Operating Guide

Table Of Contents
28 – English
TECHNICAL DATA
1141329-49 2019-04-19
Technical data
NOTE! This spark ignition system complies with the Canadian ICES-002 standard.
Note 1: Reported data for equivalent sound pressure level for the machine has a typical statistical dispersion (standard
deviation) of 1 dB (A).
Note 2: Reported data for equivalent vibration level has a typical statistical dispersion (standard deviation) of 1 m/s
2
.
Technical data 525RX 525RXT 525RK
Engine
Cylinder displacement, cu.in/cm
3
1,55/25,4 1,55/25,4 1,55/25,4
Cylinder bore, inch/mm 1,34/34 1,34/34 1,34/34
Stroke, inch/mm 1.10/28 1.10/28 1.10/28
Idle speed, rpm 3000 3000 3000
Recommended max. speed, rpm 9500/11000 9500/11000 9500/11000
Trimmer head/Grass blade
Speed of output shaft, rpm 6500/7500 6500/7500 6500/7500
Trimmer head/Grass blade
Max. engine output, acc. to ISO 8893, kW/ rpm 1.0/8500 1.0/8500 1.0/8500
Catalytic converter muffler Yes Yes Yes
Speed-regulated ignition system Yes Yes Yes
Emissions Durability Period according to California Air
Resources Board, h.
300 300 300
Ignition system
Manufacturer of ignition system IKEDA/UK IKEDA/UK IKEDA/UK
Spark plug NGK BPMR8Y NGK BPMR8Y NGK BPMR8Y
Electrode gap, inch/mm 0.026/0,65 0.026/0,65 0.026/0,65
Fuel and lubrication system
Manufacturer/type of carburetor Walbro WTEA-8C Walbro WTEA-8C Walbro WTEA-8C
Fuel tank capacity, US pint/litre 1,08/0,51 1,08/0,51 1,08/0,51
Weight
Weight without fuel, cutting attachment and guard, Lbs/
kg
11.2/5,1 11.9/5,4 12.3/5,6
Sound levels
(see note 1)
Equivalent sound pressure level at the operator’s ear,
measured according to ISO 22868, dB(A):
Equipped with trimmer head (original) 98 98 98
Vibration levels
(see note 2)
Equivalent vibration levels (a
hv,eq
) at handles, measured
according to ISO 22867, m/s
2
Equipped with trimmer head (original), left/right 2,1/2,3 1,8/1,9 2.1/1.9