2009 YAMAHA WR 450F change wheel

[x] Cancel search: change wheel

Page 94 of 226

YAMAHA WR 450F 2009  Owners Manual 4-5
CHASSIS
CHASSIS
SELECTION OF THE SECONDARY 
REDUCTION RATIO (SPROCKET)
<Requirement for selection of sec-
ondary gear reduction ratio>
• It is generally said that the second-
ary gear ratio shou

Page 96 of 226

YAMAHA WR 450F 2009  Owners Manual 4-7
CHASSIS
CHOOSING SET LENGTH
1. Place a stand or block under the 
engine to put the rear wheel 
above the floor, and measure the 
length "a" between the rear wheel 
axle center and the rear fender