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adding a leakjet to a 03 YZF450

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A stock 03 YZ450F FCR floatbowl has no leakjet. I am considering adding one for better squirt duration tuning. I have been told a YZ250F floatbowl has one installed - anyone added on of these to their YZF450 or to a 03 FCR non leakjeted floatbowl?

Any results positive or negative?

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ive used the newer float bowls.

Eddie what year float bowl with a leakjet will fit a 03 YZF450 FCR? 04/05 450f or 250F

what did you find result wise after adding the leakjet to a none FCR leak jetted bike?

Where can I buy a floatbowl? Sudco?

Or can I just add a leakjet to me non LJ fitted float?

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you can drill and tap it for the leak jet or just use a 05 450 bowl or the like.

result shearly depends on the running issue your working with.

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I checked a few Yamaha parts web sites and I don't see the card float bowl listed as a separate part number. Is the float bowl available from Yamaha?

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You have so many options but the simplest and easyest to adjust is the BK Mod. Just slide an 8mm box wrench inside you boot and adjust on the trailside until your happy

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