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Honda GX340 Generator Set

The Honda GX340 is a 10.7 kW (125 kVA) Unleaded gasoline (86 pump octane) prime generator set powered by a Honda GX340 engine. It is available at 125 V and 125/250 V, single-phase. It holds about 1.16 L (0.3 gal) of oil. The set weighs about 31.5 kg (69 lb). The same GX340 engine also powers generator sets from Cummins/Onan.

0.39 L
Displacement
1.16 L
Oil capacity
1
Document types

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On this pageService partsSpecsEngineMaintenanceDocumentsFAQ

Service parts for the GX340

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required
17210-ZE3-505Air filter$14.67eBay

Fuel system

1 required
17672-ZE2-W01Fuel filter$12.95eBay

Electrical

1 required
0612-6748Batterysee priceAmazon

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelUnleaded gasoline (86 pump octane)
Prime power10 kW
Oil capacity1.16 L
Voltage options125 V, 125/250 V
PhaseSingle
Circuit breaker[20, 30] A
Dry weight31 kg

Engine

Honda GX340
Oil capacity1.16 L
Displacement0.39 L
AspirationForced-air
Rated speed3600 rpm

Maintenance & consumables

for the Honda GX340
ItemSpecCapacityPart #Interval
Air filterAir filter17210-ZE3-505 Amazon Amazon eBay $21.84 eBay $14.67 FridayParts $19.50
Fuel filterFuel strainer17672-ZE2-W01 Amazon eBay $12.95 FridayParts $11.00
Oil filter—200 hr
BatteryDisconnect both generator set starting battery cables before performing maintenance. Remove the negative (-) cable first to reduce the risk of arcing.0612-6748 Amazon eBay
Belt—3600 hr
Coolant—3600 hr
OilHonda 4-stroke oil or equivalent1.1 L—200 hr
Spark plugNGK WlGEPR-U—3600 hr

Common questions

What engine does the Honda GX340 use?

The Honda GX340 is powered by the Honda GX340 engine.

What fuel does the Honda GX340 use?

The Honda GX340 runs on Unleaded gasoline (86 pump octane).

How much oil does the Honda GX340 take?

The Honda GX340 engine in the Honda GX340 has an oil capacity of 1.16 liters.

What fuel filter fits the Honda GX340?

The Honda GX340 uses fuel filter part number 17672-ZE2-W01.

What air filter fits the Honda GX340?

The Honda GX340 uses air filter part number 17210-ZE3-505.

Parts

44
Part #DescriptionQtySystem
11381-ZE3-801Gasket, sump cover1Gasket Amazon eBay $8.99
12251-ZE3-000Gasket, cylinder head1Gasket Amazon eBay $6.00
12391-ZE2-020Gasket, rocker cover1Gasket Amazon eBay $13.99
15510-ZE2-033Oil level switch1Sensor Amazon eBay $7.79
16220-ZA0-702Gasket, air cleaner housing1Gasket Amazon eBay $11.50 FridayParts $33.22
16221-ZF6-800Gasket, carb1Gasket Amazon eBay $5.99
16223-ZE3-W00Gasket, carb insulator1Gasket Amazon eBay $5.95
17210-ZE3-505Air filter1Air filter Amazon Amazon eBay $21.84 eBay $14.67 FridayParts $19.50
17672-ZE2-W01Fuel strainer1Fuel filter Amazon eBay $12.95 FridayParts $11.00
18333-ZE3-800Gasket, muffler pipe1Gasket Amazon Amazon eBay $10.78
18381-ZE2-W10Gasket, muffler1Gasket Amazon eBay $10.34
28400-ZE3-W01ZAStarter assy., NEW STYLE1Starter Amazon eBay $15.14
28422-ZE2-W01Starter pawl1Starter Amazon Amazon eBay $15.99 eBay $15.99
28434-ZE8-811Starter pawl retainer1Starter Amazon eBay $21.91
28442-ZE2-W01Starter spring1Starter Amazon Amazon eBay $8.99 eBay $8.99
28443-ZE2-W01Starter pawl spring1Starter Amazon Amazon eBay $8.70 eBay $8.70
28451-ZE3-A02Starter cup1Starter Amazon eBay $34.75
30500-ZE2-023Ignition coil1Sensor Amazon eBay $12.49 FridayParts $12.11
31ZH9600Spark arrester screen1Spark plug Amazon eBay
90003-ZG0-003Starter center screw1Starter Amazon eBay $12.50
91201-ZE3-004Oil seal PTO1Seal Amazon eBay $8.95 FridayParts $9.98
95/27.5Rated Amps1Rated current a buy
95001-45300-40SFuel line1Hose Amazon eBay $50.00
04108-ZE2-000Rocker cover1Service part / kit Amazon eBay $19.87
13010-ZE3-003Ring set (std)1Service part / kit Amazon eBay $26.00
13101-ZE3-W00Piston (std)1Service part / kit Amazon eBay $29.95 FridayParts $89.99
13200-ZE3-020Connecting rod (std)1Service part / kit Amazon eBay $35.95
14711-ZE3-000Valve, intake1Service part / kit Amazon eBay $31.59
14721-ZE3-000Valve, exhaust1Service part / kit Amazon eBay $29.54
1560-735-00Oil cap and indicator1Service part / kit Amazon eBay
15600-ZG4-003Oil cap1Service part / kit Amazon eBay $11.35
16100-ZE3-V01Carb assy.1Service part / kit Amazon eBay $105.99
16610-ZE1-000Choke lever1Service part / kit Amazon eBay $9.98
16955-ZE1-000Fuel tank joint1Service part / kit Amazon eBay $19.95 FridayParts $11.50
17510-ZE3-010Fuel tank1Service part / kit Amazon eBay $28.99
17620-ZH7-023Fuel cap1Service part / kit Amazon eBay $9.20 KuduParts $11.00
18310-ZE2-W61Muffler assy.1Service part / kit Amazon eBay $15.59
18320-ZE3-W01Muffler shield1Service part / kit Amazon eBay $30.00
18330-ZH9-N00Muffler pipe1Service part / kit Amazon eBay $19.99
19610-ZE3-010ZABlower housing1Service part / kit Amazon eBay
30009010Pilot screw1Service part / kit Amazon eBay
34150-ZH7-003Diode assy1Service part / kit Amazon Amazon eBay $25.99 eBay $11.99
36100-ZE1-015Switch, on/off1Service part / kit Amazon eBay $9.75
96100-62070-000Ball bearing, crankshaft1Service part / kit Amazon eBay

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Owner's manual — HONDA Owners Manual GX240 GX270 GX340 GX390 1990 (Honda)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter 17210-ZE3-505$14.67
Fuel filter 17672-ZE2-W01$12.95
2 priced items$27.62
Other sets with this engine
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