Cam Question

2 replies to this topic
  • gearhead2060

Posted February 06, 2006 - 08:05 PM


I have a 99 YZ400. I have herd some of you talk about the 450 cam swap. Will both cams intake and exhaust work or just one of them. And is this a more aggressive cam than the hot cams. And what do you plug the decompression lever hole with. Anyone with more information I would greatly appreciate it.

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  • cowboyona426

Posted February 06, 2006 - 08:17 PM


Gearhead, all you need is the 03 YZ 450F exhaust cam- it's cheaper than a Hotcam and works just fine, it gives the bike a super broad power band and smooths the hit just a little bit. To plug the hole there is an aluminum plug available (or at least there was) and I just happen to have an extra one if you get around to doing the mod. Don't use the stock Yamaha plug, it's pretty cheesy and prone to blow out.

  • 642MX

Posted February 06, 2006 - 09:48 PM


At the top of this forum you will find many pages of info on the mod.

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