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PROMOTIONAL
REFERENCE
INDEX
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...)
PW80Thru ‘06; BW80Thru ‘06
47 x 45.6 72 47
STD
649PS 108.00
1850CD Circlips CW-12 B1042
47.5
0.020
649P2 108.00
1869CD Wrist pin S-538
48
0.040
649P4 108.00
1890CD
48.5
0.060
649P6 118.00
1909CD
49
0.080
649P8 118.00
1929CD
YZ80, ‘74-75; MX80, ‘80-82;TY80, ‘74-75; GT1, ‘73-75
47 x 42
72 47
STD
222PS 108.00
1850CS Circlips CW-12 B1042
47.5
0.020
1869CS Wrist pin S-538
48
0.040
222P4 $108.00
1890CS
48.5
0.060
1909CS
YZ80, ‘76-80
49 x 42
79 49
STD
1929CD Circlips CW-12 B1042
49.5
0.020
1949CD Wrist pin S-538
50
0.040
457P4 $108.00
1969CD
50.5
0.060
1988CD
51
0.080
457P8 $118.00
2008CD
YZ80H, ‘81
49 x 42
79 49
STD
1929CD Circlips CW-12 B1043
49.5
0.020
1949CD Wrist pin S-538
50
0.040
1969CD
50.5
0.060
1988CD
51
0.080
465P8 $118.00
2008CD
YZ80J, K, ‘82-83
47 x 45.6 79 47
STD
1850CD Circlips CW-12 B1043
Reed Induction
47.5
0.020
1869CD Wrist pin S-538
48
0.040
477P4 $108.00
1890CD
48.5
0.060
477P6
118.00
1909CD
49
0.080
477P8 118.00
1929CD
YZ80, ‘84
48 x 45.6 82 48
STD
1890CS Circlips CW-12 B1015
48.5
0.020
1909CS Wrist pin S-538
49
0.040
1929CS
50
0.080
508P8 $118.00
1969CS
YZ80, ‘85-87
48 x 45.6 82 48
STD
520PS 108.00
1890CS Circlips CW-12 B1015
48.5
0.020
520P2 108.00
1909CS Wrist pin S-538
49
0.040
520P4 108.00
1929CS
49.5
0.060
520P6 118.00
1949CS
50
0.080
520P8 118.00
1969CS
YZ80, ‘88-92
48 x 45.6 82 48
STD
569PS 108.00
1890CS Circlips CW-12 B1015
48.5
0.020
569P2 108.00
1909CS Wrist pin S-538
49
0.040
569P4 108.00
1929CS
49.5
0.060
569P6 118.00
1949CS
50
0.080
569P8 118.00
1969CS
YZ80, ‘93-01 PRO-LITE
47 x 45.6 82 47
STD
646PS 108.00
1850CS Circlips CW-14 B1012
Ceramic Composite
47.5
0.020
646P2 108.00
1869CS Wrist pin S-517
Cylinder sleeving required for oversizes
48
0.040
646P4 108.00
1890CS
48.5
0.060
1909CS
49
0.080
646P8 $118.00
1929CS
YZ85, ‘02-16 PRO-LITE
47 x 47.8 85 47.5
STD
805PS
98.00
1869CS Circlips CW-14 B1012
48
0.020
805P2
98.00
1890CS Wrist pin S-517
48.5
0.040
805P4
98.00
1909CS
Ceramic Composite, Cylinder sleeving required for oversizes
49.5
0.080
805P8 108.00
1949CS
YZ80, 93-01,YZ85, ‘02-16
52.5 x 47.8 103.5 52.5
767PS 138.00
2067CS Circlips CW-14
Supermini 104cc, Single ring
Wrist pin S-288
Ceramic Composite, Cylinder sleeving required for oversizes
RT100, ‘90-01
52 x 45.6 97 52
STD
771PS $102.00
2047CD Circlips CW-14 B1012
771P2 102.00
2067CD Wrist pin S-288
771P4 102.00
2087CD
100LT-2,3,MX,DT
52 x 45.6
52
STD
235PS 112.00
2047CD Circlips CW-14 B1012
Reed Induction
52.5
0.020
2067CD Wrist pin S-288
53
0.040
235P4 $112.00
2087CD
53.5
0.060
2106CD
54
0.080
2126CD
125 AT-2,3; MX, IT, DT2 ‘80-86
56 x 50
123 56
STD
236PS $128.00
2205CD Circlips CW-16 B1016
56.5
0.020
236P2 128.00
2224CD Wrist pin S-270 12-1402
57
0.040
236P4 128.00
2244CD
57.5
0.060
2264CD
58
0.080
2284CD
YZ125 C,D,E,F,G,H,J ‘76-82
56 x 50
123 56
STD
435PS $128.00
2205CS Circlips CW-16 B1016
56.5
0.020
2224CS Wrist pin S-270 12-1402
57
0.040
435P4 $128.00
2244CS
58
0.080
435P8 148.00
2284CS
PISTONS