Established in 1992, Sumai Bicycle Co.,Ltd. is one of the biggest China yamaha motorbike manufacturer and wholesaler. We've gotten the WMI (World Manufacturer Identification) since 2005. Our company has perfect quality management systems with ISO9001 international quality authentication in 2002 and pays great attention to new product development. We have high-quality staff at design, oem yamaha motorbikes development and production fields, and have introduced in qualified personnel from foreign bicycle enterprise. Most of our products have been approved with CE certificate, and some approved with EEC, EPA and CARB.

Specifications: Engine Type 249cc, liquid-cooled,5-valve, dohc,4-stroke w/titanium valves Bore x stroke 77 x 53.6mm Compression ratio 12.5:1 Carburetion 37mm keihin fcr flat-slide w/throttle position sensor Ignition digital cdi Transmission 5-speed w/multi-plate wet clutch Final drive #520 chain Chassis Suspension/front 48mm kayaba inverted telescopic fork w/adjustable compression and rebound damping; 11.8" travel Suspension/rear kayaba single shock w/adjustable preload, compression and rebound damping & separate hi/lo-speed compression adjuster; 12.4 Travel Brakes/front 250mm floating disc Brakes/rear 245mm disc Tires/front 80/100-21-51m dunlop Tires/rear 100/90-19-57m dunlop Dimensions Length 85.7 Width 32.1 Height 50.9 Seat height 38.7 Wheelbase 58.5 Ground clearance 14.5 Dry weight 206 lbs. Fuel capacity 1.85 gallons.

Your MX Yamaha off-road motorbike can be kept looking like new by replacing dirt bike plastic. Whether a fender, side panel, number plate, radiator cover, or whatever plastics in need of repair, replacing any scuffed or cosmetic damaged dirtbike plastic provides a real bang for the buck. it's inexpensive, yet can create a dramatic improvement in not only the better looks of your cycle, but also how you look out on the practice track, racing a moto, or just trail riding your Yamaha in the country. You perform better when your polymers are looking good. Keep your Yamaha's dirtbike plastic looking good and save money all at the same time here at Faster Motocross.
Here’s a machine that could convince car fans to get on their bike – it’s a four-wheeled motorbike!The wacky design is called the Yamaha Tesseract, and its additional pair of rims provides extra stabil-ity. The wheels are mated to a special suspension system which lets the rider lean the ‘bike’ around bends and park it upright. Yet despite having two more rims than normal, it’s not much wider than an ordinary motorbike, according to Yamaha.

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