Found a pristine 1999 YZ400F and couldn't pass it up. : r/Dirtbikes
MX HISTORY: THE YZ400 TWO-STROKE - Dirt Bike Magazine
The game changer: Yamaha YZ400F - Australasian Dirt Bike Magazine
The History Of Yamaha's YZ400F, YZ426F and YZ450F 1998-2022 - YouTube
MXA BIKES OF THE YEAR (1998-2018)–450cc FOUR-STROKES - Motocross Action Magazine
Yamaha YZ400F '1998–2000
1998 Yamaha YZ400F - Like New - $2,000 - For Sale/Bazaar - Motocross Forums / Message Boards - Vital MX
Jimmy Button's 1999 Factory Yamaha YZ400F | Tony Blazier | Flickr
This week's Classic Steel is look back at the groundbreaking 1998 Yamaha YZ400F - Moto-Related - Motocross Forums / Message Boards - Vital MX
Yamaha YZ400F 1998 Specs
What Yamaha had to say about the 1999 YZ400F
1998 Yamaha YZ400F - Bike Builds - Motocross Forums / Message Boards - Vital MX
1999 Yamaha YZ400F MX Auction (0001-50007837) | Grays Australia
L.A. Sleeve Yamaha YZ400F - Dirt Rider Magazine | Dirt Rider
1998 Yamaha YZ400F - Like New - $2,000 - For Sale/Bazaar - Motocross Forums / Message Boards - Vital MX
1998 YAMAHA 400CC YZ400F - JBW3438095 - JUST BIKES
The Motocross Vault - Yamaha's lovely home market 1998 YZ400F. I loved this color scheme and I was bummed you couldn't get it here in the US at the time. | Facebook
YAMAHA YZ400F DIRT Bike 2000 Model New Clutch New Carbi Kit. Like Yz450 Yz250 $2,200.00 - PicClick AU
The game changer: Yamaha YZ400F - Australasian Dirt Bike Magazine
1998 Yamaha YZ400F - Classic Steel #29
1998 Yamaha YZ400F: READER'S RIDE - Australasian Dirt Bike Magazine
Yamaha YZ400F, YZ426F, WR400F & WR426F Motorcycle (1998-2002) Service Repair Manual ^ - Walmart.com
For Sale | 1998 Yamaha YZ400F 399cc-For Sale
First Four Stroke Motocross Bike The Yamaha YZ400F  - YouTube
