Yamaha TT-R50

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Yamaha TT-R 50
Also called TTR50, TT-R 50 E, TT-R50E
Production 2006 - 2019
Class Mini bike
single cylinder, four-stroke
Bore / Stroke 36.0mm x 48.6mm
Compression ratio 9.5:1
Top Speed 30 mph
Torque 2.21 ft/lbs (3.0 Nm) @ 5500RPM
Ignition cdi
Spark Plug NGK CR7HSA
Transmission Gear box: 3-speed

Final Drive: chain

Clutch: automatic centrifugal clutch
Final Drive Chain: 420 ‘06-19[1]
Front Sprocket 13T ‘06-19[1]
Rear Sprocket 37T ‘06-19[1]
Suspension Front: inverted telescopic fork
Rear: single shock
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 2.50-10
Rear Tire 2.50-10
Wheelbase 36.42 inches (925 mm)
Length 51.42 inches (1306 mm)
Width 23.39 inches (594 mm)
Height 31.3 inches (795 mm)
Seat Height 21.89 inches (556 mm)
Weight 119.05 pounds (54.0 Kg) (dry), 57.2 kg (wet)
Recommended Oil Yamalube 10w-40
Fuel Capacity 0.82 Gallon (3.10 Liters)
Related Yamaha TT-R50
Yamaha TT-R90
Yamaha TT-R110
Yamaha TT-R125
Yamaha TT-R225
Yamaha TT-R230
Yamaha TT-R250
Yamaha PW50
Manuals Service Manual

The Yamaha TT-R50E was a single cylinder, four-stroke Enduro motorcycle produced by Yamaha between 2006 and 2019. Max torque was 2.21 ft/lbs (3.0 Nm) @ 5500 RPM.


The engine was a air cooled single cylinder, four-stroke. A 36.0mm bore x 48.6mm stroke result in a displacement of just 49.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).


The bike has a 3-speed transmission. Power was moderated via the automatic centrifugal clutch.


It came with a 2.50-10 front tire and a 2.50-10 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a inverted telescopic fork while the rear was equipped with a single shock. The TT-R50E was fitted with a 0.82 Gallon (3.10 Liters) fuel tank. The bike weighed just 119.05 pounds (54.0 Kg). The wheelbase was 36.42 inches (925 mm) long.

2006 Yamaha TT-R50E[edit]

With the E suffix telling us we're looking at a bike equipped with an electric start system, there's plenty of fun to come for the young riders. This diminutive off-road machine is powered by a 4-stroke engine which provides a smooth grunt with predictable power for a neat learning curve.

The 2005 model year brings a new engine which is lighter and more compact, with a washable foam air filter to keep maintenance easy on the budget. The bike retains the nifty 3-speed automatic clutch transmission.

2007 Yamaha TT-R50E[edit]

The 2007 MY TT-R50E is taking entry-point small-displacement bikes to a new level, and the addition of the electric start system, hence the E suffix is making things easier. With a smooth learning curve and non-intimidating character, this bike is a great way to introduce your kid to dirt riding.

Rugged and sporting a lot of YZ family-derived componentry, the 2007 MY TT-R50E is also equipped with a screw-type throttle limiter allowing the adult supervisors to limit the top speed of the machine according to the young rider's experience.

2008 Yamaha TT-R50E[edit]

The smallest member of the TT-R family, the 2008 MY TT-R50E packs plenty of punch and even more fun for both kids and adults. A nifty entry-point bike in the more "serious" range, this 4-stroke machine comes with a 3-speed transmission and an automatic clutch. This means shifting is smooth even though riders are free from the clutch hassle, and can learn their way around various riding scenarios much more easily.

Add in electric starting, a super-strong frame and flip-friendly bodywork, cheap maintenance and running costs, plus a throttle stop screw which allows adults to set how much power will the youngsters be able to squeeze from the TT-R50E.

2009 Yamaha TT-R50E[edit]

2009 Yamaha TT-R50E

The 2009 MY TT-R50E is a small-displacement bike that's intended to provide the youngest of riders with quite a blasting experience. Light, tough as nails and packing plenty of punch, this bike is a great introduction to what real off-roading is. Add in an easy-to-use 3-speed transmission with an automatic centrifugal clutch for even more educational efficiency and a a screw-type throttle adjuster for increased safety as part of the stock trim.

2010 Yamaha TT-R50E[edit]

The 2010 MY TT-R50E introduces electric starting to this YZ-derived dirt machine, adding more convenience and ease of use to an already fun bike. A great starter bike and an equally useable pit bike for grown-ups, the TT-R50E is the smallest member of the TT-R family but there's nothing but fun emerging from riding it.

The peppy 4-stroke carbureted 49cc single is mated to a three-speed semi-automatic gearbox. While riders are required to shift, the auto clutch does the rest, allowing the youngsters to focus on riding more than on the clutch work. The bike has keyed ignition and an adjustable throttle limiter.

2011 Yamaha TT-R50E[edit]

2011 Yamaha TT-R50E 2011 Yamaha TT-R50E

The 2011 MY TT-R50E is a great bike for the youngest of riders, packing 49cc of air-cooled 4-stroke displacement, a smooth 3-speed auto-clutch gearbox, electric starting and a screw-type throttle limiter adults can use to adjust the power delivery according to the rider's experience. The keyed ignition is yet another safety feature.

The chassis is strong and sturdy and can really take a beating, while the overall lightweight construction of the bike makes it easy to pick up from the dirt. Serrated folding pegs are also part of the package, as Yamaha knows this bike will be abused.

2012 Yamaha TT-R50E[edit]

The smallest member of the TT-R family, the 2012 MY TT-R50E is a great machine to help you introduce your kids to the two-wheeled world. Small, lightweight and non-intimidating, the TT-R50E is a good start for a young champ's career. The smooth 4-stroke engine packs plenty of punch to make rides thrilling and rewarding at the same time.

Adults can adjust the screw-type throttle limiter to provide a safe power response, while the low seat height and centralized mass make the TT-R50E a really nimble machine the young riders will instantly love.

2013 Yamaha TT-R50E[edit]

The 2012 Yamaha TT-R50E is a good choice for someone in search of an off-road bike for kids under 10. Easy to operate yet capable to provide the young riders with a thrilling experience. It is also a good way to introduce kids to the basics of off-road riding, especially as it comes with a no-nonsense 3-speed semi-automatic gearbox which will help the youngsters get acquainted to shifting yet eliminating the clutch for an easier ride on difficult terrain.

The keyed ignition helps adults rest assured the bike cannot be started unless supervised, while the YZ-inspired racing blue livery will surely make kids love this fun machine. With a comfy low seat and light construction, the 2012 Yamaha TT-R50E is unintimidating and boasts excellent maneuverability.

2016 Yamaha TT-R50E[edit]

The Yamaha, with the release of their version of a 50cc play bike, has not only become an instant competitor in an extremely successful segment of the motorcycle industry, but they also tried to put all the pieces of the puzzle together to knock Honda off the throne. Yamaha has created a bike that will not only get very young kids riding, but will lead them to the next Yamaha in the line as they grow. When the TTR50 rider gets a little bigger and wants more power, he can move up to the TTR90. When he is even taller and looking for more speed.

External Links[edit]


  1. 1.0 1.1 1.2 2019 Western Power Sports Catalog. Western Power Sports. 2019.