Yamaha RAPTOR YFM125RA Service Manual page 99

CHAIN DRIVE .............................................................................................4-58
REMOVING THE DRIVE CHAIN ..........................................................4-59
CHECKING THE DRIVE CHAIN ..........................................................4-59
CHECKING THE DRIVE SPROCKET ..................................................4-60
CHECKING THE REAR WHEEL SPROCKET .....................................4-60
CHECKING THE SPROCKET BRACKET ............................................4-60
INSTALLING THE DRIVE CHAIN .........................................................4-60