Side view of a Husqvarna string trimmer with ergonomic handle and cutting head.

Grass Trimmers

Parts, manuals and support for 525LS

All the support you need for 525LS. Manuals, spare parts, guides, how-to’s, and more.

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Manuals & Documents

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Warranty

All you need to know about Husqvarna’s warranty policy and the service provided by us within the warranty period.

Warranty policy
Warranty service

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If your product is broken and you wish to claim your warranty, it must always be examined by a dealer.
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General questions

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Specifications

25.4 cc, Straight Shaft Trimmer
966 78 16‑01
Engine

Output shaft power

1.34 hp

Cylinder displacement

1.55 cu.inch

Maximum rpm output shaft

6,500 rpm

Fuel tank volume

17.25 fl oz

Fuel tank volume

0.51 l
25.4 cc, Straight Shaft Trimmer
966 78 16‑01
Capacity

Cutting width

18.1 in
25.4 cc, Straight Shaft Trimmer
966 78 16‑01
Dimensions

Weight (excl. cutting equipment)

10.14 lbs

Tube diameter

0.94 in

Product size length

70.43 in
25.4 cc, Straight Shaft Trimmer
966 78 16‑01
Equipment

Gear ratio

19

Drive gear angle

30 °
25.4 cc, Straight Shaft Trimmer
966 78 16‑01
Emission

Exhaust emissions (CO₂ EU V)

1,141 g/kWh
25.4 cc, Straight Shaft Trimmer
966 78 16‑01
Vibration

Equivalent vibration level (ahv, eq) front handle

3 m/s²

Equivalent vibration level (ahv, eq) rear handle

2.8 m/s²
25.4 cc, Straight Shaft Trimmer
966 78 16‑01
Sound and noise

Sound power level, guaranteed (LWA)

107 dB(A)

Sound pressure level at operators ear (LpA)

98 dB(A)
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