For this week’s Two-Stroke Tuesday , we take a look at Rick Johnson’s iconic 1984 YZ250. This is the bike that he won the championship on that year, and it set the tone for things to come because it was a production-based bike. By 1984, Yamaha knew that some sort of production rule was coming and decided on a preemptive strike.

1984年11月1日 · We decided to get answers for those kinds of questions in the only meaningful way: with an on-track comparison between one of Team Yamaha’s 1984 250cc factory bikes and a bone-stock YZ250.

1984年3月1日 · Yamaha’s YZs had the first truly powerful front brake. The dual-leading shoe stopper has been around for some time but the ’84 version is stronger and more progressive, thanks to a new cam ratio....

Looking to buy a 1984-Any Yamaha Yz motorcycle? Browse our extensive inventory of new and used 1984-Any Yamaha Yz motorcycles from local Yamaha dealers and private sellers. Compare prices, models, trims, options and specifications between …

2024年4月4日 · Rick Johnson’s 1984 YZ250 stands as an esteemed relic of motocross history, meticulously documented and preserved. Despite offers to revisit its saddle in subsequent years, Johnson has opted to keep its legacy intact.

2021年4月28日 · From memory the '84 was a decent bike, a big improvement on the '83, which was a light year jump ahead of the '82. The Yammy twin leading front brake is the best in the business, when set up right it was as good or better than the disks from that time.

2016年7月8日 · Hey everyone. Ive been working on rebuilding an 84/85 YZ250 and thought I'd try documenting it, so here I am! This bike came from Don Jones and then my uncle bought it in the mid 80's. So it has a bit of history and sentimental value. Makes the time and money spent rebuilding it that much easier....

2007年8月10日 · The YZ250 makes an identical 46.8 horsepower, however at 8800 rpm, and doesn’t lose 5 horsepower until 9600 rpm. In fact, the YZ250 is still making more than 45 horsepower at 9100 rpm..."--- YZ250's posses the broadest powerband of any 250cc 2-stroke available out there ?

The Yamaha YZ250 is a two-stroke motocross race bike made by Yamaha. The model was launched in 1974, and has been regularly updated and is still in production with new releases every year. The original YZ250 of 1974 used an air-cooled 250cc two-stroke engine of 70 mm bore and a 64 mm stroke, which was improved semi-annually.

2013年4月24日 · Thinking of selling both my 84 YZ250 (one complete running bike and the other a parts bike)