Bar And Chain Combinations - Stihl MS 651 Instruction Manual

20 Bar and Chain Combinations

– Dry weight without guide bar and saw chain
7.3 kg
– Max. fuel tank capacity: 850 cc (0.85 l)
– Maximum oil tank capacity: 400 cm³ (0.4 l)
19.2 Chain Sprockets and Chain
Speeds
The following chain sprockets may be used:
– 7-tooth for 3/8"
– Maximum chain speed according to
ISO 11681: 27.5 m/s
– Chain speed at maximum power: 21.7 m/s
– 7-tooth for 404"
– Maximum chain speed according to
ISO 11681: 30.3 m/s
– Chain speed at maximum power: 23.9 m/s
19.3 Minimum Groove Depth of
Guide Bars
The minimum groove depth depends on the pitch
of the guide bar.
– 3/8": 6 mm
– 404": 7 mm
19.4 Sound Values and Vibration
Values
– Sound pressure level L
to ISO 22868: 107 dB(A). The K value for the
sound pressure level is 2 dB(A).
– Sound power level L
ISO 22868: 120 dB(A). K-value (uncertainty)
for sound power level is 2 dB(A).
– Vibration level a measured according to
hv
ISO 22867:
for 3/8"
– Handlebar: 6.9 m/s². The K value for the
vibration level is 2 m/s².
– Control handle: 6.9 m/s². The K value for
the vibration level is 2 m/s².
– Vibration level a measured according to
hv
ISO 22867:
for .404":
20 Bar and Chain Combinations
20.1 STIHL MS 651 Chainsaw
Pitch Drive link
gauge/groove
width
3/8" 1.6 mm
0458-784-0121-C
measured according
pA
measured according to
wA
Length Guide bar
Duromatic
45 cm
Rollomatic ES
Duromatic
50 cm
– Handlebar: 7.4 m/s². The K value for the
vibration level is 2 m/s².
– Control handle: 7.4 m/s². The K value for
the vibration level is 2 m/s².
– Vibration level a measured according to
hv
ISO 22867:
for .404" with loop handle:
– Handlebar: 8.3 m/s². The K value for the
vibration level is 2 m/s².
– Control handle: 7.4 m/s². The K value for
the vibration level is 2 m/s².
For information on compliance with Employers'
Vibration Directive 2002/44/EC see
www.stihl.com/vib.
19.5 REACH
REACH is an EC regulation and stands for the
Registration, Evaluation, Authorisation and
Restriction of Chemical substances.
For information on compliance with the REACH
regulation see www.stihl.com/reach.
19.6 Exhaust Emissions
The CO value measured in the EU type appro‐
2
val procedure is specified at www.stihl.com/co2
in the product-specific technical data.
The measured CO value was determined on a
2
representative engine in accordance with a
standardised test procedure under laboratory
conditions and does not represent either an
explicit or implied guarantee of the performance
of a specific engine.
The applicable exhaust emission requirements
are fulfilled by the intended usage and mainte‐
nance described in this instruction manual. The
type approval expires if the engine is modified in
any way.
Nose Number of
sprocket drive links
teeth
-
11
-
English
Saw chain
66 36 RM (type
3652)
36 RS (type
66
3621)
36 RM (type
72
3652)
29