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81 Yamaha XS 400 Special discussion forum:1981 YAMAHA XS 400 Special |
| 1981 YAMAHA XS 400 Special |
| jmstewar said 2002-10-08 20:16 |
| I´ve just purchased a 1981 YAMAHA 400 XS Special. I noticed that the label under the seat specifies 90 octane Reg.(leaded) fuel. Are there conversions available to run unleaded fuel? Is this necessary on this bike? I know lead additive is available at Automotive supply centers. The prior owner didn´t give instruction/recommendation on the fuel type I should use. The bike seems to run fine, but who knows what it´s doing to the valves/heads...ect. |
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