Boano Racing Power Valve Kit

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  • Regular price $59.95

Compatible with all MY RR 250/300 and XTrainer.
This accessory allows you to adjust the spring preload of the power valve of the 250cc and 300cc 2T engines without the use of tools.

The kit allows you to modify the power curve provided by the engine, allowing you to adjust it according to your feeling and the conditions that the terrain requires.