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 #
YAMAHA 4-STROKE (CONT)
YZ450F 10-13
97
449
97
STD
-
0910-2951
-
CW18
-
-
RACER’S CHOICE SERIES
x
13.5:1 High Compression
60.8
Boxed Forging
Shot Peened
Titanium Nitride Rings
ArmorGlide skirt coated
YZ450F 14-17, YZ450FX 16-17, WR450F 16-17
97
-
97
STD
0903-1144 0910-3910
-
CW18
-
-
12.5:1 Stock Compression
x
Nikasil Bore, ArmorGlide skirt coated
60.8
YZ450F 14-17, YZ450FX 16-17, WR450F 16-17
97
-
97
-
-
0910-3914
-
CW18
-
-
13.5:1 High Compression
x
Nikasil Bore, ArmorGlide skirt coated
60.8
YZ450F 14-17, YZ450FX 16-17, WR450F 16-17
97
-
97
-
-
0910-3969
-
CW18
-
-
Racer’s Choice
x
14:1 High Compression
60.8
ArmorGlide skirt coated
SR500
87
499
87.0
STD
-
0910-2923
3425XC
CW20
-
-
TT500 77-81
x
87.5
0.5
-
0910-1666
-
XT500 76-81
84
88.0
1.0
-
0910-2924
3465XC
9:1 Stock Compression
Cylinder boring required for oversizes
SR500
87
499
87.0
STD
-
0910-2899
3425XC
CW20
-
-
TT500 77-81
x
87.5
0.5
-
0910-1654
-
XT500 76-81
84
88.0
1.0
-
0910-2900
3465XC
10:1 Compression
89.0
2.0
-
0910-2901
3504XC
Cylinder boring required for oversizes
SR500
87
499
90.0
3.00
-
0910-2927
3544XC
CW20
-
-
TT500 77-81
x
XT500 76-81
84
3mm Big Bore
Stock Compression 9:1
SR500
87
499
90.0
3.00
-
0910-2902
3544XC
CW20
-
-
TT500 77-81
x
XT500 76-81
84
3mm Big Bore
11:1 Compression
XT600 84-96
95
598
98.0
3.00
-
0910-1660
3740XH
CW22
-
-
SRX600 86
x
10:1 Compression
84
XT600 84-96
95
598
95.0
STD
-
4596M09500 3740XH
CW22
-
-
SRX600 86
x
11.5:1 Compression
84
PISTON PRICES
P ART  #
SUG. RETAIL
P ART  #
SUG. RETAIL
P ART  #
SUG. RETAIL
P ART  #
SUG. RETAIL
P ART  #
SUG. RETAIL SUSPENSION
0903-0586
$98.95
0910-0344
$108.95
0910-0735
$118.95
0910-0779
$192.95
0910-0852
$184.95
0903-0587
138.95
0910-0345
112.95
0910-0736
182.95
0910-0784
210.95
0910-0853
220.95
0910-0201
182.95
0910-0346
118.95
0910-0737
192.95
0910-0785
236.95
0910-1216
148.95
0910-0202
92.95
0910-0347
142.95
0910-0738
92.95
0910-0787
210.95
0910-1217
182.95 ELECTRICAL
0910-0203
92.95
0910-0354
184.95
0910-0739
92.95
0910-0788
210.95
0910-1218
148.95 & GAUGES
0910-0204
92.95
0910-0356
220.95
0910-0747
112.95
0910-0789
236.95
0910-1219
148.95
0910-0205
102.95
0910-0357
118.95
0910-0748
112.95
0910-0790
236.95
0910-1220
182.95
0910-0207
182.95
0910-0358
142.95
0910-0749
112.95
0910-0791
196.95
0910-1221
118.95
0910-0289
152.95
0910-0359
128.95
0910-0752
138.95
0910-0793
222.95
0910-1222
118.95 LIGHTING
0910-0290
162.95
0910-0361
128.95
0910-0753
182.95
0910-0795
102.95
0910-1223
118.95
0910-0322
138.95
0910-0364
138.95
0910-0754
182.95
0910-0796
102.95
0910-1224
148.95
0910-0323
108.95
0910-0366
138.95
0910-0755
182.95
0910-0797
102.95
0910-1225
118.95
0910-0324
128.95
0910-0367
192.95
0910-0756
220.95
0910-0799
152.95
0910-1227
108.95
0910-0325
128.95
0910-0368
128.95
0910-0757
202.95
0910-0800
162.95
0910-1228
108.95 ENGINE
0910-0326
128.95
0910-0369
128.95
0910-0758
222.95
0910-0801
152.95
0910-1231
182.95
0910-0327
138.95
0910-0373
196.95
0910-0760
222.95
0910-0805
172.95
0910-1232
182.95
0910-0328
128.95
0910-0374
222.95
0910-0761
118.95
0910-0806
220.95
0910-1233
162.95
0910-0329
128.95
0910-0375
222.95
0910-0762
108.95
0910-0808
184.95
0910-1234
162.95 FUEL/AIR
0910-0331
138.95
0910-0571
118.95
0910-0763
182.95
0910-0810
220.95
0910-1235
98.95 SYSTEMS
0910-0332
138.95
0910-0572
142.95
0910-0764
128.95
0910-0819
164.95
0910-1236
162.95
0910-0333
184.95
0910-0573
184.95
0910-0765
128.95
0910-0820
184.95
0910-1237
98.95
0910-0334
196.95
0910-0574
220.95
0910-0768
220.95
0910-0821
184.95
0910-1238
108.95 HARDWARE &
0910-0335
222.95
0910-0663
152.95
0910-0769
196.95
0910-0822
220.95
0910-1239
162.95
0910-0337
196.95
0910-0664
152.95
0910-0771
222.95
0910-0844
184.95
0910-1240
118.95
0910-0338
222.95
0910-0729
152.95
0910-0772
240.95
0910-0845
220.95
0910-1241
118.95
0910-0339
88.95
0910-0730
162.95
0910-0773
142.95
0910-0846
204.95
0910-1242
152.95
0910-0340
88.95
0910-0731
152.95
0910-0776
152.95
0910-0848
230.95
0910-1243
152.95 CROSS
0910-0341
88.95
0910-0732
162.95
0910-0777
152.95
0910-0850
210.95
0910-1244
152.95 REFERENCE
0910-0343
92.95
0910-0733
118.95
0910-0778
152.95
0910-0851
236.95
0910-1245
152.95
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