Engine and Transmission
2009 Yamaha TT-R125E
Displacement: 124cc
Type: air-cooled SOHC 4-stroke; 2 valves
Bore x Stroke: 54.0mm x 54.0mm
Compression Ratio: 10.0:1
Carburetion: Mikuni® VM20
Ignition: CDI
Transmission: Constant-mesh 5-speed; multiplate wet clutch
Final Drive: Chain
Chassis and Dimensions
2009 Yamaha TT-R125LE
Suspension/Front: Telescopic fork; 7.1-in travel
Suspension/Rear: Single shock; 6.3-in travel (LE: 6.6-in travel)
Brakes/Front: 110mm drum (LE: 220mm single disc)
Brakes/Rear: 110mm drum
Tires/Front: 70/100-17 40M (LE: 70/100-19 42M)
Tires/Rear: 90/100-14 49M (LE: 90/100-16 52M)
Length: 72.6 in (LE: 74.2 in)
Width: 30.9 in (LE: 31.3 in)
Height: 41.7 in (LE: 42.7 in)
Seat Height: 30.5 in (LE: 31.7 in)
Wheelbase: 49.2 in (LE: 50.0 in)
Ground Clearance: 10.4 in (LE: 11.6 in)
Fuel Capacity: 1.6 gal
Wet Weight: 198 lb
Key Features:
Big fun for the whole family in a small package, the YZ-styled four-stroke-powered TT-R125s beg to be ridden by everyone from bigger kids to adults.
A seat height of less than 32 inches makes these accessible to most riders, but over 10 inches of ground clearance and long-travel suspension at both ends mean they’re also serious trail bikes.
The full-boat “LE” model features pushbutton electric start, 19- and 16-inch wheels for great handling, an aluminum swingarm, adjustable suspension calibrated for aggressive and/or bigger riders and a 220mm front disc brake.
“E” model features pushbutton electric starting, a 17- and 14-inch wheel combination for confidence-building handling for novice riders and drum brakes for consistent, predictable stops.
Engine:
Potent, 124cc air-cooled SOHC four-stroke powerplant puts out torquey, broadband power tuned for maximum off-road performance in a wide range of trail conditions.
20mm Mikuni® carburetor ensures crisp, dependable throttle response.
Smooth-shifting, five-speed transmission with heavy-duty clutch is geared for maximum versatility and usable power delivery.
CDI ignition system is ultra-reliable and never needs maintenance.
Automatic cam chain tensioner means minimal maintenance and longer engine life.
Easy-access, tool-free air filter adds extra convenience during maintenance.
Chassis/Suspension:
Rigid frame design features a long wheelbase to accommodate bigger riders while maintaining quick, agile off-road handling.
31mm telescopic front fork with 7.1 inches of travel on all three models for plush, confidence-inspiring control over rough terrain.
TT-R125LE features preload adjustability and slightly stiffer settings than the TT-R125E, for even more aggressive off-road performance and handling.
Smaller, 17-inch front and 14-inch rear wheels on the 125E inspire great rider confidence by keeping the seat low and the steering light.
Big 19-inch front and 16-inch rear wheels on the 125LE mean great handling and terrainability combined with sharp, predictable steering.
Single rear shock with 6.6 inches of travel on the 125LE, also firmer settings than the TT-R125E to provide predictable handling for the aggressive rider.
Box-section swingarm features snail-type chain adjusters for quick and easy chain adjustments.
TT-R125LE features lightweight aluminum box-section swingarm for reduced unsprung weight and optimum suspension performance.
Front and rear brakes deliver strong, dependable stopping power.
Knobby tires offer superb grip and exceptional wear.
Additional Features:
Long, YZ-style seat is low, comfortable and allows easy rider movement.
Gripper-style seat aids seat-of-the-pants feel.
Team Yamaha–inspired colors, graphics and front and side number plates create styling similar to larger YZ lineup.
Sleek, narrow fuel tank helps create big-bike look and feel.
Large, folding, cleated footpegs provide excellent footing even in wet or muddy conditions.
Durable fork boots ensure excellent fork seal and stanchion tube protection.
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