Edgers · part-number series 4144

FS 70 C, FS 70 RC

13 exploded views, 269 part numbers.

Factory tuning settings

Idle speed	2,800 rpm
Max speed	10,000 rpm
Confidence	sourced

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 21
B Rewind starter ErgoStart/Easy2Start 13
C Muffler 7
D Ignition system, Clutch 16
E Engine housing (Bike handle) 14
F Engine housing (Loop handle) 26
G Air filter, Spacer flange 16
H Carburetor C1M-S207, C1M-S145C 34
J Carburetor C1M-S208, C1M-S146C California 33
K Drive tube assembly, Loop handle 17
L Bike handle 25
M Gear head, Deflector 25
N Tools, Extras 22

Others on part-number series 4144

These share the powerhead, so a sheet you cannot find here may be filed under one of them. That does not make every part interchangeable — check yours.

· FC 56 10
· FS 40, FS 40 C, FS 50, FS 50 C 12
· FS 56, FS 56 C, FS 56 R, FS 56 RC 14
· KM 56 C, KM 56 RC 15
· FC 70 C 10
· HT 56 C 12

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