All part numbers in
BOLD MAGENTA
are new this year.
2014 PARTS EUROPE OFFROAD
ENGINE
EXHAUST
TIRES
TUBES &
WHEELS
TIRE
ACCESSORIES
ACCESSORIES
HANDLEBARS
& CONTROLS
FOOT
CONTROLS
BODY
GRAPHICS
& SEATS
SPROCKETS
CHAINS
BRAKES
SUSPENSION
ELECTRICAL
& GAUGES
ENGINE
FUEL/AIR
SYSTEMS
CHEMICALS
& LUBRICANTS
HARDWARE
& TOOLS
TRANSPORT
& TRAILER
RIDER
ACCESSORIES
MERCHANDISING
INDEX
593
PISTONS (CONT)
PISTONS continued on next page.
FITS MODEL
BORE (MM) X
STROKE (MM)
DISPL.
(CC)
BORE
SIZE (MM)
OVER
SIZES (MM)
TOP END
KIT PART # PISTON PART #
REPL. RING
SET PART #
REPL. CIRCLIPS
PART #
REPL. WRIST
PIN PART #
TOP‑END
BEARING PART #
YAMAHA 2‑STROKE (CONT)
DT400 75‑78
85
397
85,0
STD
‑
‑
3347TD
CW18
S‑277
B1003
MX400 75‑78
x
85,5
0,5
‑
232M08550
3366TD
70
86,0
1,0
‑
232M08600
3386TD
86,5
1,5
‑
‑
3405TD
YZ400 77‑78
85
397
85,5
0,5
‑
394M08550
3366TD
CW18
S‑277
B1003
IT400 77‑78
x
86,5
1,5
‑
394M08650
3405TD
70
YZ465 80‑81
85
465
85,5
0,5
‑
451M08550
3366TD
CW18
S‑277
B1014
IT465 81‑82
X
86,5
1,5
‑
451M08650
3405TD
82
IT490 83‑84
87
487
87,0
STD
‑
‑
3425TD
CW18
S‑277
B1014
x
87,5
0,5
‑
478M08750
3445TD
82
88,0
1,0
‑
478M08800
3465TD
88,5
1,5
‑
‑
3484TD
89,0
2,0
‑
478M08900
3504TD
WR500 91‑93
87
487
87,0
STD
‑
546M08700
3425TD
CW18
S‑277
B1014
x
87,5
0,5
‑
546M08750
3445TD
82
88,0
1,0
‑
546M08800
3465TD
88,5
1,5
‑
546M08850
3484TD
89,0
2,0
‑
546M08900
3504TD
YAMAHA 4‑STROKE
TTR90E 04‑06
47
90
47,0
STD
‑
0910‑0368
0912‑0112
CW13
0913‑0005
‑
11:1 Hi‑Compression
x
92
47,5
0,5
‑
0910‑0369
0912‑0113
51,8
48,0
1,0
‑
‑
0912‑0114
50,0
3,0
‑
‑
0912‑0110
52,0
5,0
‑
‑
0912‑0111
TTR125 00‑07
54
123,7
54,0
STD
0903‑0742 4752M05400
‑
CW15
‑
‑
11:1 Compression
x
54,5
0,5
0903‑0740 4752M05450
‑
54
55,0
1,0
0903‑0741 4752M05500
‑
TTR250 00‑03
73
249
73,0
STD
‑
4689M07300
2874XC
CW18
‑
‑
10,5:1 Compression
x
73,5
0,5
‑
4689M07350
2894XC
74,0
1,0
‑
4689M07400
2913XC
74,5
1,5
‑
‑
2933XC
59,6
75,0
2,0
‑
‑
2953XC
YZ250F/WR250F 01‑04
77
249
77,0
STD
0903‑0554 0910‑0573
‑
CW16
‑
‑
12,7:1 Compression (77 mm)
x
262
79,0
2,0
‑
‑
3110XG
13,2:1 Compression (79 mm)
53,6
YZ250F 01‑04
77
249
77,0
STD
0903‑0561 0910‑0806
0912‑0140
CW16
‑
‑
Racer’s Choice
x
13,5:1 Compression (77 mm)
53,6
13,9:1 Compression (79 mm)
2‑ring
WR250F 01‑09
77
83,0
6,0
‑
‑
3268XG
CW16
12,5:1 Compression
x
290CC Big Bore Kit
53,6
YZ250F 05‑07
77
250
77,0
STD
0903‑0559 0910‑0808
‑
CW16
‑
‑
WR250F 05‑13
x
12,5:1 Compression
53,6
YZ250F 05‑07
77
250
77,0
STD
0903‑0558 0910‑0810
0912‑0140
CW16
‑
‑
WR250F 05‑13
x
Racer’s Choice
53,6
13,5:1 High‑Compression. 2 Ring.
YZ250F 08‑11
77
77,0
STD
0903‑0937 0910‑1678
‑
CW16
‑
‑
13,5:1 Stock Compression
x
79,0
2,0
‑
‑
3110XG
Nikasil bore
53,6
YZ250F 08‑11
77
77,0
STD
0903‑0938 ‑
0912‑0140
CW16
‑
‑
14:1 High‑Compression
x
Nikasil bore
53,6
YZ250F 12‑13
77
77,0
STD
‑
0910‑3164
‑
‑
‑
‑
13,5:1 Stock Compression
x
Nikasil bore
53,6
TT350 85‑89
86
86,0
STD
‑
0910‑2916
3386XC
CW19
‑
‑
XT350 85‑95
x
87,0
1,0
‑
0910‑1661
3425XC
9:1 Compression
59,6
87,5
1,5
‑
0910‑2917
‑
YZ400F 98‑00
92
399
92,0
STD
‑
4649M09200
‑
CW18
‑
‑
WR400F 98‑00
x
12,5:1 Compression
60,1
YZ400F 98‑00
92
399
92,0
STD
‑
4650M09200
‑
CW18
‑
‑
WR400F 98‑00
x
13,5:1 Compression
60,1
YZ426F 00‑02
95
426
95,0
STD
‑
4693M09500
‑
CW19
‑
‑
WR426F 00‑02
x
97,0
2,0
‑
0910‑2918
0912‑0424
12,5:1 Stock Compression
60,1
YZ426F 00‑02
95
95,0
STD
‑
0910‑2919
‑
CW19
‑
‑
WR426F 00‑02
x
97,0
2,0
‑
‑
0912‑0424
13,5:1 High‑Compression
60,1
YZ450F 03‑05
95
449
95,0
STD
0903‑0563 0910‑0373
‑
CW18
‑
‑
WR450F 03‑05
x
97,0
2,0
‑
0910‑0374
‑
12,5:1 Standard Compression
63
Nikasil Bore
