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337MIKE

Yz450rf

6 posts in this topic

Does anyone know anything about upgrading a front brake on a yz450rf? Already put fresh oil in and replaced brake line with stainless one, & still don't work good.

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when you say dosent work good... is it spongey? what pads are you running?

and do u mean a 450F? btw

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Does anyone know anything about upgrading a front brake on a yz450rf? Already put fresh oil in and replaced brake line with stainless one, & still don't work good.

"Fresh oil??"

did you put oil or DOT4 brake fluid?

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when you say dosent work good... is it spongey? what pads are you running?

and do u mean a 450F? btw

maybe he thinks the r will make it go faster??:thumbsup:

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Or, it might actually be a YZ450F-R, which would be an '03 YZ450F. Ever think of that?

So what do you have to offer on brake upgrades?

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They (Yamaha) sell a Master Cylinder rebuild kit, and I had to put one in an 05' 250f because there was NO brakes at all. This might be something to look at, and if oil is mixed with the DOT 4 it need a complete flush too.

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