2003-2005 |
Make |
Part# |
Engine (Displacement) |
Bore |
Size |
Stroke |
CR |
Notes |
Yamaha |
|
YFZ450F (439cc) |
95.0mm |
STD |
62.0mm |
12.5:1 |
Deglaze Cylinder(s) |
Yamaha |
|
YFZ450F (439cc) |
95.0mm |
STD |
62.0mm |
13.0:1 |
Deglaze Cylinder(s) |
Yamaha |
|
YFZ450F (439cc) |
95.0mm |
STD |
62.0mm |
13.5:1 |
Deglaze Cylinder(s) |
Yamaha |
|
YFZ450F (449cc) |
96.0mm |
+1.0mm |
62.0mm |
13.0:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (449cc) |
96.0mm |
+1.0mm |
62.0mm |
13.5:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (458cc) |
97.0mm |
+2.0mm |
62.0mm |
12.5:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (458cc) |
97.0mm |
+2.0mm |
62.0mm |
13.0:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (458cc) |
97.0mm |
+2.0mm |
62.0mm |
13.5:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (468cc) |
98.0mm |
+3.0mm |
62.0mm |
12.5:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (439cc) |
95.0mm |
STD |
62.0mm |
13.25:1 |
Full Race Piston, Deglaze Cylinder(s) |
2006-2008 |
Make |
Part# |
Engine (Displacement) |
Bore |
Size |
Stroke |
CR |
Notes |
Yamaha |
|
YFZ450F (449cc) |
95.0mm |
STD |
63.4mm |
12.75:1 |
Deglaze Cylinder(s) |
Yamaha |
|
YFZ450F (449cc) |
95.0mm |
STD |
63.4mm |
13.25:1 |
Deglaze Cylinder(s) |
Yamaha |
|
YFZ450F (449cc) |
95.0mm |
STD |
63.4mm |
13.75:1 |
Deglaze Cylinder(s) |
Yamaha |
|
YFZ450F (459cc) |
96.0mm |
+1.0mm |
63.4mm |
13.251 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (459cc) |
96.0mm |
+1.0mm |
63.4mm |
13.75:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (468cc) |
97.0mm |
+2.0mm |
63.4mm |
12.75:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (468cc) |
97.0mm |
+2.0mm |
63.4mm |
13.25:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (468cc) |
97.0mm |
+2.0mm |
63.4mm |
13.75:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (478cc) |
98.0mm |
+3.0mm |
63.4mm |
12.75:1 |
Bore and Replate Cylinder(s) |
Yamaha |
|
YFZ450F (449cc) |
95.0mm |
STD |
63.4mm |
13.5:1 |
Full Race Piston, Deglaze Cylinder(s) |