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
FITS MODEL
(mm)
(mm)
(mm)
(cc)
RATIO
PART #
PART #
PART #
PART #
PART #
PART #
HONDA (2-STROKE) (CONT)
TRX250R FourTrax 87-89
66 x 72
66.0
STD
246
Stock
562M06600
-
2598CD
CW18
S-482
B1003
Pro-Lite
66.25
0.25
-
-
2608CD
-
-
-
Bridged Intake
66.5
0.50
562M06650
-
2618CD
-
-
-
Liquid Cooled
66.75
0.75
-
-
2628CD
-
-
-
67.0
1.00
562M06700
-
2638CD
-
-
-
67.25
1.25
-
-
2648CD
-
-
-
67.5
1.50
0910-1215
-
2658CD
-
-
-
68.0
2.00
562M06800
-
2677CD
-
-
-
Odyssey 350 84
80 x 72
80.0
STD
342
Stock
533M08000
-
3150TD
CW18
S-257
B1003
Drop-in for original
80.5
0.50
533M08050
-
3169TD
-
-
-
342cc engine
81.0
1.00
533M08100
-
3189TD
-
-
-
81.5
1.50
-
-
3209TD
-
-
-
82.0
2.00
533M08200
-
3228TD
-
-
-
Odyssey 350 85
78.5 x 72
80.0
1.50
329
Stock
533M08000
-
3150TD
CW18
S-257
B1003
Overbore Kit
80.5
2.00
533M08050
-
3169TD
-
-
-
for 329cc engine
81.0
2.50
533M08100
-
3189TD
-
-
-
81.5
3.00
-
-
3209TD
-
-
-
82.0
3.50
533M08200
-
3228TD
-
-
-
Pilot FL-400R 89-91
80 x 79
80.0
STD
397
Stock
577M08000
-
3150TD
CW20
S-512X
B1023
81.0
1.00
0910-2804
-
3189TD
-
-
-
81.5
1.50
-
-
3209TD
-
-
-
82.0
2.00
577M08200
-
3228TD
-
-
-
HONDA (4-STROKE)
ATC 185/S 80-83
63 x 57.8
65.0
2.00
191.8
10.25:1
4362M06500
0903-0316
2559XC
CW15
S-522
-
+.080 Overbore
65.5
2.50
4156M06550
0903-0346
2579XC
-
-
-
*Cylinder Boring Only
66.0
3.00
4156M06600
0903-0364
2598XC
-
-
-
66.5
3.50
4156M06650
0903-0347
2618XC
-
-
-
67.0
2.00
0910-2827
0903-0501
2638XC
-
-
-
ATC200/ TRX200 81-85
65 x 57.8
65.0
STD
191.8
10.25:1
4362M06500
0903-0316
2559XC
CW15
S-522
-
ATC200S 81-86
65.5
0.50
4156M06550
0903-0346
2579XC
-
-
-
66.0
1.00
4156M06600
0903-0364
2598XC
-
-
-
66.5
1.50
4156M06650
0903-0347
2618XC
-
-
-
67.0
2.00
0910-2827
0903-0501
2638XC
-
-
-
ATC200/ TRX200 81-85
65 x 57.8
65.0
STD
191.8
12.0:1
4289M06500
-
2559XC
CW15
S-522
-
ATC200S 81-86
65.5
0.50
4289M06550
-
2579XC
-
-
-
*Race part only
66.0
1.00
4289M06600
-
2598XC
-
-
-
67.0
2.00
-
-
2638XC
-
-
-
ATC200X/ TRX200SX 86-88
65 x 60
65.0
STD
199
10.25:1
-
-
2559XC
CW15
S-522
-
Fat Cat 200 86-87
65.5
0.50
4394M06550
-
2579XC
-
-
-
66.0
1.00
-
-
2598XC
-
-
-
TRX250X 87-92 4-Valve
74 x 57.3
74.0
STD
246
12.0:1
4440M07400
0903-0491
2913XC
CW17
S-523
-
74.5
0.50
4440M07450
0903-0504
2933XC
-
-
-
75.0
1.00
4440M07500
0903-0505
2953XC
-
-
-
76.0
2.00
0910-2829
0903-0493
2992XC
-
-
-
TRX250EX 01-08
68.5 x 62.2
68.5
STD
229
10.5:1
0910-0856
0903-0629
-
CW15
-
-
69.0
0.50
0910-0857
0903-0631
-
-
-
-
69.5
1.00
0910-0858
0903-0632
-
-
-
-
TRX250 TE/TM/X Recon 02-17
68.5 x 62.2
68.5
STD
229
10:01
0910-2825
-
-
CW15
-
-
ArmorGlide skirt coated
69.0
0.50
0910-2826
-
-
-
-
-
69.5
1.00
0910-4153
-
-
-
-
-
TRX300 2WD/ 4WD 88-00
74 x 65.5
74.0
STD
282
10.25:1
4629M07400
0903-0318
2913XC
CW17
S-523
-
2-Valve
74.5
0.50
4629M07450
0903-0329
2933XC
-
-
-
75.0
1.00
4629M07500
0903-0321
2953XC
-
-
-
75.5
1.50
-
0903-0330
2973XC
-
-
-
76.0
2.00
-
0903-0494
2992XC
-
-
-
TRX300EX 92-08
74 x 65.5
74.0
STD
282
11:01
4574M07400
0903-0334
2913XC
CW17
S-523
-
4-Valve
74.5
0.50
4574M07450
0903-0348
2933XC
-
-
-
75.0
1.00
4574M07500
0903-0335
2953XC
-
-
-
75.5
1.50
0910-0377
0903-0312
2973XC
-
-
-
76.0
2.00
0910-0378
0903-0313
-
-
-
-
ATC350X/ TRX350 Foreman 85-89
81 x 68
81.0
STD
350.4
10.25:1
4393M08100
0903-0317
3189XG
CW21
S-529
-
81.5
0.50
4393M08150
0903-0328
3208XG
-
-
-
82.0
1.00
4393M08200
0903-0323
3228XG
-
-
-
ATC350X/ TRX350 Foreman 85-89
81 x 68
81.0
STD
350.4
12.0:1
-
-
3189XG
CW21
S-529
-
81.5
0.50
4396M08150
-
3208XG
-
-
-
82.0
1.00
4396M08200
-
3228XG
-
-
-
TRX350 Rancher 00-06
78.5 x 68
78.5
STD
325
8.5:1
0910-0854
0903-0633
-
CW17
-
-
79.0
0.50
0910-0855
0903-0634
-
-
-
-
79.5
1.00
0910-2850
0903-0635
-
-
-
-
TRX400EX 99-08/ TRX400X 09-14
85 x 70
85.0
STD
397
10.0:1
4606M08500
0903-0345
3347XC
CW20
-
-
85.5
0.50
0910-2830
0903-0476
-
-
-
-
86.0
1.00
4606M08600
0903-0374
3386XC
-
-
-
87.0
2.00
-
0903-0483
3425XC
-
-
-
88.0
3.00
-
0903-0484
3465XC
-
-
-
HIGH-PERFORMANCE PISTONS continued on next page.
2018 PARTS UNLIMITED ATV/UTV