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| 1974 Yamaha OW13 |
| Sand cast magnesium inner and outer cases..titanium hardware including the kickstarter. |
| Sand cast magnesium upper triple clamp. The lower clamp is billet aluminum |
| The front and rear hubs are both sand cast magnesium. A little over a pound lighter than stock. |
| Front forks are works Kayaba. Lower legs are machined out of billet aluminum |
| Aluminum bodied rear shock |
| Yamaha took great care to save weight where ever possible. A true "works" bike... |