1998年3月1日 · Yamaha’s YZ400F has to be considered a resounding success. The company gambled on an unproven concept, rushed the result into production, and in the process opened a new chapter in motocross...

2005年11月1日 · Yamaha built the YZ 400 engine based on computer modeling studies. It shares little, if anything, with its ancestors. Power is generated in the ceramic composite plated cylinder via 5 valves: three...

In 1998, the YZ400F changed everything. It was originally seen as a replacement for the YZ490 in the Yamaha line, but AMA rules of the day allowed 560cc four-strokes to compete against 250cc two-strokes.

2022年2月14日 · This is my look back at the history of Yamaha's Open class four-strokes from 1998 through 2022. Awesome! Can’t wait to check it out! (Gettin’ my superbowl on right now! Ha) 2-2009 450’s (skipped the 10-13 generation!) a 2015 YZ450 and planning to buy a 2023 IF it’s a new model as expected! Thanks for posting these fabulous trips down memory lane!

2012年4月1日 · Whether the motor sang along at 10,000 rpms and chugged by at 4,000, the YZ400F seemed to go wherever you wanted to point it. In slicker, wet conditions the 400F seemed to have a mind of it's own and searched for it's own way.

2024年1月23日 · Bid for the chance to own a No Reserve: 1979 Yamaha YZ400F at auction with Bring a Trailer, the home of the best vintage and classic cars online. Lot #134,260.

De Winner: Yamaha YZ400F. Even though the YZF outweighed the two-strokes by 14 to 17 pounds, it felt lighter on the track, Surprisingly, the heaviest bike in this comparison is the most fun on a motocross track, and it is, by far, the fastest through turns.

2015年3月4日 · I'm considering buying a 1999 yz400f. Anything I should know about this bike? Pros/cons? Is it a pita to maintain? Thanks in advance.

Looking to buy a used Yamaha Yz motorcycle? Browse our extensive inventory of used Yamaha Yz motorcycles from local Yamaha dealers and private sellers. Compare prices, models, trims, …

With its development of the YZM400F factory machine and YZ400F production motocrosser, Yamaha overturned the long-held belief of the industry (and the sport of Supercross) about 4-stroke motocrosser capability and competitiveness.