ENGINE
368
body
accessories
handlebar
& grips
cables &
levers
electrical
& ignition
engine
fuel &
intake
clutch
brakes
drive
steering &
suspension
bearings
tires
tools &
shop
exhaust
CYLINDER
WORKS
DIRT BIKE CYLINDER KITS
continued
MODEL
YEAR
PRODUCT
APPLICATION
COMPRES-
SION RATIO CYL. DIA.
SIZEOVER-
STANDARD
DISPLACE-
MENT
PART #
YAMAHA
CONTINUED
YZ 450F 03-05 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
YZ 450F 03-05 Big Bore Gasket Kit 468cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880089 85.95
G
YZ 450F 03-05 Big Bore Gasket Kit 478cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880079 85.95
G
YZ 450F 03-05 Big Bore Gasket Kit 478cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880154 85.95
G
YZ 450F 03-05 Cylinder Standard Bore 95mm
12.0:1
95
0
449
880159 249.95
G
YZ 450F 03-05 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
YZ 450F 03-05 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
YZ 450F 03-05 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880076 85.95
G
YZ 450F 06-09 Big Bore Cylinder Kit (+3mm Big Bore Kit) 478cc When using Hot Rods #4174 makes
500cc. Uses Vertex #23404. Includes (Cylinder, Piston, Rings,
Pin, Clips, Gaskets)
12.5:1
98
3.00
478
880086 649.95
G
YZ 450F 06-09 Big Bore Gasket Kit 478cc Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880085 85.95
G
YZ 450F 06-09 Cylinder Standard Bore 95mm
12.5:1
95
0
449
880199 269.95
G
YZ 450F 06-09 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
YZ 450F 06-09 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
YZ 450F 06-09 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880082 85.95
G
YZ 450F 10-13 Big Bore Cylinder Kit (+2mm Big Bore Kit) makes 468cc 12.5:1 comp. Uses Vertex#
23655. Includes (Cylinder, Piston, Rings, Pin, Clips, Gaskets)
12.5:1
99
2.0
468
880094 649.95
G
YZ 450F 10-13 Big Bore Gasket Kit Big Bore Top End Gasket Kit Includes (Head, Base, Exhaust, &
Cam Chain Tensioner Gaskets)
0
0
880093 85.95
G
YZ 450F 10-13 Standard Bore HC
Cylinder Kit
Standard Bore Hi-comp kit. 13.5:1 comp, 97mm Includes: cylin-
der, piston, rings, top-gaskets. Uses Vertex #23563
13.5:1
97
0.00
449
880092 579.95
G
YZ 450F 10-13 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.5:1 comp, 97mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #23562
12.5:1
97
0.00
449
880091 559.95
G
YZ 450F 10-13 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880090 85.95
G
YZ 450F 10-15 Cylinder Standard Bore 97mm
12.5:1
97
0
449
880200 289.95
G
YZ 450F 14-15 Big Bore Cylinder Kit (+2mm Big Bore Kit) makes 468cc 12.5:1 comp. Uses Vertex#
23655. Includes (Cylinder, Piston, Rings, Pin, Clips, Gaskets)
12.5:1
99
2.00
468
880266 649.95
G
YZ 450F 14-15 Big Bore Gasket Kit +2mm Big Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880267 85.95
G
YZ 450F 14-15 Standard Bore HC
Cylinder Kit
Standard Bore Hi-comp kit. 13.5:1 comp, 97mm Includes: cylin-
der, piston, rings, top-gaskets. Uses Vertex #23563
13.5:1
97
0.00
449
880268 579.95
G
YZ 450F 14-15 Standard Bore Cylin-
der Kit
Standard Bore kit. 12.5:1 comp, 97mm Includes: cylinder, piston,
rings, top-gaskets. Uses Vertex #23562
12.5:1
97
0.00
449
880269 559.95
G
YZ 450F 14-15 Standard Bore Gasket
Kit
Standard Bore Top End Gasket Kit Includes (Head, Base,
Exhaust, & Cam Chain Tensioner Gaskets)
0
0
880270 85.95
G
YZ 250
03-15 Cylinder Standard Bore 66.4mm
8.9~10.6:1 66.4
0
249
880271 399.95
G
YZ 250
03-15 Standard Bore Cylin-
der Kit
Standard Bore Cylinder Kit. 8.9~10.6:1 comp. 66.4mm. Includes:
Cylinder, Piston, Clips, Rings, Pin, and Top-End Gaskets. Uses
Vertex# 22584.
8.9~10.6:1 66.4
249
880272 569.95
G
YZ 250
03-15 Standard Bore Gasket
Kit
Standard Bore Top-End Gasket Kit. Includes: Head, Base, Intake
Reed, and Power Valve Gaskets.
0
0
880273 69.95
G
YZ 85
02-14 Big Bore Cylinder Kit (+5mm Big Bore Kit) makes 103.5cc. Std compression. Uses
Vertex #23628. *Must modify cylinder head
8.2:1
52.5
5.00
103.5
880096 649.95
G
YZ 85
02-14 Big Bore Cylinder Kit (+5mm Big Bore Kit) makes 107.8cc. Std compression. Uses
Vertex #23628. *Must modify cylinder head and use +2mm
stroker crank
8.2:1
52.5
5.00
107.8
880098 649.95
G
YZ 85
02-14 Big Bore Gasket Kit Big Bore Top End Gasket Kit Includes (Head, Base, Exhaust,
Gaskets)
0
0
880095 85.95
G
YZ 85
02-14 Big Bore Gasket Kit Big Bore Top End Gasket Kit Includes (Head, Base, Exhaust,
Gaskets)
0
0
880097 85.95
G
