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ENGINE
287
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
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
YZ250F
01-04 77.00
-
-
180398
180397
-
-
N/R
WR250F
01-04
2001-13 YZ250F
2001-02 WR250F
180520
03-13 WR250F
YZ250F
05-13 76.94
181393 230RS
180398
180397
181396
-
N/R
WR250F
05-13 76.95
181394
2001-13 YZ250F 181397
76.96
181395
180520
181398
2003-13 WR250F
13.5:1 COMPRESSION
-
YZ250F
14-16
-
-
-
181888
181889
-
-
-
WR250F
15
2014 YZ250F
YZ250F/WR250F - BIG BORE
01-13 83.00
-
-
181408
-
-
-
N/R
BW 350T (BIG WHEEL)
87-88 83.00
40005PS 40005RS
-
-
-
-
N/R
40005P2 40005R2
40005P4 40005R4
40005P6 180170
YZ400F & WR400F
98-99
-
-
-
180400
180399
-
-
N/R
WR400F
00
-
-
-
180402
180401
-
-
N/R
2000
2000
YZ426F
00-02
-
-
-
180402
180401
-
-
N/R
2000-02
2000-02
WR426F
01-02
-
-
-
180402
180401
-
-
N/R
2001-02
2001-02
YZ450F
03-09 94.96
180899 40009RS 40009TS
180403
181399 181209
N/R
WR450F
03-14 94.97
180900 40009RS 2003-05 YZ450F
(MX)
2003-05 YZ
181400
94.98
180901 40009RS 2004-13 YFZ450
(ATV)
2003-06 WR 181401
180965
180905
2004-09
, 2013
YFZ450
12.5:1 COMPRESSION
2006-09 YZ
2006-09 YZ
181402
2007-14 WR 2007-14 WR 181403
181404
2006-09 YZ
2007-14
WR
YZ450F
10-13 96.95
180902 180906
180966
180907
181405
-
N/A
96.96
180903 180906
181406
96.97
180904 180906
181407
12.5:1 COMPRESSION
YZ450F
14-16
-
-
-
181890
181891
-
-
-
XTZ600
84-04 95.00
40007PS 40007RS 40007TS
40007F
40007KS
-
N/R
XT-600E
95.50
40007P2 40007R2
1984-96
1984-96
40007K2
TT600
96.00
40007P4 40007R4
180173
TT600R
1984-96
XTZ660 TENERE
91-98 99.97
40004PS 40004RS
-
-
-
-
N/R
100.47
40004P2 40004R2
100.97
40004P4 40004R4
101.47
180579 180167
NOTES:
1. UNLESS NOTED OTHERWISE, ALL NAMURA PISTONS ARE: MOLYBDENUM/TEFLON COATED AND HAVE A MACHINED SMOOTH, ANODIZED DOME.
2. PISTON KITS - COMES WITH PISTON, RINGS, PIN AND CLIPS
3. TOP END REPAIR KITS - COMES WITH PISTON (S), RINGS, TOP END GASKET KIT, PIN(S), CLIPS AND BEARINGS (IF NEEDED)