Yz 400f next step

3 replies to this topic
  • jordyz400

Posted August 27, 2016 - 10:14 AM


Hi guys I know the bike is a lot older then most but I love it and have done a ton to the bike over the last few years . Now I feel like it's time for the next step the mod list is as follows stage 2 hot cams hi compression piston / gaskets and a stroker crank I am just wondering if the motor would except at 426 jug and piston and a newer 450 carb any help would be awesome IMG_1472321665.057385.jpg

  • Krannie McKranface

Posted August 27, 2016 - 10:18 AM


FCR/MX carb with the 2008 upgrades is all you need.

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • jordyz400

Posted August 27, 2016 - 10:30 AM


What do you mean 08 upgrades ?

  • Krannie McKranface

Posted August 27, 2016 - 11:11 AM


What do you mean 08 upgrades ?


Last upgrade to the carb was for Hondas, by Keihin.


You can get that year carb, or, retro fit the upgrades.




Related Content

WR Camshaft Swap Info - last post by jamesm113

WR Camshaft Swap Info

  • 0 replies

Michigan Motocross Tires by 288yz450

Dirt Bike   Dirt Bike Regional Discussion   North
  • 1 reply

2016 YZ450 by CaptainKnobby

Dirt Bike   Dirt Bike Technical Forums   Suspension
  • Hot  59 replies

Chubby dad, looking at bikes , First trip to the orange/black forum ! by Slow_ride

Dirt Bike   Make / Model Specific   KTM   250-530 EXC/MXC/SXC/XC-W/XCR-W (4-Strokes)
  • Hot  28 replies

YZ450F 03 Sparks driving me crazy by SirAttard

Dirt Bike   Make / Model Specific   Yamaha   YZ 400/426/450
  • 5 replies

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.