1972 Honda SL350

1972 Honda SL350

The 1972 1972 Honda SL350 is a 325cc twin-cylinder dual-sport that became one of Honda's most memorable motorcycles of the 1970s.

Specifications

Engine

Type
SOHC twin
Displacement
325 cc
Cylinders
2
Power
33 hp @ 9500 rpm
Torque
27.0 Nm
Compression
Bore × Stroke
64.0 × 50.6 mm
Cooling
Air-cooled
Fuel System
2x Keihin carburetors

Chassis & Transmission

Frame
Steel semi-double cradle
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Drum
Rear Brake
Drum
Front Tyre
Rear Tyre
Transmission
5-speed
Final Drive
Chain

Performance

Top Speed
140 km/h (87 mph)
¼ Mile

Dimensions & Weight

Dry Weight
149 kg (328 lbs)
Wet Weight
163 kg (359 lbs)
Seat Height
830 mm
Wheelbase
1350 mm
Ground Clearance
Fuel Capacity
10.5 L

History & Story

In 1972, Honda launched the 1972 Honda SL350 — a dual-sport that would come to define an era of motorcycling. Hailing from Japan, it combined Japan engineering with dual-sport appeal.

Powering the 1972 Honda SL350 is a 325cc SOHC twin producing 33hp. This twin-cylinder engine uses air-cooled cooling and draws fuel through 2x Keihin carburetors. A 5-speed gearbox sends power via chain final drive to the rear wheel.

The chassis employs a steel semi-double cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from drum front and drum rear brakes. Tipping the scales at 149 kg (328 lbs) dry, the 1972 Honda SL350 offers a manageable riding experience with a 1350 mm wheelbase.

Performance-wise, the 1972 Honda SL350 achieves a claimed top speed of 140 km/h (87 mph). With a fuel capacity of 10.5 liters, it offers reasonable range for dual-sport duties. The seat height of 830 mm makes it comfortable for most riders.

Known Issues

  • Cam chain tensioner wear
  • Charging system can be weak on early models

Fun Facts

  • The 1972 Honda SL350 was produced in Honda's Japan facilities
  • The 1972 Honda SL350 featured a steel semi-double cradle frame typical of 1970s design philosophy

Collector Information

Parts Availability
Moderate
Collector Rating
4/10

Resources & Parts