ENGINE
367
2015 OFFROAD CATALOG
accessories
body
handlebar
& grips
cables &
levers
engine
fuel &
intake
electrical
& ignition
clutch
drive
bearings
brakes
steering &
suspension
tires
tools &
shop
exhaust
MODEL
YEAR
PRODUCT
APPLICATION
COMPRES-
SION RATIO CYL. DIA.
SIZEOVER-
STANDARD
DISPLACE-
MENT
PART #
YAMAHA
CONTINUED
WR 250F 01-04 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.7:1 comp, 77mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #22805
12.7:1
77
0.00
249
880070 559.95
G
WR 250F 01-13 Big Bore Cylinder Kit (+3mm Big Bore Kit) 269cc. Uses Vertex #23129 Includes (Cylin-
der, Piston, Rings, Pin, Clips, Gaskets)
12.5:1
80
3.00
269
880072 649.95
G
WR 250F 01-13 Big Bore Gasket Kit 269cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880071 85.95
G
WR 250F 01-13 Cylinder Standard Bore 77mm
12.7:1
77
0
249
880198 269.95
G
WR 250F 01-13 Standard Bore HC
Cylinder Kit
Standard Bore Hi-comp kit. 13.5:1 comp, 77mm Includes: cylin-
der, piston, rings, top-gaskets. Uses Vertex #22889
13.5:1
77
0.00
249
880074 579.95
G
WR 250F 01-13 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880073 85.95
G
WR 250F 05-13 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.5:1 comp, 77mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #23127
12.5:1
77
0.00
249
880075 559.95
G
WR 450F 03-06 Big Bore Cylinder Kit (+3mm Big Bore Kit) makes 478cc. Std compression. Uses Vertex
#23404. Includes (Cylinder, Piston, Rings, Pin, Clips, Gaskets)
12.5:1
98
3.00
478
880156 649.95
G
WR 450F 03-06 Big Bore Gasket Kit 468cc Top End Gasket kit. Includes: Head, Base, Ehxaust & Cam
Chain Tensioner Gaskets
0
0
880089 85.95
G
WR 450F 03-06 Big Bore Gasket Kit 478cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880079 85.95
G
WR 450F 03-06 Big Bore Gasket Kit 478cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880154 85.95
G
WR 450F 03-06 Cylinder Standard Bore 95mm
12.0:1
95
0
449
880159 249.95
G
WR 450F 03-06 Standard Bore HC
Cylinder Kit
Standard Bore Hi-comp kit. 13.5:1 comp, 95mm Includes: cylin-
der, piston, rings, top-gaskets. Uses Vertex #22896
13.5:1
95
0.00
449
880078 579.95
G
WR 450F 03-06 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.5:1 comp, 95mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #22915
12.5:1
95
0.00
449
880077 559.95
G
WR 450F 03-06 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880076 85.95
G
WR 450F 07-14 Big Bore Cylinder Kit (+3mm Big Bore Kit) 478cc. Uses Vertex #23404 Includes (Cylin-
der, Piston, Rings, Pin, Clips, Gaskets)
12.5:1
98
3.00
478
880086 649.95
G
WR 450F 07-14 Big Bore Gasket Kit 478cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880085 85.95
G
WR 450F 07-14 Cylinder Standard Bore 95mm
12.5:1
95
0
449
880199 269.95
G
WR 450F 07-14 Standard Bore HC
Cylinder Kit
Standard Bore Hi-comp kit. 13.5:1 comp, 95mm Includes: cylin-
der, piston, rings, top-gaskets. Uses Vertex #22896
13.5:1
95
0.00
449
880084 579.95
G
WR 450F 07-14 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.5:1 comp, 95mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #22915
12.5:1
95
0.00
449
880083 559.95
G
WR 450F 07-14 Standard Bore Gasket
Kit
Standard Bore Top End Gasket kit (Head, Base, Exhaust, & Cam
Chain Tensioner Gaskets)
0
0
880082 85.95
G
YZ 250F 01-04 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.7:1 comp, 77mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #22805
12.7:1
77
0.00
249
880070 559.95
G
YZ 250F 01-07 Standard Bore HC
Cylinder Kit
Standard Bore Hi-comp kit. 13.5:1 comp, 77mm Includes: cylin-
der, piston, rings, top-gaskets. Uses Vertex #22889
13.5:1
77
0.00
249
880074 579.95
G
YZ 250F 01-13 Big Bore Cylinder Kit (+3mm Big Bore Kit) 269cc When using Hot Rods #4149 makes
285cc. Uses Vertex #23129 Includes (Cylinder, Piston, Rings,
Pin, Clips, Gaskets)
12.5:1
80
3.00
269
880072 649.95
G
YZ 250F 01-13 Big Bore Gasket Kit 269cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880071 85.95
G
YZ 250F 01-13 Cylinder Standard Bore 77mm
12.7:1
77
0
249
880198 269.95
G
YZ 250F 01-13 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880073 85.95
G
YZ 250F 05-07 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.5:1 comp, 77mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #23127
12.5:1
77
0.00
249
880075 559.95
G
YZ 250F 08-13 Standard Bore HC
Cylinder Kit
Standard Bore Hi-comp kit. 13.9:1 comp, 77mm Includes: cylin-
der, piston, rings, top-gaskets. Uses Vertex #23394
13.9:1
77
0.00
249
880088 579.95
G
YZ 250F 08-13 Standard Bore Cylin-
der Kit
Standard Bore kit. 13.5:1 comp, 77mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #23391
13.5:1
77
0.00
249
880087 559.95
G
YZ 250F 14-15 Big Bore Cylinder Kit (+3mm Big Bore Kit) 269cc. 13.5:1 comp. Includes: cylinder,
piston, pin, rings, clips, top-end gaskets. Uses Vertex # 23943.
13.5:1
80
3.00
269
880260 649.95
G
YZ 250F 14-15 Big Bore Gasket Kit +3mm Big Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880261 85.95
G
YZ 250F 14-15 Cylinder Standard Bore 77mm
13.5:1
77
0
249
880262 269.55
G
YZ 250F 14-15 Standard Bore HC
Cylinder Kit
Standard Bore Hi-Comp Kit. 14.2:1 comp. 77mm. Includes: cylin-
der, piston, rings, and top-end gaskets. Uses Vertex# 23942.
14.2:1
77
249
880263 579.95
G
YZ 250F 14-15 Standard Bore Cylin-
der Kit
Standard Bore Kit. 13.5:1 comp. 77mm. Includes: cylinder, piston,
rings, and top-end gaskets. Uses Vertex# 23941.
13.5:1
77
249
880264 559.95
G
YZ 250F 14-15 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880265 85.95
G
CYLINDER
WORKS
DIRT BIKE CYLINDER KITS
continued
