Editing Yamaha TT-R 90



{{Infobox Motorcycle
|name             = '''Yamaha TT-R 90'''
|image            =
|aka              = TT-R90 E, TT-R90, TT-R 90 E
|manufacturer     = [[Yamaha]]
|parent_company   =
|production       = 2002 - 2007
|model_year       =
|predecessor      =
|successor        =
|class            = [[Trial]]
|engine           = single cylinder, four-stroke
|bore_stroke      = 47.0mm x 51.8mm
|compression      = 8.5:1
|top_speed        =
|power            = 5.36 HP (4.0 KW) @ 7000RPM
|torque           = 4.5 ft/lbs (6.1 Nm) @ 4000RPM
|ignition         = cdi
|spark_plug       =
|battery          = 8.5:1
|transmission     = Gear box: 3-speed <br>
Final Drive: [[chain]] <br>
Clutch: wet, multiple-disc and centrifugal automatic <br>

|frame            =
|suspension       =Front: 26 mm telescopic fork <br>
Rear: single shock
|brakes           =Front: expanding [[brake]] (drum brake) <br>Rear: expanding brake (drum brake)
|front_tire       = {{tire|2.50-14}} 
|rear_tire   	  = {{tire|2/14-2}} 
|rake_trail       =
|wheelbase        = 40.91 inches (1039 mm)
|length           = 60.0 inches (1524 mm)
|width            = 23.82 inches (605 mm)
|height           = 34.09 inches (866 mm)
|seat_height      = 24.61 inches (625 mm)
|dry_weight       = 138.89 pounds (63.0 Kg)
|wet_weight       = 61.0 kg
|fuel_capacity    = 1.1 Gallon (4.16 Liters)
|oil_capacity     =
|fuel_consumption =
|turning_radius   =
|related          =
|competition      =
}}

The '''[[Yamaha]] TT-R 90 E''' was a single cylinder, [[four-stroke]] Trial [[motorcycle]] produced by [[Yamaha]] between 2002 and 2007. Max [[torque]] was 4.5 ft/lbs (6.1 Nm) @ 4000 RPM. Claimed [[horsepower]] was 5.36 HP (4.0 KW) @ 7000 RPM.  

==Engine==
The engine was a [[air cooled]] single cylinder, four-stroke. A 47.0mm [[bore]] x 51.8mm [[stroke]] result in a [[displacement]] of just 89.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).  

==Drive==
The bike has a 3-speed transmission. Power was moderated via the wet, multiple-disc and centrifugal automatic.  

==Chassis==
It came with a 2.50-14 front [[tire]] and a 2/14-2 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  26 mm telescopic fork while the rear was equipped with a single shock. The TT-R 90 E was fitted with a 1.1 Gallon (4.16 Liters) fuel tank. The bike weighed just 138.89 pounds (63.0 Kg). The wheelbase was 40.91 inches (1039 mm) long.  

==2003 Yamaha TT-R90==
[[File:yamaha-tt-r-90-2003-2003-0.jpg|600px|2003 Yamaha TT-R90]]

The TT-R90 is the smallest member of the Yamaha 4-stroke family, sporting an air-cooled 89cc engine with smooth, predictable and non-intimidating power delivery. The bike retains the automatic clutch and the 3-speed transmission of the PW80 machine, since it looks like the young riders really enjoy the automatic clutch.

Built like a tank, just like other similar Yamaha machines, the 2002 TT-R90 can effortlessly cope with the beating kids put such bikes through. 


==2006 Yamaha TT-R90==
[[File:yamaha-tt-r-90-2006-2006-0.jpg|600px|2006 Yamaha TT-R90]]

A step up from the entry-level TT-R50, the 2005 TT-R90 adds to the power and torque figures, as well as to the fun factor. A bike for the young riders who have already gotten past their very first two-wheeled experience, the R90 still offers the automatic clutch 3-speed transmission and low seat which allows almost any rider to get a firm foothold on the ground for increased confidence.

Light and tough as nails, the 2005 Yamaha TT-R90 is a great dirt machine for continuing honing in the skills on young riders, boasting serrated pegs, racing-derived graphics and a paddle-style choke.


==2007 Yamaha TT-R90==
[[File:yamaha-tt-r-90-2007-2007-1.jpg|600px|2007 Yamaha TT-R90]]
[[File:yamaha-tt-r-90-2007-2007-0.jpg|600px|2007 Yamaha TT-R90]]

The 2007 MY TT-R90 is a great dirt machine for kids past the height of the 49cc entry-level bikes. Almost doubling the displacement of the smallest Yamaha dirt bike, the TT-R90 provides a non-intimidating feel, boosting the rider confidence while being a nifty platform for training and honing in the skills.

Air-cooled, 4-stroke, fun, and strong-pulling the 2007 MY TT-R90 comes with an easy-to-use semi-automatic 3-speed transmission which allows riders to focus on the track and care less about the secrets of the clutch work. built like a tank, this bike can take a lot of abuse and still work well in the backyard or on the track.

[[Category:Trial motorcycles]]
[[Category:Yamaha motorcycles]]
[[Category:2000s motorcycles]]
[[Category:Motorcycles needing images]]