1984 - 1985
YAMAHA YZ 490
Shock spring 4.4 kg/mm
| RACE TECH
Fits to:
YAMAHA YZ 490 [1984 - 1985]
Specifications
| Manufacturer | RACE TECH |
|---|---|
Product description
Accurate to within 0.05 kg/mm Made of the finest chrome silicon wire Shot-peened, heat-treated and preset (no sacking) Outstanding stiffness-to-mass ratio