These are the known mechanical and performance specifications for your 1979 Suzuki RM 80.
Basic Specs
Engine
Displacement79.00 ccm (4.82 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke
Valves/Cylinder
FuelingCarburettor. Mikuni
IgnitionMagneto
ExhaustSuzuki Offroad Pipe with Spark Arrestor
Lubrication
CoolingAir
Chassis
Frame TypeTubular Steel
Rake
Trail
Front SuspensionLong Travel Offroad ´Zonker´ Air Forks
Front Travel
Rear SuspensionTru-Trac Dual Adjustable Shock With Swing Arm
Rear Travel
Seat
Seat Height719 mm (28.3 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height970 mm (38.2 inches)
Total Length1,715 mm (67.5 inches)
Total Width775 mm (30.5 inches)
Ground Clearance
Wheelbase1,171 mm (46.1 inches)
Dry Weight61.7 kg (136.0 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesExpanding brake (drum brake). Single Leading Shoe
Front Brake Diameter110 mm (4.3 inches)
Rear BrakesExpanding brake (drum brake). Single Leading Shoe
Rear Brake Diameter110 mm (4.3 inches)
Wheels
Comments
This is all the information that I have been able to accumulate over the period of about one year. Any additional spec sheet information would be appreciated.