Honda TLM50 1983

Information About 1983 Honda TLM50 (A-AD07) Specs & Trial Motorcycle Photos

Honda TLM50 (A-AD07) 1983
Honda TLM50 (A-AD07) picture.
Model year: 1983. Color: Red
Honda TLM50 model year 1983 is a lightweight and slim entry-level trial motorcycle equipped with an air-cooled 2-stroke 49cc engine.

Released in December 20th 1983, the TLM50 was the first 50cc trial model since the Bials TL50. However, while the Bials TL50 was a 4-stroke engine, the TLM50 was equipped with an air-cooled 2-stroke engine. Although it was a 2-stroke trial machine, it was equipped with a device (HERP) that pushed the air-fuel mixture back into the combustion chamber to increase the charging efficiency. In addition, although it was an introductory model, the rear suspension adopted a mechanism that could adjust the shock absorption performance in five stages according to the situation. Equipped with a 5-speed transmission and a plastic skid plate at the bottom of the engine. Despite its slim body, the fuel tank capacity is 4 liters. 30km/h constant driving fuel consumption is 60km per liter.

This Honda TLM50 was developed as a sports bike that can be enjoyed in a wide range of ways, from full-scale trials to touring. The engine is equipped with a new 2-cycle 49cc engine with * HERP that exhibits tenacious output characteristics even at low speeds. The rear suspension adopts a mechanism that allows the shock absorption performance to be adjusted in 5 stages according to the purpose of use.
In addition, the body adopts a lightweight, highly rigid, slim semi-double cradle type. Furthermore, the steering wheel turning angle is set at 62 degrees to the left and right from the center, and combined with a minimum ground clearance of 305 mm and large-diameter wheels (front 2.50-21, rear 3.50-18), it is a full-fledged car even in the 50cc class. It is a bike that can be used for trials.

*HERP, an abbreviation of Honda Energy Resonance Pipe, is a device that pushes the air-fuel mixture back into the cylinder and promotes charging efficiency into the combustion chamber even at low speeds.

Honda TLM50 Price at 1983

Sales plan (domestic/annual) : 18,000 units planned.
National Standard Cash Price : 179,000 yen (excluding Hokkaido, Okinawa and some other remote islands).

1983 Honda TLM50
Photo of 1983 Honda TLM50 photo.
Body color: white.

Other Key Features of Honda TLM50

○ Lightweight and slim body design (dry weight 73 kg).
○ Equipped with a meter visor that can be shared with the number plate.
○Headlights (25/25W) use resin lenses to reduce weight.
○ Uses a plastic skit plate to guard the engine on rough roads.
Equipped with an easy-to-read and functional small meter and indicator lamp.
○ Uses 95φ small diameter drum brakes on the front and rear wheels.

1983 Honda TLM50 (A-AD07) Main Specifications

Total length (m)1.985
Width (m)0.825
Total height (m)1.070
Length (m)1.290
Minimum ground clearance (m)0.305
Seat height (m)750
Vehicle weight (kg)78
Dry weight (kg)73
Capacity (persons)1
Fuel consumption (km/L)60.0 (30km/h level running test value)
Slope climbing ability (tanθ)0.57 (about 29 degrees)
Minimum turning radius (m)1.6
Engine modelAD07E (air-cooled 2-stroke piston reed valve)
Displacement(cm3 )49
Inner Diameter x Stroke (mm)39.0×41.4
Compression Ratio7.3
Max output (PS/rpm)4.8/7,000
Max torque (kg-m/rpm)0.52/6,500
Carburetor modelPF13
Starting methodPrimary kick
Ignition methodContactless CDI
Lubrication methodSeparate lubrication method
Lubricant tank capacity (L)0.7
Fuel tank capacity (L)4.0
Clutch typeWet multi-plate coil spring
Transmission typeConstant mesh 5-speed return
Transmission ratio1st4.000
2 speed2.769
3 speed1.882
4 speed1.130
5 speed0.960
Reduction ratio (primary)4.583
Caster (degrees)25°00′
Trail (mm)68
Tire size(Front) 2.50-21-4PR/(Rear) 3.50-18-4PR
Brake type(Front) Mechanical leading trailing/
(Rear) Mechanical leading trailing
Suspension method(Front) Telescopic (coil spring)/
(Rear) Swing arm (coil spring)
Frame formatSemi-double cradle


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