Nov 1, 2005 · Yamaha YZ 400F Technical Information: Dirtbike : Don t look for older model Yamaha XT and TT engine model parts on Yamaha s latest 4-stroke offering.

Mar 1, 1998 · The YZ400F is in a class of its own; it relegates pretty much every other off-road Thumper to farm-implement status. The YZF’s level of refinement makes even the trickest Euro-Thumpers feel like...

amaha loves big bikes. Clearly, there's a connection between the people at Yamaha and the idea of large displacement motocross bikes, going all the way

Boasting podium‑topping DNA and serious racing pedigree, this is the unmatched, race‑ready Sport ATV for those who want to win. - The Yamaha 2025 YFZ450R

Aug 4, 2003 · A YFZ should be anyones choice because it is truly the superior product. Is it worth a few more bucks over a Z 400 ...that's up to you and how serious you are about riding.

Dec 6, 2019 · The Yamaha YZ400F was a true game-changer, the first 4-stroke production motocrosser that could compete directly against the 2-stroke competition -- and win. The YZF weighed 250 pounds -- about 20 more than the 2-strokes -- but had comparable power and torque, along with the added advantage of heavi

Apr 1, 2012 · On the track the YZ400F started to shine in just a few laps. At first, it was wet and slick, but when the track broke in and I became more accustomed to the motor characteristics, my lap times shrank and my smile grew. I was amazed at how easy it was to ride the bike. The motor is so unlike any four stroke I had ever ridden. For starters, the stock engine pumps out 42 horses and does it with a ...

Dec 10, 2020 · This is the spot to talk about the Yamaha YZ400F, YZ426F, YZ450F, & YZ450FX. Find new & used YZ400F, YZ426F & YZ450F/FX motorcycles & parts for sale, motorcycle reviews, and browse owner garages & mods. Yamaha YZ400F, YZ426F, & YZ450F/FX Motorcycle Reviews Yamaha YZ400F, YZ426F, & YZ450F/FX Motorcycles & Parts for Sale Yamaha YZ400F, YZ426F, & YZ450F/FX Owner Garages and Mods

A 500cc four-stroke motocross bike would have been too heavy to justify the extra power. And the other reason was in the equation 250 × 1.6 = 400. 2-stroke engines produce1.6 times the …

Nov 1, 2005 · In straight line terrain over rough bumps, the 400 is right on and feels correct. Long sweeping turns are no problem. However, the YZ-400 really shines on bumpy downhills!