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ENGINE
271
2016 OFFROAD CATALOG
accessories
body
handlebar
& grips
cables &
levers
engine
fuel &
intake
electrical
& ignition
clutch
drive
bearings
brakes
steering &
suspension
tires
tools &
shop
exhaust
NAMURA DIRT BIKE PISTON AND GASKET SETS
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
BETA
RK6 ENDURO
97-02 39.46
700PS 181537
-
-
-
-
181264
(NIKASIL CYL)
39.47
700PS-B 181537
SIZE
39.48
181537
12X15X14.5
RR250 ENDURO 2T
13-14 66.34
751PS 750RS
180683
(NIKASIL CYL)
66.35
751PS-B 750RS
SIZE
66.36
751PS-C 750RS
18X22X19.8
BMW
G450X
07-10
-
-
-
181791
181792
-
-
-
CCM
MX450
08
94.96
180965
-
-
-
-
(NIKASIL CYL)
94.97
94.98
GAS GAS
MC125
02-10 53.94
100PS 100RS
181571
-
180692
FLAT TOP PISTON
53.95
180200 100RS
SIZE
8.8:1 STD COMPRESSION
53.96
180201 100RS
15X20X17.8
54.44
100P2
100R2
54.94
100P4
100R4
55.44
180198 180199
HALLEY 125
09
-
-
-
181571
-
-
-
EC125
00-11 53.94
103PS 200RS
181571
181573
-
180692
DOMED TOP PISTON
53.95
180203 200RS 2001-11 EC125 2001-11 EC125 181574
SIZE
8.6:1 STD COMPRESSION
53.96
180204 200RS 2013-15 EC125
RACING
2013-15 EC125
RACING
181575
15X20X17.8
EC250
97-14 66.34
751PS 750RS
181572
-
-
NB9505
66.35
751PS-B 750RS
-
SIZE
66.36
751PS-C 750RS
18X22X22
ENDURO 250
97-03
-
181572
-
-
-
ENDURO 300
97-03
EC200
97-13
EC250
97-13
EC300
97-13
EC250F 4T
10-15 76.94
181393 230RS
180398
180520
181396
-
N/R
76.95
181394
181397
76.96
181395
181398
(NIKASIL CYL)
13.5:1 COMPRESSION
EC300F 4T
13-15 83.00
-
-
181408
-
-
-
N/R
EC450 F
13-15 94.96
180899 40009RS
180965
-
181402
-
N/R
94.97
180900 40009RS
181403
94.98
180901 40009RS
181404
12.5:1 STD COMPRESSION
(NIKASIL CYL)
HONDA
Z50R
79-99 39.00
181214 181210
180447
180020
181218
-
N/R
XR50R
00-03 39.50
181215 181211
181219
CRF50F
04-16 40.00
181216 181212
181220
10.0:1 STD COMPRESSION
40.50
181217 181213
181221
*CANNOT USE OEM RINGS W/
THIS PISTON
XR70R
97-03 46.97
181793 181798
180448
180451
181803
-
N/R
CRF70F
04-12 47.47
181794 181799
181804
47.97
181795 181800
181805
48.47
181796 181801
181806
48.97
181797 181802
181807
XR80R
93-03
-
-
-
180449
180610
-
N/R
CRF80F
04-12