Kawasaki Ninja 250R: $1500 Streetbike Surgery
Kawasaki’s Ninja 250R narrowly missed out on the win in this month’s 250cc sportbike shootout, which may come as a rude surprise to its many devotees. But with its off-idle roughness, paltry low-rev power and overly erect ergonomics, the “Ninjette” has some issues to address if it wants to regain its status as King of the Quarter-Liters. The littlest Ninja has been around for nearly three decades, and in that time numerous solutions to its shortcomings have been suggested by resourceful owners and the aftermarket. What could the bike become if we tapped into that vast storehouse of knowledge? We scoured the Web, determined the most sought-after upgrades and gave ourselves a $1500 budget to find out.While we had the carbs off, we decided to install Dynojet’s Stage II jet kit (part number 2139) in anticipation of an air filter and exhaust upgrade. The kit comes with several sets of larger main jets and replacement needles, as well as comprehensive installation and tuning instructions. Not sure what carburetor mods are best for your bike? The aforementioned forum’s wiki feature is an invaluable resource for curious owners and inexperienced DIYers.
With the fueling taken care of, it was time to add more air to optimize engine performance. With the bodywork removed to access the carbs, swapping the restrictive stock foam air filter for a high-flow cotton K&N unit was accomplished in under 5 minutes. One great thing about the Ninja is its simplicity, which makes it convenient for owners and aftermarket manufacturers to work on. Thus performance parts are surprisingly affordable and easy to install. A full Jardine RT-5 exhaust system cost less than a slip-on for a ZX-6R, and only took 30 minutes to bolt on. The carbon-canister system shaves off more than 9 lbs. compared to the ungainly stocker, and is perfectly sized to match the bike’s diminutive stature.
Strapped to our in-house SuperFlow dyno, the Ninja’s engine upgrades proved well worth the minimal investment in time and money. While peak output only rose by 1.7 horsepower (27.1 bhp @ 10,700 rpm vs. 25.4 bhp @ 11,100 rpm), power builds faster and is sustained longer. The modified bike reaches the stocker’s peak torque output 2900 rpm sooner, and there’s at least a 1-bhp gain from 6000 rpm on up, with a maximum difference of 4.2 bhp near redline where the stocker’s power falls off dramatically. That may not sound like much, but it’s a 20 percent improvement!
Kawasaki 250 Ninja - News

For years there was just one: Kawasaki's ubiquitous Ninja 250. Then, in 2005, the class size doubled when Hyosung entered the American market with its GT250R. Now, with the introduction of Honda's new CBR250R, the options list is at an all-time high of

Kawasaki's Ninja 250R narrowly missed out on the win in this month's 250cc sportbike shootout, which may come as a rude surprise to its many devotees. But with its off-idle roughness, paltry low-rev power and overly erect ergonomics,

Yoshimura R&D of America is now offering a host of performance products to outfit the ever-popular Kawasaki Ninja 250R street bike and the Honda Ruckus scooter. Yoshimura offers applications of its TRC exhaust as a slip-on or full system as well as a

However, as Brull pointed out, the most unique component of the promotion is the sheer number of units that will be given away through the 820 participating Kawasaki dealers, with each of them holding post-event drawings for a new 2011 Ninja 250R
The Monster Energy Kawasaki Off Road professionals came up to Mammoth MX to cross-train prior to their season's kick-off at the ESPN Summer X Games. On Saturday, Taylor Robert raced his KX™250F in the 250 Open Pro class and finished seventh overall
Honda CBR250R vs Kawasaki Ninja 250R vs Hyosung GT250R ...
HEllo all ,One more discussion of technical Comparison 3 Motor sport Namely 250cc Honda CBR 250R, Kawasaki Ninja 250R and Hyosung GT250R. Why I flavor interesting enough to lift this discussion? . .. Because it looks like this is a discussion that comes closest to the condition of the third competition in the world especially Indonesia during the motor period ahead. Ninja 250R that discussed is an American version that uses the same carburetor with Indonesia version,
Then How Consumption of Fuel Efficiency. . . Motorcyclist test results from the data we may conclude that the CBR 250R is the most economical with an average mileage of 28 km / liter. . . GT250R at the center while the center with mleage 26.4 km / liter. . . Ninja 250R is a motorcycle and most not economical among all three with mileage on average 22 km / liter. . . :smile:
There is another aspect that can be taken into consideration. . . the first is a Hyosung GT250R Sport Bike indeed have a line of GSX R Family designs. . . dimension equal to GT650R. . . CBR 250R is highly VFR 1200 while the 250R Ninja Manly enough to design a memorable ninja series
After that problem CBR 250R has a dashboard feature that is also very VFR 1200, Injection, and C-ABS. GT250R has a digital dashboard that light can be set, an adjustable rearset, USD front suspension and dual disc brake in front. . . Ninja 250R is not too much to dwell in detail the features, its dashboard suffered only minor color change. . thats All. . . but indeed most fast
How about maintenance? In the USA there Hyosung GT 250R is a motorcycle according to the most frequently recommended by manufacturer shall enter the garage. . . recorded was Oil change and set the valves every 4,000 km. Ninja 250R comes out second. . . ie replace oil and filter at 9600 miles, and set the estrangement valve every 12,000 km. . . CBR 250R is the most rarely entered the garage. . . replace the oil in each of 12.800 km and set the valve at every 25.740 km.
Well, complete everything into consideration. . . now you select in accordance with the wishes, abilities and interests. . . Hopefully this Review helpful.
Overstroke.
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