Yamaha 2004 WR250FS Owner's Service Manual page 335

SETTING
È Air spring characteristics in relation to oil level
change
É Load
Ê Stroke
1 Max. oil level
2 Standard oil level
3 Min. oil level
EC727020
Spring preload adjustment
The spring preload is adjusted by installing the
adjustment washer 1 between the fork spring
2 and damper rod 3.
CAUTION:
Do not install three or more adjustment
washers for each front fork.
WARNING
Always adjust each front fork to the same
setting. Uneven adjustment can cause poor
handling and loss of stability.
Standard washer quantity:
Zero adjustment washers
Extent of adjustment:
Zero ~ 2 adjustment washers
È Load
É Fork stroke
1 Without adjustment washer (standard)
2 1 adjustment washer
3 2 adjustment washers
7 - 14
T U N