Honda GX390H1 User Manual

3-2
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MAINTENANCE
MAINTENANCE
MAINTENANCE SCHEDULE
(1) Service more frequently when used in dusty areas.
(2) For commercial use, log hours of operation to determine proper maintenance intervals.
(3) In Europe and other countries where the machinery directive 2006/42/EC is enforced, this service should be done by your
servicing dealer.
(*) Internal vent carburetor with dual element type only.
(**) Replace paper element type only.
REGULAR SERVICE PERIOD (2)
Each
use
First
month
or
20 hrs.
Every
3
months
or
50 hrs.
Every
6
months
or
100 hrs.
Every
year
or
300 hrs.
Refer
to
page
ITEM Perform at every indicated
month or operating hour
interval, whichever comes
first.
Engine oil Check level 3-3
Change 3-3
Reduction case oil
(applicable types)
Check level 3-4
Change 3-5
Air cleaner Check 3-6
Clean (1) (*)(1) 3-6
(Cyclone type) Every 6 months or 150 hours 3-6
Replace (**) 3-6
(Cyclone type) Every 2 years or 600 hours 3-6
Sediment cup Clean 3-9
Spark plug Check–adjust 3-9
Replace 3-11
Spark arrester
(If equipped)
Clean
(3) 3-12
Idle speed Check–adjust 3-13
Valve clearance Check–adjust 3-13
Combustion chamber Clean After every 1,000 hours 3-15
Fuel tank and filter Clean 3-15
Fuel tube Check Every 2 years (Replace if necessary) 3-16
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Honda GX390H1 Specifications

General

Brand	Honda
Model	GX390H1
Category	Engine
Language	English