EXHAUST
TIRES
TUBES
TIRE
ACCESSORIES
BIKE
ACCESSORIES
PITBIKE
GRAPHICS /SEAT
BODY
MIRRORS
CONTROLS
BARS /GRIPS
LEVERS
CABLES
INTAKE
FUELSYSTEMS
AIR FILTERS
OIL FILTERS
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
PISTONS
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHEMICALS
GASCANS
TOOLS
LOCKS
RAMPS /STRAPS
TRAILERS
PROMOTIONAL
REFERENCE
INDEX
x
X X
X
X
761
Continued on the next page
All kits come with pistons, rings and circlips.
Wrist Pin is included, except when noted.
For replacement ring pricing, see page 704Application
Bore x
Stroke mm
Disp.
(cc)
Bore
Size mm Sizes In.
WPS#
List
Repl. Ring
Set
Repl. Circlips
Wrist Pin
Top End
Bearing
YAMAHA 2 CYCLE (CONT’D...)
YZ125, ‘86-88 PRO-LITE
56 x 50
123 56
STD
559PS 128.00
2205CS Circlips CW-16 B1016
Power Valve must be modified
56.5
0.020
559P2 128.00
2224CS Wrist pin S-514 12-1402
for .040 and larger
57
0.040
559P4 128.00
2244CS
57.5
0.060
559P6 148.00
2264CS
58
0.080
2284CS
YZ125, ‘89 PRO-LITE
56 x 50
123 56
STD
582PS $128.00
2205CS Circlips CW-16 B1016
Nikasil Bore, Sleeving
56.5
0.020
2224CS Wrist pin S-270 12-1402
required for oversizes
57
0.040
582P4 $128.00
2244CS
YZ125, ‘90-92 PRO-LITE
56 x 50.7 124 56
STD
594PS 128.00
2205CS Circlips CW-16 B1016
Nikasil Bore, Sleeving
56.5
0.020
2224CS Wrist pin S-514 12-1402
required for oversizes
57
0.040
594P4 $128.00
2244CS
YZ125, ‘93 PRO-LITE
56 x 50.7 123 56
STD
629PS 128.00
2205CS Circlips CW-16 B1016
Nikasil Bore, Sleeving
56.5
0.020
2224CS Wrist pin S-514 12-1402
required for oversizes
57
0.040
629P4 $128.00
2244CS
YZ125, ‘94-96 PRO-LITE
54 x 54.5 123 54
STD
647PS 128.00
2126CS Circlips CW-16 B1016
Nikasil Bore, Sleeving
54.5
0.020
647P2 128.00
2146CS Wrist pin S-514 12-1402
required for oversizes
55
0.040
647P4 128.00
2165CS
56
0.080
647P8 148.00
2205CS
YZ125, ‘97 PRO-LITE
54 x 54.5 123 54
STD
693PS 128.00
2126CS Circlips CW-15 B1038
Ceramic Composite, Cylinder
Wrist pin S-467
sleeving required for oversizes
YZ125, ‘97 PRO-LITE
54 x 54.5 123 54
STD
765PS
$152.00
2126CS Circlips CW-15
Racer Choice, GP Series
56
0.080
765P8 162.00
2205CS Wrist pin S-632
YZ125, ‘98-01 PRO-LITE
54 x 54.5 124 54
STD
726PS 128.00
2126CS Circlips CW-15 98-00
Ceramic Composite, Cylinder
54.5
0.020
726P2
128.00
2146CS Wrist pin S-467
sleeving required for oversizes
55
0.040
726P4
128.00
2165CS
56
0.080
726P8 148.00
2205CS
B1038
YZ125, ‘02-04 PRO-LITE
54 x 54.5 124 54
STD
797PS 118.00
2126CST Circlips CW-15 B1001
Ceramic Composite, Cylinder
54.5
0.020
797P2
118.00
2146CS Wrist pin S-467
sleeving required for oversizes
55
0.040
797P4
118.00
2165CS
56
0.080
797P8 142.00
2205CS
YZ125, ‘05-16 PRO-LITE
54 x 54.5 124 54
STD
845PS 118.00
2126CS Circlips CW-15 B1001
Sleeving required for oversized
56
0.080
845P8 142.00
2205CS
S-668
YZ125, ‘05-16 GP Style
54 x 54.5 124 54
STD
846PS 152.00
2126CS Circlips CW-15 B1001
Longer skirt, Thicker Dome,No
56
0.080
846P8 162.00
2205CS
S-668
intake window, Cylinder sleeving required for oversized
58
0.120
846P12 162.00
2289CS
175CT-2,3, thru ‘77; 175MX, ‘79-81; 175DT, ‘79-82;YT175K,L, ‘84
66 x 50
172 66
STD
471PS 128.00
2598CD Circlips CW-16 B1021
66.5
0.020
471P2 128.00
2618CD Wrist pin S-259
67
0.040
471P4 128.00
2638CD
68
0.080
2677CD
175YZ, IT ‘76-81
66 x 50
172 66
STD
2598CD Circlips CW-16 B1021
66.5
0.020
374P2 $128.00
2618CD Wrist pin S-259
67
0.040
374P4 128.00
2638CD
67.5
0.060
374P6 148.00
2658CD
68
0.080
2677CD
180 RT, ‘90-98
64.5 x 54 176 64.5
STD
772PS $128.00
2539CD Circlips CW-16 B1021
65
0.020
772P2 128.00
2559CD Wrist pin S-486
65.5
0.040
772P4 128.00
2579CD
66
0.060
2598CD
IT200N ‘84-86
66 x 57
195 66
STD
522PS $152.00
2598CD Circlips CW-16 B1005
66.5
0.020
2618CD Wrist pin S-259 12-1406
67
0.040
522P4 $152.00
2638CD
67.5
0.060
2658CD
68
0.080
522P8 $172.00
2677CD
WR200 ‘92-98
66.8 x 57 199 66.8
STD
818PS 152.00
2628CD Circlips CW-16
67
0.008
2638CD Wrist pin S-271
68.5
0.067
818P6 $172.00
2697CD
250YZ,C,D,E,F ‘76-79; 250 DT2,3,MX, Enduro; IT250, ‘78-80
70 x 64
246 70
STD
234PS 162.00
2756CD Circlips CW-18 B1003
Reed Cutaway
70.5
0.020
234P2 162.00
2776CD Wrist pin S-343
71
0.040
234P4 162.00
2795CD
71.5
0.060
2815CD
72
0.080
234P8 $182.00
2835CD
PISTONS