ENGINE
HIGH-PERFORMANCE PISTONS (CONT)
STOCK BORE BORE
TOP-END
x STROKE
SIZE
OVERIZE DISPLACEMENT COMPRESSION PISTON
PK KIT
RING SET
CIRCLIP
WRIST PIN BEARING
(mm)
(mm)
(mm)
(cc)
RATIO
PART #
PART #
PART #
PART #
PART #
PART #
TRX400EX 99-08/ TRX400X 09-14
85 x 70
85.0
STD
397
11:1
4628M08500
0903-0353
3347XC
CW20
-
-
85.5
0.50
0910-2831
0903-0475
-
-
-
-
86.0
1.00
-
0903-0471
3386XC
-
-
-
87.0
2.00
-
0903-0473
3425XC
-
-
-
88.0
3.00
-
0903-0485
3465XC
-
-
-
TRX400EX 99-08/ TRX400X 09-14
89 x 70
89.0
4.00
440
11:1
4667M08900
0903-0354
3504XC
CW20
S553
-
-
-
-
-
-
-
TRX400 Foreman 4x4 95-03
86 x 68
86.0
STD
394.9
8.2:1
4669M08600
-
3386XC
CW19
-
-
87.0
1.00
4669M08700
-
3425XC
-
-
-
86.5 x 71.5
86.5
STD
420
Stock
0910-2820
-
-
CW19
-
-
87.0
0.50
0910-2821
-
-
-
-
-
* Sleeve required for 87.5-88.5mm
87.5
1.00
0910-2822
-
-
-
-
-
90.0
STD
432
9.5:1
0910-2833
0903-0648
3544XC
CW19
-
-
TRX450 Foreman ES/S 4x4 98-04
90 x 68
90.5
0.50
0910-2834
0903-0649
-
-
-
-
91.0
1.00
0910-2835
0903-0650
-
-
-
-
91.5
1.50
0910-2836
0903-0651
-
-
-
-
92.0
2.00
-
0903-0652
3622XC
-
-
-
94 x 64.8
94.0
STD
450
10.5:1
0910-0665
0903-0477
-
-
-
-
-
-
-
-
-
-
TRX450R 04-05
94 x 64.8
94.0
STD
450
11.5:1
0910-0666
0903-0472
-
CW21
-
-
ArmorGlide skirt coated
-
-
-
-
-
-
94 x 64.8
94.0
STD
450
12.1:1
0910-0668
0903-0486
-
-
-
-
ArmorGlide skirt coated, Gas Ported
-
-
-
-
-
-
TRX450R 04-05
94 x 64.8
98.0
5.00
489
12.5:1
0910-2839
-
-
CW21
-
-
ArmorGlide skirt coated
-
-
-
-
-
-
-
-
-
-
-
-
piston pins, retainer clips, gasket.
Sleeve or big-bore cylinder required
-
-
-
-
-
-
96 x 64.8
96.0
STD
450
12.0:1
0910-2844
0903-0479
-
CW21
-
-
-
-
-
-
-
-
TRX450R/ER 06-14
96 x 64.8
96.0
STD
450
13.5:1
0910-1671
0903-0480
-
CW21
-
-
ArmorGlide skirt coated
-
-
-
-
-
-
96 x 64.8
96.0
STD
450
13.5:1
0910-4189
-
-
CW21
-
-
-
-
-
-
-
-
ArmorPlating. Boxed forging.
-
-
-
-
-
-
DLC piston pin. TiN-coated ring
-
-
-
-
-
-
TRX650 Rincon 03-05
100 x 82.6
102.0
STD
649
11:1
0910-4154
-
-
-
-
-
TRX680 Rincon 06-17,
102 x 82.6
102.0
STD
675
10:1
0910-3924
-
-
-
-
-
Pioneer 700 14-16
103.0
1.00
688
10:1
0910-3925
-
-
-
-
-
TRX700XX 08-12
102 x 84
102.0
STD
686
10.5:1
0910-4161
-
-
CW24
-
-
103.0
1.00
0910-4162
-
-
-
-
-
104.0
2.00
0910-4163
-
-
-
-
-
KAWASAKI (2-STROKE)
KFX80 03-06
50 x 42
50.0
STD
82
Stock
673M05000
0903-0343
1969CD
CW12
-
B1000
50.25
0.25
0910-2805
0903-0457
-
-
-
-
50.5
0.50
673M05050
0903-0369
1988CD
-
-
-
51.0
1.00
673M05100
0903-0370
2008CD
-
-
-
51.5
1.50
673M05150
0903-0344
-
-
-
-
52.0
2.00
0910-0380
0903-0336
-
-
-
-
KXT250 Tecate 84-87
70 x 64.9
70.0
STD
249
Stock
439M07000
-
2756CD
CW18
S-513
B1022X
*Electrofusion Bore – Cylinder
70.5
0.50
439M07050
-
2776CD
-
-
-
sleeving or replating
71.0
1.00
439M07100
-
2795CD
-
-
-
71.5
1.50
-
-
2815CD
-
-
-
72.0
2.00
-
-
2835CD
-
-
-
Tecate-4 250 87-88 (4 Wheeler Only)
67.4 x 70
67.4
STD
249
Stock
556M06740
-
2652CD
CW18
S-508
B1022X
Pro-Lite
68.0
0.60
-
-
2677CD
-
-
-
68.5
1.10
556M06850
-
2697CD
-
-
-
69.0
1.60
-
-
2717CD
-
-
-
required for oversizes
69.5
2.10
556M06950
-
2736CD
-
-
-
KAWASAKI (4-STROKE)
67 x 61
67.0
STD
215
9.3:1
4670M06700
0903-0324
2638XC
CW16
-
-
67.5
0.50
4670M06750
0903-0355
2658XC
-
-
-
68.0
1.00
-
0903-0325
-
-
-
-
KSF250 Mojave 87-05 (Liquid Cooled)
74 x 58
74.0
STD
249
11.5:1
4418M07400
0903-1276
2913XC
CW18
-
-
74.5
0.50
4418M07450
0903-1277
2933XC
-
-
-
75.0
1.00
4418M07500
0903-1278
2953XC
-
-
-
KLF300 Bayou/ 4X4 86-03
76 x 64
76.0
STD
290
8.6:1
4671M07600
0903-0331
2992XC
CW18
-
-
76.5
0.50
4671M07650
0903-0371
-
-
-
-
KVF300 Prairie/ 4X4 99-03
77.0
1.00
4671M07700
0903-0349
-
-
-
-
77.5
1.50
0910-2832
0903-0326
-
-
-
-
KFX400 03-06
90 x 62.6
90.0
STD
398
12.2:1
4713M09000
-
-
CW20
-
-
92.0
2.00
4713M09200
-
-
-
-
-
KFX400 03-06
90 x 62.6
90.0
STD
398
13.5:1
4714M09000
-
-
CW20
-
-
Nikasil Bore – cylinder sleeving
or replating required for oversizes
-
-
-
-
-
-
2018 PARTS UNLIMITED ATV/UTV