717 / 1355
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
717
TOP END KITS
Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit
Application
Year
Piston Size
Top End
Repair Kits
List
Ring Kit
List
YAMAHA
(
cont
’
d
...)
YZ125
‘01
53.94mm
185-40001
94.95 185-2000R
8.95
Compression 8.9:1
53.95mm
185-40001B 94.95 185-2000R
8.95
(Ceramic Composite Cyl.)
53.96mm
185-40001C 94.95 185-2000R
8.95
YZ125
‘02-04
53.94mm
185-4001A 101.95 185-2000R
8.95
Compression 10.8:1
53.95mm
185-4001B 101.95 185-2000R
8.95
(Ceramic Composite Cyl.)
53.96mm
185-4001C 101.95 185-2000R
8.95
185-4001 Cannot use OEM Rings and 185-2000R Rings cannot be used with OEM Pistons
YZ125
‘05-14
53.95mm
185-4009
$94.95 185-2000R
$8.95
Compression 10.7:1
53.96mm
185-4009B 94.95 185-2000R
8.95
(Ceramic Composite Cyl.)
53.97mm
185-4009C 94.95 185-2000R
8.95
185-4009 Cannot use OEM rings and 185-2000R rings cannot be used with OEM pistons
YZ250
‘92-94
67.94mm
185-4026 $121.95 185-4026R
$18.95
WR250
‘92-94
67.95mm
185-4026B 121.95 185-4026R
18.95
Compression 10.6:1
67.96mm
185-4026C 121.95 185-4026R
18.95
(Ceramic Composite Cyl.)
YZ250
‘95-98
67.94mm
185-4026A $117.95 185-4026R
$18.95
WR250
‘95-98
67.95mm
185-4026BA 117.95 185-4026R
18.95
Compression 10.6:1
67.96mm
185-4026CA 117.95 185-4026R
18.95
(Ceramic Composite Cyl.)
YZ250
‘99-01
66.35mm
185-4025 $111.95 185-1025R
$13.95
Compression 10.9:1
66.36mm
185-4025B 111.95 185-1025R
13.95
(Ceramic Composite Cyl.)
66.37mm
185-4025C 111.95 185-1025R
13.95
*Uses 185-1025R ring series
66.85mm
185-40252 111.95 185-10252R
13.95
67.35mm
185-40254 111.95 185-10254R
13.95
67.85mm
185-40256 111.95 185-10256R
13.95
YZ250
‘02-14
66.35mm
185-4025A 119.95 185-1025R
13.95
Compression 10.9:1
66.36mm
185-4025BA 119.95 185-1025R
13.95
(Ceramic Composite Cyl.)
66.37mm
185-4025CA 119.95 185-1025R
13.95
66.85mm
185-40252A 119.95 185-10252R
13.95
67.35mm
185-40254A 119.95 185-10254R
13.95
67.85mm
185-40256A 119.95 185-10256R
13.95
YZ250F
‘05-13
76.94mm
185-4033
209.95 185-2030R
14.95
WR250F
‘05-13
76.95mm
185-4033B 209.95 185-2030R
14.95
13.5:1 COMPRESSION
76.96mm
185-4033C 209.95 185-2030R
14.95
YZ 450F
‘03-05
94.96mm
185-4045
225.95 186-4009R
24.95
WR 450F
‘03-06
94.97mm
185-4045B 225.95 186-4009R
24.95
HYPERDRYVE PISTON
94.98mm
185-4045C 225.95 186-4009R
24.95
YZ 450F
‘06-09
94.96mm
185-40452 214.95 186-4009R
24.95
WR 450F
‘07-14
94.97mm
185-4045B2 214.95 186-4009R
24.95
HYPERDRYVE PISTON
94.98mm
185-4045C2 214.95 186-4009R
24.95
YZ 450F
‘10-13
96.95mm
185-4046
231.95 185-4046R
29.95
HYPERDRYVE PISTON
96.97mm
185-4046B 231.95 185-4046R
29.95
96.98mm
185-4046C 231.95 185-4046R
29.95
XT600, SRX600,TENERE 600
‘84-96
95.00mm
186-4007
180.95 186-4007R
24.95
95.50mm
186-40072 180.95 186-40072R
24.95
96.00mm
186-40074 180.95 186-40074R
24.95
PISTONS