Kawasaki 250 S 1 Mach I Weight (331lb)

Quick answer

Across the 1972, 1973 and 1974 model years, the Kawasaki 250 S 1 Mach I motorcycle has supplied wet/running weights ranging from 330.7 lb (150 kg) and dry weights ranging from 329.6 lb (149.5 kg), depending on model year.

Wet / running weight330.7 lb (150 kg)
Dry weight329.6 lb (149.5 kg)
Fuel capacity3.7 US gal (14 L)
Full tank fuel weight23 lb (10.4 kg)
Model years covered
197219731974

Kawasaki 250 S 1 Mach I weight overview

WHAT THIS MEANS

The weight is relatively manageable, so the bike should demand less effort than a heavyweight machine when backing up, parking or making slow-speed corrections.

Light Motorcycle

CATEGORY WEIGHT POSITION

How heavy is the Kawasaki 250 S 1 Mach I?

wet weight

Using a model-level wet weight comparison, the Kawasaki 250 S 1 Mach I is lighter than about 85.9% of 32 Kawasaki classic motorcycles with compatible weight data.

LighterTypicalHeavier
330.7 lb (150 kg)
32 Kawasaki classic motorcyclesMedian: 468.6 lb (212.6 kg)
WEIGHT VISUAL

Dry vs ready-to-ride weight

Wet / running weight330.7 lb (150 kg)
Dry weight329.6 lb (149.5 kg)
REAL-WORLD LOAD

Bike + rider total weight

These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.

150 lb rider480.7 lb (218 kg)bike + rider • bike is 68.8% of total mass
180 lb rider510.7 lb (231.6 kg)bike + rider • bike is 64.8% of total mass
210 lb rider540.7 lb (245.3 kg)bike + rider • bike is 61.2% of total mass

Kawasaki 250 S 1 Mach I weight & related specs

Model years covered 1972, 1973, 1974
Wet / running weight 330.7 lb (150 kg)
Dry weight 329.6 lb (149.5 kg)
Engine displacement 249 cc
Torque 18.3 lb-ft (24.8 Nm)
Fuel capacity 3.7 US gal (14 L)
Full-tank fuel weight (estimated) 23 lb (10.4 kg)

Weight changes by model year

The available comparable weight figures do not show a meaningful year-to-year change.

Useful weight calculations

Torque per 100 lb 5.53 lb-ft / 100 lb
Displacement per pound 0.75 cc / lb
Weight per 100 cc 132.8 lb / 100 cc
Fuel weight as % of bike weight 7%
Weight with full tank 352.6 lb (159.9 kg)

What the weight numbers tell you

Using a model-level wet weight comparison, the Kawasaki 250 S 1 Mach I is lighter than about 85.9% of 32 Kawasaki classic motorcycles with compatible weight data.
The listed fuel tank capacity is 3.7 US gal (14 L). A full tank of gasoline is estimated to weigh about 23 lb (10.4 kg), which helps explain part of the difference between dry and ready-to-ride mass.

Kawasaki 250 S 1 Mach I weight FAQ

What is the Kawasaki 250 S 1 Mach I dry and wet weight?

Across the covered 1972-1974 years, listed wet/running weight is 330.7 lb (150 kg) and listed dry weight is 329.6 lb (149.5 kg). Check the year-change section because the exact figure can vary by model year.

Is the Kawasaki 250 S 1 Mach I lighter or heavier than other Kawasaki classic motorcycles?

It is comparatively light for this Kawasaki category. The model lands near the 14th percentile for weight in the compatible dataset.

Which Kawasaki 250 S 1 Mach I years have different weight specs?

No clear weight change appears in the usable model-year data. Other specifications may still differ by year.

How much does a full tank add to the Kawasaki 250 S 1 Mach I?

Based on the supplied 3.7 US gal (14 L) tank capacity, the gasoline itself weighs about 23 lb (10.4 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.

What is the combined Kawasaki 250 S 1 Mach I and rider weight?

Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 510.7 lb (231.6 kg) before riding gear, luggage or a passenger.

What does the Kawasaki 250 S 1 Mach I weigh with a full tank?

The page calculates about 352.6 lb (159.9 kg) with a full tank by adding the listed fuel mass to the dry figure. Treat this as a practical estimate, not an official Kawasaki curb-weight number.

What is the Kawasaki 250 S 1 Mach I torque-to-weight ratio?

Where compatible torque and weight figures are available, the model works out to 5.53 lb-ft per 100 lb. This gives more context than torque alone because it relates engine twist to the mass it has to move.

How large is the Kawasaki 250 S 1 Mach I engine for its weight?

The available figures work out to 0.75 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.

Is the Kawasaki 250 S 1 Mach I above or below the typical Kawasaki classic motorcycle weight?

Compared with the median Kawasaki classic motorcycle weight of 468.6 lb (212.6 kg), the model is roughly 137.9 lb (62.6 kg) lighter.

Official information note

Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Kawasaki website.