286 / 1258
ENGINE
286
body
accessories
handlebar
& grips
cables &
levers
electrical
& ignition
engine
fuel &
intake
clutch
brakes
drive
steering &
suspension
bearings
tires
tools &
shop
exhaust
NAMURA DIRT BIKE PISTON AND GASKET SETS
CONTINUED
MODEL
YEARS
PISTON
SIZE(MM) PISTON KIT RING KIT
TOP END
GASKET KIT
FULL SET
GASKET KIT
TOP END
REPAIR
KITS
CLUTCH
GASKET
TOP NEEDLE
BEARING
YAMAHA
CONTINUED
YZ125
86-88 N/A
-
-
180356
180355
N/A
-
N/A
1986-88
1986-88
YZ125
89
N/A
-
-
180357
180358
N/A
N/A
1989
1989-91
YZ125
90-91 N/A
-
-
180359
180360
N/A
N/A
1990-91
1992-93
YZ125
92-93 N/A
-
-
180361
180370
N/A
N/A
1992-93
1994-97
YZ125
94-96 N/A
-
-
180371
N/A
N/A
1994-97
YZ125
97-01 53.94
103PS 200RS
400TS
180349
180350
-
180692
COMPRESSION 8.9:1
53.95
180203 200RS
1998-01
180857
SIZE
(CERAMIC COMPOSITE CYL)
53.96
180204 200RS
180859
15X20X17.8
103PS CANNOT USE OEM RINGS AND
200RS RINGS CANNOT BE USEDWITH
OEM PISTONS
1998-00
180693
180858
180860
2001
1998-00
180614
SIZE
15X19X16.7
2001
YZ125
02-04 53.94
401PS 200RS
180373
180372
401KS
-
180614
COMPRESSION 10.8:1
53.95
180351 200RS
180352
SIZE
(CERAMIC COMPOSITE CYL)
53.96
180353 200RS
180354
15X19X16.7
401PS CANNOT USE OEM RINGS AND
200RS RINGS CANNOT BE USEDWITH
OEM PISTONS
YZ125
05-14 53.95
409PS 200RS
409TS
409F
409KS
-
180614
COMPRESSION 10.7:1
53.96
409PS-B 200RS
409KS-B
SIZE
(CERAMIC COMPOSITE CYL)
53.97
409PS-C 200RS
409KS-C
15X19X16.7
409PS CANNOT USE OEM RINGS AND
200RS RINGS CANNOT BE USEDWITH
OEM PISTONS
TT-R125
05-13
181569
181570
XT125X/R
05-08
TW200
87-11 67.00
-
-
181389
181391
-
-
XT225
93-07
-
-
-
181390
181392
-
-
-
TTR225
99-04
TTR230
05-12
TT-R250
99-06
-
-
-
181886
181887
-
-
-
YZ250
86-87
-
-
-
180394
180393
-
-
-
1986-87
1986-87
YZ250
88-89
-
-
-
180396
180395
-
-
-
1988-89
1988-89
YZ250
92-98 67.94
426PS 426RS
426TS
426F
180897
-
NB9503
WR250
92-98*
67.95
180391 426RS
1990-94
1990-94
180893
SIZE
COMPRESSION 10.6:1
67.96
180392 426RS
429TS
429F
180895
18X23X22
(CERAMIC COMPOSITE CYL)
1995-98
1995-98
1992-94
180898
180894
180896
1995-98
YZ250
99-16 66.35
425PS 125RS
425TS
425F
180694
-
NB9505
COMPRESSION 10.9:1
66.36
180389 125RS
1999-01
1999-00
180695
SIZE
(CERAMIC COMPOSITE CYL)
66.37
180390 125RS
180696
18X22X22
66.85
180386 125R2
431TS
431F
180697
67.35
180387 125R4
2002-14
2002-14
180698
67.85
180388 180207
180699
1999-01
180700
180701
180702
180703
180704
180705
2002-14