Stihl MS 251 User Manual

MS 251, MS 251 C
English
60
Users of this unit should carry out only
the maintenance operations described
in this manual. Other repair work may be
performed only by authorized STIHL
service shops.
Warranty claims following repairs can be
accepted only if the repair has been
performed by an authorized STIHL
servicing dealer using original STIHL
replacement parts.
Original STIHL parts can be identified by
the STIHL part number, the {
logo and, in some cases, by the STIHL
parts symbol K. The symbol may
appear alone on small parts.
Observe all country-specific waste
disposal rules and regulations.
STIHL products must not be thrown in
the garbage can. Take the product,
accessories and packaging to an
approved disposal site for environment-
friendly recycling.
Contact your STIHL servicing dealer for
the latest information on waste disposal.
Your Warranty Rights and Obligations
The U.S. Environmental Protection
Agency (EPA) and STIHL Incorporated
are pleased to explain the Emission
Control System Warranty on your
equipment type engine. In the U.S. new
1997 and later model year small off-road
equipment engines must be designed,
built and equipped, at the time of sale, to
meet the U.S. EPA regulations for small
non road engines. The equipment
engine must be free from defects in
materials and workmanship which
cause it to fail to conform with U.S. EPA
standards for the first two years of
engine use from the date of sale to the
ultimate purchaser.
STIHL Incorporated must warrant the
emission control system on your small
off-road engine for the period of time
listed below provided there has been no
abuse, neglect or improper maintenance
of your small off-road equipment engine.
Your emission control system includes
parts such as the carburetor and the
ignition system. Also included may be
hoses, and connectors and other
emission-related assemblies.
Where a warrantable condition exists,
STIHL Incorporated will repair your
small off-road equipment engine at no
cost to you including diagnosis (if the
diagnostic work is performed at an
authorized dealer), parts and labor.
Maintenance and Repairs Disposal
000BA073 KN
STIHL Incorporated Federal
Emission Control Warranty
Statement

Stihl MS 251 Specifications

General

Idle speed	2800 RPM
Motor type	2-stroke motor
Chain pitch	1/308 \
Blade length	450 mm
Product color	Black, Grey, Orange
Motor speed (max)	10000 RPM
Oil tank capacity	0.2 L
Fuel tank capacity	0.39 L
Engine displacement	45.6 cm³
Kickback protection	Yes
Engine power	3 hp
Power source	Gasoline
Sound power level	114 dB
Vibration emission	3.9 m/s²
Sound pressure level	103 dB

Weight and Dimensions

Weight	4900 g