1968 Yamaha AS1 Specs

motorcycle specs

These are the known mechanical and performance specifications for your 1968 Yamaha AS1.

Basic Specs

Year1968
MakeYamaha
ModelYamaha AS1
Cost

Engine

Displacement125.00 ccm (7.63 cubic inches)
Type
DetailsTwin, two-stroke
Max RPM8500
Compression7.0:1
Bore/Stroke43.0 x 43.0 mm (1.7 x 1.7 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionPoints
ExhaustTwin chrome
LubricationAutolube
CoolingAir

Drivetrain

Gearbox5-speed
Final DriveChain
Clutch
Driveline

Performance

Horespower15.00 HP (10.9 kW)
Torque12.74 Nm (1.3 kgf-m or 9.4 ft.lbs)
Top Speed120.7 km/h (75.0 mph)

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity9.46 litres (2.50 gallons)
Emissions

Chassis

Frame TypeSteel tube
Rake
Trail
Front SuspensionTelescopic
Front Travel
Rear SuspensionSwinging arm, coil spring oil damper
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,011 mm (39.8 inches)
Total Length1,854 mm (73.0 inches)
Total Width671 mm (26.4 inches)
Ground Clearance150 mm (5.9 inches)
Wheelbase1,072 mm (42.2 inches)
Dry Weight98.0 kg (216.0 pounds)
Wet Weight

Wheels & Brakes

Front Tire/Tyre-20.5
Rear Tire/Tyre
Front BrakesExpanding brake (drum brake). single leading shoe
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels

Comments

It appears you're interested in specifications for the Yamaha AS1. This Sport touring model is powered by a Twin, two-stroke engine with 125.00 ccm (7.63 cubic inches) of actual displacement before 7.0:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 15.00 HP (10.9 kW) horsepower and 12.74 Nm (1.3 kgf-m or 9.4 ft.lbs) torque. According to our records engine heat of the Yamaha AS1 is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is -20.5 and the rear is . The entire package is supported by the frame, Steel tube. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake). single leading shoe front brakes and Expanding brake (drum brake) rear brakes. The Yamaha AS1 was launched in 1968, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.

Great classic