19
QV-680
MAINTENANCE
Fuel tank cap
WARNING
Alternative fuels, such as E-20 (20 % ethanol),
E-85 (85 % ethanol) or any fuels not meeting
above requirements are NOT approved for
use in ECHO 2-stroke gasoline engines.
Use of alternative fuels may cause
performance problems, loss of power,
overheating, fuel vapor lock, and unintended
machine operation, including, but not limited
to, improper clutch engagement.
Alternative fuels may also cause premature
deterioration of fuel lines, gaskets, carburetor
and other engine components.
NOTE
• Use of non-recommended oils or failure to
follow mixing instructions voids the warranty.
• Do not mix fuel in engine fuel tank.
Mix fuel
(As Needed)
CAUTION
Follow all safety rules in safety section.
•
50 : 1 Mixture
Mix one part, “Specially blended ECHO branded
50 : 1 two-stroke engine oil,” with 50 parts
unleaded gasoline. (minimum octane-89)
Fuel statement
Gasoline
- Use 89 Octane [(R+M)/2] gasoline or
gasohol known to be good quality. Gasohol may
contain maximum 10 % ethyl (grain) alcohol or 15 %
MTBE (methyl tertiary-butyl either). Gasohol
containing methyl (wood) alcohol is not approved.
Two-stroke oil
- ECHO brand premium Power
Blend X™ two-stroke 50 : 1 oil is preferred. Mix oil
and gasoline/gasohol according to Instructions on
the oil container label.
Mixing instructions
1. Fill an approved fuel container with half of the
required amount of gasoline.
2. Add the proper amount of two-stroke oil to
gasoline.
3. Close container and shake to mix oil with
gasoline.
4. Add remaining gasoline, close fuel container,
and remix.
5. Install container cap and wipe up any spilled fuel
from container and area.
Fuel Mix Chart 50 : 1
U.S.
METRIC
Gasoline
Oil
Gasoline
Oil
Gallons
US. fl. oz.
L
mL
1
2.6
4
80
2
5.2
8
160
5
12.8
20
400
Refill fuel tank
(After Each Use)
1. Remove fuel tank cap.
2. Pour fuel/oil mixture into fuel tank.
3. Install fuel cap and wipe up any spilled fuel.
Check fuel system
• After refueling, make sure fuel does not leak from
around fuel pipe, fuel grommet or fuel tank cap.
• In case of fuel leakage there is a danger of fire.
Stop using the machine immediately and request
your dealer to inspect or replace.
IMPORTANT
Stored fuel ages.
Do not mix more fuel than you expect to use in
thirty (30) days, ninety (90) days when a fuel
stabilizer is added.
Stored two-stroke fuel may separate. ALWAYS
shake fuel container thoroughly before each use.
Summary of Contents for QV-680
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