Yoshimura RS4 full or slip-on?

I have an 11' YZ450F and wondering if the slip on is sufficient or should I really get the full. I do t race just ride for fun but may consider the over 30 races in the future.

Neither...get your suspension valved!

Neither...get your suspension valved!

This man speaks the truth. Get the suspension and handling dialed before you do anything.

Dollar for dollar there is NO better mod you can do. I could t believe how well my 08 handled after having TBT do a revalve. Bike goes wherever I want it to now.

Agreed. Revalving will make a huge difference. And at the end the last step will be to find the setting that suits your style and level.

In terms of power the Yamaha Power Tuner. Can help with some stuff.

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