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SPECIFICATIONS

○Code “CS” of model name means “Chain saw”

Model

CS51EA (40S)

 

CS51EA (45S)

CS51EA (50S)

Type of equipment

 

 

Chain saw, portable

 

Engine Size (cm3)

 

 

50.1

 

Spark Plug

 

 

NGK BPMR-7A

 

Fuel Tank Capacity (cm3)

 

 

530

 

Chain Oil Tank Capacity (cm3)

 

 

270

 

Dry Weight (kg)

 

 

5.1

 

(Without guide bar and chain)

 

 

 

 

 

 

 

Chain pitch (mm)

 

 

8.26

 

Chain gauge (mm)

 

 

1.27

 

Sound pressure level LpA (dB (A)) by ISO 22868

 

 

104

 

Equivalent

 

 

 

Uncertainty

 

 

1

 

Sound power level LwA (dB (A)) by ISO 22868

 

 

113

 

Measured

 

 

 

Uncertainty

 

 

2

 

Sound power level LwA (dB (A)) by 2000/14/EC

 

 

114

 

Measured

 

 

 

Guaranteed

 

 

117

 

Vibration level (m/s2) by ISO 22867

3.3

 

3.3

3.3

Front handle

 

Rear handle

2.7

 

2.7

2.7

Uncertainty

0.8

 

0.8

0.8

Guide bar length (mm)

400

 

450

500

Type of chain

95VPX

 

20BPX

(Oregon)

 

(Oregon)

 

 

Max. engine power

 

 

2.5

 

by ISO 7293 (kW)

 

 

 

 

 

 

 

Max. engine speed (min-1)

 

 

13500

 

Idle engine speed (min-1)

 

 

3000

 

Specific fuel consumption at maximum engine

 

 

439

 

power (g/kWh)

 

 

 

 

 

 

 

Max. chain speed (m/sec)

 

 

26.0

 

Sprocket (number of teeth)

 

 

7

 

NOTE: Equivalent noise level/vibration levels are calculated as the time-weighted energy total for noise/vibration levels under various working conditions with the following time distribution: 1/3 idle, 1/3 full, 1/3 racing speed.

*All data subject to change without notice.

ASSEMBLY PROCEDURES

WARNING

Never try to start engine without side case, bar and chain securely fastened.

1. Pull the front hand guard (2) toward the front handle to check that the chain brake is disengaged. (Fig. 2)

2

2.Remove guide bar clamp nuts (3). Remove the side case (4). (Fig. 3)

4

3

Fig. 3

Fig. 2

5