Most modern motor scooters have smaller wheels than motorcycles, between eight and 12 inches (20-28 cm) in diameter (though maxi- and big-wheel scooters may have larger wheels). The scooter engine is usually found under the seat with a continuously variable transmission transferring power to the rear wheel, often in a front-hinged arrangement that allows the rear of the engine to swing vertically in conjunction with the motion of the rear wheel. Older Vespas, most vintage scooters, and some newer retro models have a manual transmission with the gear shift and clutch built into the left handlebar.

In contrast to most motorcycles, scooters generally feature bodywork, including a front leg shield and body that conceals all or most of the mechanicals. The classic scooter design features a step-thru frame and a flat floorboard for the rider's feet and often includes some integral storage space, either under the seat, built into the front leg shield, or both.

Most scooters have smaller engines than motorcycles (between 30 cc and 250 cc with a single cylinder, though some models have twin cylinder motors). Most jurisdictions have no legal definition for "scooter". In general, 50 cc and under scooters are classified in most states and countries as a moped and are subject to reduced safety restrictions and licensing fees. Scooters above 50 cc are generally legally considered motorcycles, though some states have an in-between definition for motorized bike for scooters and motorcycles between 50 and 150 cc.

Until recently, most modern motor scooters came with air cooled two-stroke cycle engines with automatic two-stroke oil injection although some of the higher spec small ones and large ones are water cooled such as the Honda FC50 or the 2002 Yamaha YQ50s. Scooters increasingly have four-stroke engines to meet stricter emissions controls. Trends world-wide have seen new variations on the classic scooter. A common variation, the 'big-wheel' or commuter-style scooter features wheels as large as a motorcycle. Popular models of the commuter-style bike include the Aprilia Scarabeo models, the Piaggio Liberty/LT models, and the Taiwanese Kymco People models.

High-end scooter models now include comprehensive technological features including cast aluminum frames, engines with integral counter-balancing, and cross-linked brake systems. Some of these modern high-end scooters also come with comfort features such as windshields, heated hand grips and full instrumentation (including clock or outside temperature gauge.)

High-powered electric road scooters are on the horizon now that small electric motorcycles like the e-max and the eGO have been released.

Read more at Wikipedia.org





	Btm Bt125T-12 125cc 125 New Scooter Motorbike £799.95	2008 Suzuki Gsxr 600 K7 Black/Blue £4,500.00

	Z50J Honda Monkey Bike £1,000.00	1991 Suzuki White £25.00

	Triketec C3 Sport Factory built Trike £12,000.00	1993 Kawasaki Zxr750L -Green - Project £50.00

	Zxr400H Kawasaki Multi-Coloured £1.00	1998 Suzuki Tl 1000 Sx Silver £100.00

	suzuki 1200 bandit k3 £1,000.00	1943 Indian Scout 500cc, V Twin Model 741 £3,500.00

	Honda Quad Bike Trx250Te5 All Terrain £999.00	2001 Honda Cbr 600 F Yellow £2,500.00

	honda cr 250 2005 2 stroke £1,500.00	2006 Sym Jet 50 - Euro X Blue £500.00

	1981 Triumph Black/Red £10.00	1985 Yamaha Blue £21.00

	X-Stream 125 Road Bike £450.00	P Reg Suzuki An 125 Stolen Recovered £250.00

	2005 Ktm 250 Exc Orange £2,000.00	Brand New 58 Plate Learner Legal 125cc Motorcycle £999.00

	2004 Kawasaki Eliminator 125 Red £250.00	1981 Honda Red Superdream Custom Cm250 £100.00

	1995 Kawasaki Gpz500S £600.00	1998 Triumph Thunderbird Sport Red Light Damage £999.99

	Yamaha Tdm 850 1998 T+T Hpi Clear Poss Free Delivery £1,550.00	2002 Ktm 640 Supermoto Orange £1,600.00

	1997 Aprilia Rs250 250 Race Replica - 5k - Black £3,295.00	suzuki rf 600 streetfighter gs cb bandit gsx £900.00

	Skyjet Cbr 125 £1.00	Quadzilla R100 Very Fast Good Condition Grab A Bargain £300.00

	Xsport 110cc supermoto \ scrambler \ motocross £200.00	Cbr400Rr Nc29 gull arm for sale!!!!mint!!!!!!!! £1,000.00

	Suzuki Gsx-R1000 Gsxr1000 Gsx R 1000 Gixxer Thou K3 Gsx £3,500.00	2008 Giantco Blue £400.00

	kawasaki kxf 250 2008 motocross £3,650.00	Shineray Gy125 125cc Trial Enduro Learner Road Legal £599.00

	2002 Honda Ls125 Sports Learner Legal Bike Like An Nsr £400.00	2002 Buell X1 Lightning Black £2,950.00

	2005 Yamaha Yq 50 Aerox Grey £500.00	2001 Piaggio Vespa Et4 125 Silvery White Mot & Tax £499.99

	1998 Yamaha Yzf 600 R Red Thundercat Yzf600R £103.00	Yamaha Rt100 - Motocross - Ideal First Bike £250.00

	1990 Suzuki Gsx 750 F Very Low reserve £500.00	2001 Mbk Yn50 Ovetto Bronze £450.00

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