At the heart of the 2024 Yamaha TT-R50 minibike, cross motorcycle, Yamaha features a 49 cc (3 cu in) air-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 36.0 x 48.6 mm (1.4 x 1.9 inches) with a 9.5:1 compression ratio.
On the scales, the TT-R50 measures 58 kg (128 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 555 mm (21.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 925 mm (36.4 in) wheelbase engineered for quick, flickable steering geometry. The 3.1-liter (0.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 3 indexed model years from 2021 to 2024, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
555 mm (21.9 in)
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsAutomatic cam chain tensione
Compression9.5:1
Bore x Stroke36.0 x 48.6 mm (1.4 x 1.9 inches)
Valves/Cylinder2
Fuel SystemCarburettor. Mikuni VM11
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionCDI
LubricationWet sump
CoolingAir
Transmission
Gearbox3-speed
Final DriveChain (final drive)
ClutchAutomatic centrifugal clutch
Performance
ExhaustUSFS-approved spark arrestor
Chassis
Frame TypeSteel tube backbone
Rake25.3°
Trail34 mm (1.3 inches)
Front SuspensionTelescopic fork
Front Travel66 mm (2.6 inches)
Rear SuspensionSingle shock
Rear Travel71 mm (2.8 inches)
Wheelbase925 mm (36.4 inches)
Ground Clearance135 mm (5.3 inches)
Wheels & Brakes
Front Tyre2.50-10
Rear Tyre2.50-10
Front BrakesExpanding brake (drum brake). Mechanical leading trailing drum brake,
Front Brake Ø80 mm (3.1 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Ø80 mm (3.1 inches)
Dimensions & Weight
Weight incl.58.0 kg (127.9 pounds)
Seat Height555 mm (21.9 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
