759 / 1410
EXHAUST
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ACCESSORIES
SNOWBIKE
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AIR FILTERS
OIL FILTERS
ELECTRICAL
SPARKPLUGS
BATTERIES
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SUSPENSION
DRIVE
CHAIN
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CHEMICALS
GASCANS
TOOLS
LOCKS
RAMPS /STRAPS
TRAILERS
PROMOTIONAL
REFERENCE
INDEX
x
X
X
X
X
759
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
...)
YZ80
‘93-02
46.95mm
185-4080 88.95 185-1080R
6.95
Compression 8.2:1
46.96mm
185-4080B 88.95 185-1080R
6.95
(Ceramic Composite Cyl.)
46.97mm
185-4080C 88.95 185-1080R
6.95
*Uses 185-1080R rings
47.44mm
185-40802 88.95 185-10802R
6.95
48.00mm
185-40804 88.95 185-10804R
6.95
48.50mm
185-40806 88.95 185-10806R
6.95
YZ85
‘02-16
47.44mm
185-4085 89.95 185-10802R
6.95
Compression 8.2:1
47.45mm
185-4085B 89.95 185-10802R
6.95
(Ceramic Composite Cyl.)
47.46mm
185-4085C 89.95 185-10802R
6.95
*Uses 185-10802R Rings
48.00mm
185-40852 89.95 185-10804R
6.95
48.50mm
185-40854 89.95 185-10806R
6.95
YZ125
‘98-00
53.94mm
185-4000 93.95 185-2000R
8.95
Compression 8.9:1
53.95mm
185-4000B 93.95 185-2000R
8.95
(Ceramic Composite Cyl.)
53.96mm
185-4000C 93.95 185-2000R
8.95
YZ125
‘01
53.94mm
185-40001 91.95 185-2000R
8.95
Compression 8.9:1
53.95mm
185-40001B 91.95 185-2000R
8.95
(Ceramic Composite Cyl.)
53.96mm
185-40001C 91.95 185-2000R
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 $118.95 185-4026R $18.95
WR250
‘92-94
67.95mm
185-4026B 118.95 185-4026R 18.95
Compression 10.6:1
67.96mm
185-4026C 118.95 185-4026R 18.95
(Ceramic Composite Cyl.)
YZ250
‘95-98
67.94mm
185-4026A $118.95 185-4026R $18.95
WR250
‘95-98
67.95mm
185-4026BA 118.95 185-4026R 18.95
Compression 10.6:1
67.96mm
185-4026CA 118.95 185-4026R 18.95
(Ceramic Composite Cyl.)
YZ250
‘99-01
66.35mm
185-4025 $112.95 185-1025R $13.95
Compression 10.9:1
66.36mm
185-4025B 112.95 185-1025R 13.95
(Ceramic Composite Cyl.)
66.37mm
185-4025C 112.95 185-1025R 13.95
*Uses 185-1025R ring series
66.85mm
185-40252 112.95 185-10252R 13.95
67.35mm
185-40254 112.95 185-10254R 13.95
67.85mm
185-40256 112.95 185-10256R 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
‘07-15
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 229.95 185-4046R 29.95
HYPERDRYVE PISTON
96.97mm
185-4046B 229.95 185-4046R 29.95
96.98mm
185-4046C 229.95 185-4046R 29.95
XT600, SRX600, TENERE 600
‘84-96
95.00mm
186-4007 179.95 186-4007R 24.95
95.50mm
186-
40072 179.95 186-
40072R 24.95
96.00mm
186-
40074 179.95 186-
40074R 24.95
PISTONS