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
592
PISTONS (CONT)
PISTONS continued on next page.
1
IT250 81-82 and YZ250 80-81.
2
YZ250 82.
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)
YZ125 05‑14
54
125
54,0
STD
0903‑0513 0910‑0799
2126CS
CW15
0913‑0015
B1001
GP Series
x
134
56,0
2,0
0903‑0681 0910‑0800
2205CS
Electra Coated
54,5
144
58,0
4,0
0903‑0682 0910‑1255
2284CS
*Crankcase clearance required for
57 mm and larger bore diameter*
MX175 79‑81
66
172
66,0
STD
‑
471M06600
2598CD
CW16
‑
B1021
x
66,5
0,5
‑
471M06650
2618CD
50
67,0
1,0
‑
471M06700
2638CD
68,0
2,0
‑
‑
2677CD
YZ175 76‑81
66
172
66,0
STD
‑
‑
2598CD
CW16
S‑259
B1021
IT175 76‑81
x
66,5
0,5
‑
374M06650
2618CD
50
67,0
1,0
‑
374M06700
2638CD
67,5
1,5
‑
374M06750
2658CD
RT180 90‑98
64,5
64,5
STD
‑
0910‑2875
2539CD
CW16
S‑486
‑
x
65,0
0,5
‑
0910‑2876
2559CD
54
65,5
1,0
‑
0910‑2877
2579CD
DT200 90‑91
66
66,0
STD
‑
0910‑1682
2598CD
CW16
‑
B1008
X
66,5
0,5
‑
0910‑1683
2618CD
57
67,0
1,0
‑
0910‑1684
2638CD
67,5
1,5
‑
‑
2658CD
68,0
2,0
‑
0910‑1686
2677CD
IT200 84‑86
66
195
66,0
STD
‑
‑
2598CD
CW16
‑
‑
x
67,0
1,0
‑
522M06700
2638CD
57
68,0
2,0
‑
522M06800
2677CD
WR200 92‑93
66,8
199
66,8
STD
‑
0910‑0801
2628CD
CW16
‑
‑
x
68,5
1,7
‑
‑
2697CD
57
DT250 75‑76
70
246
70,0
STD
‑
234M07000
2756CD
CW18
S‑343
B1003
YZ250 76‑79
x
70,5
0,5
‑
234M07050
2776CD
64
71,0
1,0
‑
234M07100
2795CD
71,5
7,5
‑
‑
2815CD
72,0
2,0
‑
234M07200
2835CD
YZ250 80‑82
70
246
70,0
STD
‑
452M07000
2756CD
CW18
S‑343
B1003
1
x
70,25
0,25
‑
‑
2766CD
B1014
2
64
70,5
0,5
‑
‑
2776CD
70,75
0,75
‑
‑
2786CD
71,0
1,0
‑
452M07100
2795CD
71,5
1,5
‑
452M07150
2815CD
72,0
2,0
‑
452M07200
2835CD
IT250 83
68
246,8
68,0
STD
‑
‑
2677CD
CW18
S‑511X
B1014
x
68,5
0,5
‑
515M06850
2697CD
68
67,75
0,75
‑
‑
2707CD
69,0
1,0
‑
515M06900
2717CD
69,25
1,25
‑
‑
2727CD
69,5
1,5
‑
‑
2736CD
70,0
2,0
‑
515M07000
2756CD
YZ250 83‑87
68
246,8
68,0
STD
‑
560M06800
2677CD
CW18
S‑511X
B1014
Power Valve must be modified
x
68,5
0,5
‑
560M06850
2697CD
for 0,040 and larger
68
69,0
1,0
‑
560M06900
2717CD
69,5
1,5
‑
560M06950
2736CD
70,0
2,0
‑
560M07000
2756CD
YZ250 88‑91
68
246,8
68,0
STD
‑
605M06800
2677CD
CW18
S‑508
B1014
WR250 88‑91
x
68,5
0,5
‑
605M06850
2697CD
Power Valve must be
68
69,0
1,0
‑
605M06900
2717CD
modified for 0,040 and larger
69,5
1,5
‑
605M06950
2736CD
1991 model is Ceramic
70,0
2,0
‑
605M07000
2756CD
YZ250 92‑94
68
246,8
68,0
STD
0903‑0716 677M06800
2677CD
CW18
S‑508
B1014
WR250 92‑94
x
68,5
0,5
0903‑0717 677M06850
2697CD
Ceramic Composite
68
69,0
1,0
0903‑0718 677M06900
2717CD
70,0
2,0
‑
0910‑1231
2756CD
YZ250 92‑98
68
246,8
68,0
STD
‑
0910‑1233
2677CS
CW18
S‑508
B1014
GP Series
x
Single Ring
68
YZ250 95‑98
68
246,8
68,0
STD
0903‑0720 677M06800
2677CD
CW18
S‑508
B1014
WR250 95‑98
x
68,5
0,5
0903‑0721 677M06850
2697CD
Ceramic Composite
68
69,0
1,0
0903‑0722 677M06900
2717CD
70,0
2,0
0903‑0723 0910‑1231
2756CD
YZ250 99‑01
66,4
249
66,4
STD
0903‑0921 804M06640
2614CD
CW18
S‑508
B1003
Ceramic Composite
x
67,0
0,6
‑
0910‑1244
2638CD
72
67,5
1,1
‑
0910‑1245
2658CD
68,5
2,1
‑
0910‑0207
2697CD
YZ250 02‑14
66,4
249
66,4
STD
0903‑0308 804M06640
2614CD
CW18
S‑508
B1003
Ceramic Composite
x
67,0
0,6
0903‑0524 0910‑1244
2638CD
72
67,5
1,1
0903‑0543 0910‑1245
2658CD
68,5
2,1
0903‑0188 0910‑0207
2697CD
YZ250 02‑14
66,4
249,3
66,4
STD
0903‑0929 0910‑0367
0912‑0106
CW18
S‑508
B1003
GP Series Single Ring
x
72
