Honda TLM50 1983

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

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).

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

Model		A-AD07
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 model		AD07E (air-cooled 2-stroke piston reed valve)
Displacement(cm3 )		49
Inner Diameter x Stroke (mm)		39.0×41.4
Compression Ratio		7.3
Max output (PS/rpm)		4.8/7,000
Max torque (kg-m/rpm)		0.52/6,500
Carburetor model		PF13
Starting method		Primary kick
Ignition method		Contactless CDI
Lubrication method		Separate lubrication method
Lubricant tank capacity (L)		0.7
Fuel tank capacity (L)		4.0
Clutch type		Wet multi-plate coil spring
Transmission type		Constant mesh 5-speed return
Transmission ratio	1st	4.000
	2 speed	2.769
	3 speed	1.882
	4 speed	1.130
	5 speed	0.960
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 format		Semi-double cradle