List of Yamaha motorcycles

• YA-1 built August 1954, produced January 1955. The first bike manufactured by Yamaha was actually a copy of the German DKW RT 125; it had an air-cooled, two-stroke, single cylinder 125 cc engine^[1]
• YC-1 (1956) was the second bike manufactured by Yamaha; it was a 175 cc single cylinder two-stroke.^[1]
• YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1.^[1]
• MF-1 (1958) 50 cc, two-stroke, single cylinder, step through street bike^[1]
• YDS-3 (1964) 246 cc, two-stroke, parallel-twin, it used the world's first oil injection lubrication system in a 2-stroke engine.^[2]
• DT-1 (1968) Yamaha's first true off-road motorcycle.^[1]
• XS-1 (1970) Yamaha's first four-stroke engine motorcycle (650 cc twin).^[3]
• YZ Monocross (1975) First production motocross bike with a single rear shock.^[3]
• YZ400F (1998) First mass-produced four-stroke motocross motorcycle.^[3]

Some of these step-throughs and scooters are made for Southeast Asian markets, where they are known as underbones.

Maxi-scooters

Large scooters with more than 125 cc, and a large chassis and protection from the elements.

• Axis Grand 100
• Axis Z 125
• Aerox / NVX 125 / 155
• Augur 155
• Cygnus / Riva 180
• CygnusX 125
• CygnusX SR 125
• Cygnus Gryphus 125
• Fluo / FreeGo 125
• Force / X-Force 155
• Gear 125
• Iron Max 125
• Iron Max 250
• Iron Max 300
• Iron Max 400
• Iron Max 530
• LEXi^[12]
• LEXi LX 155 (Indonesia)^[13]
• Vity 125
• X-City 125
• X-City 250
• Maxam 250
• Morphous 250
• Majesty 125
• Majesty 250
• YP400 Majesty
• MW-Vision
• MWC-4
• Neo / Soul / Ego Avantiz / GT 125
• NMAX 125
• NMAX 155
• SMAX 155
• Xenter 125
• XMAX 125
• XMAX 250
• XMAX 300
• XMAX 400
• Grand Majesty 400
• TMAX
• TTX / X-Ride
• 150 MX King
• 3CT

• Tricity 125
• Tricity 155
• Tricity 300
• Niken