Yamabiko ECHO SRM-420ES - Replacing Fuel Line, Fuel Return Line, Tank Vent Line and Grommet

SRM-420ES, SRM-420TES
T410S, B410S
T410TS, B410TS
28
FUEL SYSTEM
28
4-4 Replacing fuel line, fuel return line, tank vent line and grommet
1. Disconnect fuel line (A) from carburetor, and fuel
return line (B) from purge bulb.
2. Remove fuel line grommet (D) from fuel tank,
together with fuel line (A), fuel return line (B) and
tank vent line (C). Fuel strainer can be directly
pulled out through grommet hole.
3. Remove fuel line (E) from fuel line (A). Remove
fuel line (A), fuel return line (B) and tank vent line
(C) from fuel line grommet (D). If line is defective,
replace with a new one.
4. Insert new line and adjust length as follows:
Line (A) (B) (C)
Fuel line Fuel return
line
Tank vent
line
Black Yellow
(Transparent)
Black
Length 130 140 140
mm (in) (5.12) (5.51) (5.51)
Distance (a) (b) (c)
100 - 104 113 - 117 114 - 119
mm (in) (3.94 - 4.09) (4.45 - 4.60) (4.49 - 4.69)
C
A
D
B
b
a
c
A
B
C
D
C
E
D
A
B
E