2002 WR400 Throttle slide plate - Looking for replacement

2 replies to this topic
  • Hoonigan

Posted April 27, 2015 - 05:32 PM


My friend had the throttle slide plate in his 02 WR400 crack and disintegrate sending bits into his engine and jamming one of his valves open.
I read this is a common problem and there used to be upgraded plates you could buy, the replacement part is $140 from Yamaha Japan and will take around 3 weeks.

Can someone tell me where I might be able to order a stronger throttle slide plate from? The carb has a red hot start knob which I thought meant it was one  with a revised plate.

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  • Krannie McKranface

Posted April 27, 2015 - 06:08 PM





jd jetting

yamaha watercraft (always cheaper)

  • Hoonigan

Posted April 27, 2015 - 10:52 PM


Found a place locally with all the bits in stock for a decent price too $160 for both slide and seal. Show'n'Go motorcycles on Brighton Road in SA.
Apparently they have a decent stock of Mikuni and Keihin carburetor parts.


Edited by Hoonigan, April 27, 2015 - 10:52 PM.


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