGlide skirt coated
RM-Z450 13-17
96
-
96.0
STD
0903-1136
0912-0122
CW19
12.5:1 Stock Compression
x
62.1
RM-Z450 13-17
96
-
96.0
STD
0903-1138 0910-3928
-
CW19
13:1 Compression
x
62.1
DR650 90-95
95
641
95
STD
-
0910-1658
3740XH
CW23
-
-
LS650 86-95
x
-
0910-1659
-
Cylinder boring required for oversizes
90.4
YAMAHA 2-STROKE
PW50 85-87/90-15
40
49
40
STD
0903-0275 653M04000
1574CD
-
-
-
x
40.5
0.5
0903-0281 653M04050
1594CD
39.2
41.0
1.0
0903-0269 653M04100
1614CD
41.5
1.5
0903-0197 653M04150
0912-0136
42.0
2.0
0903-0456 0910-2871
-
YZ80 74-75
47
72
47.0
STD
-
222M04700
1850CS
CW12
S538
B1042
MX80 80-82
x
47.5
0.5
-
-
1869CS
TY80 74-75
42
48.0
1.0
-
222M04800
1890CS
GT1 73-75
48.5
1.5
-
-
1909CS
HIGH-PERFORMANCE PISTONS continued on next page.
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