Yamaha rd125

Yamaha RD125 (1973-1982)

SpecificationsRD125 (1973-1982)
EngineAir-cooled 2-stroke single
Displacement123 cc (7.51 cu in)
Bore and stroke54 mm (2.13 in) x 54 mm (2.13 in)
Compression ratio7.5:1
Power10 hp (7.5 kW) at 8,500 rpm
Torque7.8 lb⋅ft (10.6 N⋅m) at 7,000 rpm
IgnitionCDI
CarburetionMikuni VM22
ClutchWet multi-plate
Transmission5-speed
Final driveChain
FrameSingle backbone
SuspensionFront: Telescopic fork, 35 mm (1.4 in) travel
Rear: Twin shocks, 80 mm (3.1 in) travel
BrakesFront: Drum
Rear: Drum
WheelsFront: 14 inches
Rear: 14 inches
TiresFront: 2.75-14
Rear: 3.00-14
Seat height30.3 inches (770 mm)
Wheelbase54.3 inches (1,380 mm)
Rake and trail26° / 3.9 inches (99 mm)
Dry weight242 lb (109 kg)
Fuel capacity2.6 US gal (9.8 L)
Oil capacity3.0 US qt (2.8 L)
Gear ratios1st: 2.38
2nd: 1.66
3rd: 1.25
4th: 1.00
5th: 0.86
Performance
TestResult
0-60 mph10.5 seconds
Top speed80 mph (129 km/h)
Fuel economy55 mpg (23 kmpl)
Oil Details
| Type | SAE 30 |
| Capacity | 3.0 US qt (2.8 L) |

Yamaha RD125 motorcycle

The RD125 was a more powerful version of the RD50. It was powered by a 125cc air-cooled engine that produced 10 horsepower. The RD125 was a popular choice for teenagers and young adults. It was a fun and fast bike, but it was also not very comfortable to ride for long periods of time.

Pros:

More powerful than the RD50
Fun and fast
Reliable and durable
Cons:

Not very comfortable to ride for long periods of time
Not a good choice for beginners

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