1
3 4 6 7 8 10 11 9 Fuel filter Solvent Check for cracks Check for cracks Clean the main jet passage Check metering lever distance Metering lever Pump body 0.3 mm. 1.18-1.50 mm. Check for wear of valve and valve seat valve valve seat Clean or replace Check for damage Check for damage Adjust idle speed 3,100 ± 200 rpm. Throttle stop screw Check for crack Replace OK Carburettor Check Sheet GX25 - GX35 Caution Point • Fuel Flow Chart FUEL COMPRESSION IGNITION COMBUSTION ELEMENTS If the engine will not start, before inspecting the fuel system, check that the engine has sufficient compression and a strong spark. 5 8 9 Priority check Points : 1 Swivel Free play 0.5-2.5 mm. Throttle cable end Return AIR In 10 7 4 8 6 5 9 3 2 1 2 5 Fuel filter Primer pump Metering lever Operate primer pump Engine running Do not adjust idle needle pin during carburetor mainte- nance. The pump and metering diaphragms are made of rubber. Rubber deterio- rates over time, so check and replace these parts if necessary. Do not apply high air pres- sure to plastic and rubber parts. Check for cracks, holes, tears and general perishing of the rubber parts. Clean with a soft brush. If the engine will be stored, or not used for more than 1 month, drain the fuel to prevent hard starting. 1. Drain fuel from tank 2. Drain fuel from carburetor 3. Drain fuel from fuel tank again 4. Keep engine in shady ventilated storage Do not use old fuel Fuel deteriorates quickly Old fuel makes engines very difficult to start Always use fresh fuel Inspection point Hard to prime with primer pump Engine does not start Idle speed is not stable High speed is not stable Engine does not accelerate Overflow AIR AIR Combination valve Main jet Inlet needle valve Fuel inlet filter Pump diaphragm Throttle stop screw Shroud Metering diaphragm Printed In Belgium - Published by: Honda Europe NV European Engine Center - Specifications can be changed without notice - Edition: 7744 Nov. 2012 www.honda-engines-eu.com

Carburettor Check Sheet GX25 - GX35 - Соларей ЕООДhonda-solaray.bg/userfiles/editor/file/Carburettor check sheet GX25... · Carburettor Check Sheet GX25 - GX35 Caution

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Page 1: Carburettor Check Sheet GX25 - GX35 - Соларей ЕООДhonda-solaray.bg/userfiles/editor/file/Carburettor check sheet GX25... · Carburettor Check Sheet GX25 - GX35 Caution

3 4 6 7 8 10 119

Fuel filter

Solvent

Check for cracks Check for cracks Clean themain jet passage Check metering lever distance

Metering lever Pump body0.3 mm.

1.18-1.50 mm.

Check for wearof valve andvalve seat

valve

valve seat

Clean or replace Check for damage Check for damage Adjust idle speed3,100 ± 200 rpm.

Throttle stop screw

Check for crack

Replace OK

Carburettor Check Sheet GX25 - GX35

Caution Point

• Fuel Flow ChartFUEL

COMPRESSION IGNITION

COMbUSTION ELEMENTS

If the engine will not start, before inspecting the fuel system, check that the engine has sufficient compression and a strong spark.

5 8 9Priority check Points :

1

Swivel

Free play 0.5-2.5 mm.

Throttle cable end

Return

AIR

In

10

7

4

8

6

5

9

3

2

1 2 5Fuel filter

Primer pump

Metering lever

Operate primer pump

Engine running

Do not adjust idle needle pin during carburetor mainte-nance.

The pump and metering diaphragms are made of rubber. Rubber deterio-rates over time, so check and replace these parts if necessary.

Do not apply high air pres-sure to plastic and rubber parts.

Check for cracks, holes, tears and general perishing of the rubber parts. Clean with a soft brush.

If the engine will be stored, or not used for more than 1 month, drain the fuel to prevent hard starting.

1. Drain fuel from tank 2. Drain fuel from carburetor

3. Drain fuel from fuel tank again

4. Keep engine in shady ventilated storage

Do not use old fuelFuel deteriorates quicklyOld fuel makes engines very difficult to startAlways use fresh fuel

Inspectionpoint

Hard to prime with primer pump

Engine does not start

Idle speed is not stable

High speed is not stable

Engine does not accelerate

Overflow

AIR AIR

Combination valve

Main jetInlet needle

valveFuel inlet

filterPump

diaphragmThrottle

stop screwShroud

Metering diaphragm

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www.honda-engines-eu.com