Yamaha YZ250N Owner's Service Manual page 308

YPVS GOVERNOR
EC4K3000
REMOVAL POINTS
EC4K3100
Governor
1. Remove:
9Dowel pin 1
NOTE:
While compressing the spring, remove the dowel
pin.
EC4K4000
INSPECTION
EC4K4100
Governor groove
1. Inspect:
9Plain washer 1
9Collar 2
Wear/Damage
EC4K4200
Bearing
1. Inspect:
9Thrust bearing 1
9Plain washer 2
Wear/Damage
EC4K5000
ASSEMBLY AND INSTALLATION
EC4K5130
Governor
1. Install:
9Governor gear 1
9Compression spring 2
9Plate 3
9Plain washer 4
9Thrust bearing 5
9Collar 6
9Retainer weight 7
To governor shaft 8.
NOTE:
Apply the lithium soap base grease on the thrust
bearing.
4-49
ENG
Replace.
Replace.