Clearing Saws · part-number series 4116

FS 360, FS 420, FS 420 L · FS 500, FS 550, FS 550 L

28 exploded views, 832 part numbers.

FS 360, FS 420, FS 420 L

A Crankcase, Cylinder 39
B Rewind starter, Muffler 33
C Ignition system 26
D Tank housing 31
E Carburetor HD-3B 39
F Air filter, Shroud 33
G Drive tube assembly, Clutch housing 37
J Handlebar, Control handle 37
K Control handle (29.2002) 21
M Gear head 32
O Deflector 29
P Tools, Extras 36

Factory tuning settings

Idle speed	2,500 rpm
Max speed	12,500 rpm
L screw (low speed)	1/4 turn
H screw (high speed)	1/4 turn
Confidence	sourced

Screw figures are turns open from lightly seated. Set the final mixture by ear and tachometer against the machine in front of you — running a two-stroke lean to hit a published number is how pistons get scored.

A Crankcase, Cylinder 28
B Rewind starter, Muffler 29
C Ignition system, Clutch 23
D Tank housing 24
E Carburetor HD-31, HD-22 41
F Carburetor HD-23 1 57 307 792 (29.2002) 38
G Air filter, Shroud 34
H Clutch housing, AV system 31
J Drive tube assembly 14
K Handlebar, Control handle 37
L Control handle 1 57 307 792 (29.2002) 21
M Gear head 27
N Gear head (29.2002), 1 48 729 574 (02.2001) 15
O Deflector 29
P Deflector (34.1999), (33.1998) 16
Q Tools, Full harness 32

Parts are not interchangeable across series — check yours before ordering.