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WARNING!
Alternative fuels, such as E15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting Shindaiwa require-
ments are NOT approved for use in Shindaiwa 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, carbure-
tors and other engine components.
Fuel Requirements
Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up to
10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood alcohol) is
NOT approved.
Hybrid 4
TM
Mixture Oil - Engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345/FD standards must be
used. Shindaiwa highly recommends using Shindaiwa Red Armor
TM
engine oil in all Shindaiwa Hybrid 4
TM
engines to
protect the engine from harmful carbon build up, maintain engine performance, and increase engine life. Shindaiwa
Red Armor
TM
engine oil exceeds ISO-L-EGD and J.A.S.O. M345/FD performance requirements. Engine problems
due to inadequate lubrication caused by failure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345/FD certi-
ed oil will void the engine warranty.
Mixing Fuel
Examples of 50:1 mixing quantities
IMPORTANT!
Shindaiwa Red Armor
TM
engine oil may be mixed at 50:1 ratio for application
in all Shindaiwa engines sold in the past, regardless of ratio specied in those
manuals.
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. Use of unmixed, improp-
erly mixed, or stale fuel, may cause hard starting, poor performance, or severe
engine damage and void the product warranty. Read and follow instructions in
the Long Term Storage section of this manual.
Remove air
cleaner cover
4-6 mm
(3/16”-1/4”)
Throttle Trigger
Free Play
Adjust Throttle Trigger Free Play
The throttle trigger free play should be
approximately 4 - 6 mm (3/16” - 1/4”).
Make sure that the throttle lever oper-
ates smoothly without binding. If it
becomes necessary to adjust the lever
free play, follow the procedures and
illustrations that follow.
Loosen the air cleaner cover knob 1.
and remove the air cleaner cover.
Turn the cable adjuster in or out as 2.
required to obtain proper free play
4-6 mm.
Reinstall the air cleaner cover.3.
Cable
Adjuster
Adjust as required for
4-6 mm free play
Assembly (continued)