Yamaha TTR 90 Specs, Top Speed, Price, Review, Features

2024 Yamaha TTR 90 Top Speed, Specs, Price ⚡ Review

Yamaha TTR 90 specs, Top Speed, Horsepower, Price, and mileage are listed below. 

The specifications of the Yamaha TTR 90, include its Top Speed, weight, MPG, horsepower, Seat Height, and other aspects.

Between 2002 and 2007 Yamaha introduced the TT-R90 an off-road bike that could be used as a step-up for children who wanted to transition from the smaller 50cc bikes.

The TT-R90 was a single-cylinder four-stroke Yamaha motorcycle that was available in electric-start and kick-start versions. One overhead cam motor measured at 89cc, and made around 5.36 HP at 7700 RPMs.

It was equipped with a three-speed transmission and a 3-speed gearbox, the TT-R90 also featured semi-automatic gearboxes to make shifting, eliminating the need to switch the clutch.

Yamaha TTR 90 Top Speed, Specs, Price, Review, Horsepower, Features

Yamaha TTR 90 Specs, Top Speed, Price, Review, Features

2024 Yamaha TTR 90 Price

MSRP*: $1,749

Yamaha TTR 90 Top Speed

Top Speed: Around 40 mph.

Specs Summary:

  • Top Speed: 40 mph (Est.)

  • Horsepower: 5.36 hp

  • Mileage: NA

  • Seat Height: 24.6 inches

  • Wet Weight: 139 lb

  • Engine Displacement: 89cc, Air-cooled, four-stroke

  • Fuel Capacity:1.1 gal

Yamaha TTR 90 specs

Yamaha TTR 90 Specs


Engine Type 1-Cylinder, 4-Stroke, SOHC
Engine Displacement 89 cc
No. of Cylinders 1
Fuel Type Gasoline
Fuel Supply 16 mm Mikuni carburetor
Cooling System Air-cooled
Bore 47 mm
Stroke 51.8 mm
Compression Ratio 8.5:1
Valves Per Cylinder 2
Starting Electric
Ignition CDI
Transmission 3-Speed semi-automatic
Clutch Automatic
Final Drive Chain

Top Speed, Performance

Power 5.36 hp @ 7,000 rpm
Torque 6.1 Nm @ 4,000 rpm
Top Speed The Yamaha TTR 90 top speed is 90 mph


Body Type Trail bike
Chassis Steel frame
Front Suspension 26 mm Telescopic forks
Rear Suspension Single rear shock absorber
Front Wheel Travel 4.3 inches
Rear Wheel Travel 3.7 inches

Wheel, Brakes, and Tires

Front Brake
Expanding drum brake
Rear Bra Expanding drum brake
Front Brake Diameter Expanding drum brake
Rear Brake Diameter 100 mm
Front Wheel 14 Inch spoke rims
Rear Wheel 12 Inch spoke rims
Tire Type Tubed
Front Tire Size 2.50-14
Rear Tire Size 3.00-12


Wheelbase 40.9 inches
Length 60 inches
Width 23.8 inches
Height 34.1 inches
Seat Height 24.6 inches
Ground Clearance 6.3 inches
Curb Weight 139 lb
Fuel Tank Capacity 1.1 gal
Seating Capacity 1
Trail 2.2 inches


Warranty 30 Day (Limited Factory Warranty)

Yamaha TTR 90 Top Features

  • 4-Stroke, air-cooled, single-cylinder engine
  • Compact design with a lightweight frame
  • 26 mm Telescopic forks
  • Single rear shock absorber
  • 3-Speed semi-automatic transmission
  • Automatic clutch
  • 16 mm Mikuni carburetor
  • CDI ignition system
  • Chain type final drive
  • Front and rear drum brakes
  • 14-Inch spoke rim front wheel
  • 12-Inch spoke rim rear wheel
  • Competition-style flat seat
  • High ground clearance

Yamaha TTR 90 Features

Engine & Transmission

The Yamaha TTR 90 has an 89cc single-cylinder, four-stroke engine. It uses a simple air cooling system. A Mikuni 16mm carburetor performs the fuel delivery duties. It has an 8.5:1 compression ratio and comes with one overhead camshaft.

Yamaha also equips this trail bike with an electric starter and a CDI ignition system. TTR 90’s 3-speed semi-automatic gearbox helps younger riders improve their skills. The TTR 90 has an automatic clutch, similar to the Honda Ruckus. This allows for hassle-free riding.

Yamaha TTR 90 Power Performance

This single-cylinder trail bike produces 5.36 horsepower @ 7,000 rpm and 6.1 Nm @ 4000 rpm. The bike’s small motor provides uncompromising performance, making it an ideal platform for young riders to learn off-roading skills.

Yamaha TTR 90 is capable of reaching speeds up to 40 mph. The Mikuni carburetor provides a smooth throttle response and a predictable power delivery. The CD ignition system is reliable and low maintenance.

Body & Suspension

The Yamaha TTR 90 comes with Team Yamaha-inspired graphics and paint schemes. These are the same colors used on the larger motocrosser brother, the Yamaha. The Yamaha TTR 90 has a 26 mm telescopic suspension at its front and a single shock absorber at its rear. The front fork travels 4.3 inches, while the rear shock absorber provides 3.7 inches. This trail bike’s suspension system provides confidence-inspiring control.

Brakes & Wheels

The Yamaha TTR 90 has front and rear drum brakes, which provide the required stopping power. It comes with lightweight, durable spoke-rim wheels. It has a front wheel of 14 inches and a rear wheel of 12 inches. The dirt bike comes with knobby tires, which offer excellent grip and wear. The TTR 90’s front tire is 2.50-14 in size, while its rear tire is 3.00-12.


The trail bike measures just 60 inches long and is very compact. The bike has a shorter wheelbase of 40.9 inches, which allows for more agile and predictable handling. The TTR 90 has a long motocross-style seat, similar to the Yamaha YZ125.

It also has a seat height of 24.6 inches. The TTR 90 has a ground clearance height of 6.3 inches, which makes it ideal for rough terrains. The Yamaha TTR90 weighs in at 139 lb and has a fuel tank capacity of 1.1 gallons.


Is the Yamaha TTR 90 four-stroke?

Yes, the Yamaha TTR 90 has a four-stroke, air-cooled engine with a single-cylinder setup.

Does the TTR 90 have an electric starter?

The Yamaha TTR 90 comes with an electric starter, and it gets a low-maintenance CDI ignition system.

Does the TTR 90 have a clutch?

It comes with an automatic clutch system.

What is the seat height of the Yamaha TTR 90?

It has a seat height of 24.6 inches.

That’s all about the Yamaha TTR 90 Specs, Price, Top Speed, Review, and Images, I hope it will be useful to you, but if you have any questions about this post, then please comment in the below comment box, I will try to solve it as soon as possible. Thanks…

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