a1 size 841×594 eng gx25/gx35 - visman covisman-co.com/other/service/service_pdf/component layout...

© Honda Motor Co., Ltd. Power Product Service Division. GX25/GX35 LIQUID GASKET 6.4 N‧m (0.65 kgf‧m,4.1lbf‧ft) 3.4 N‧m (0.3 kgf‧m,2.5lbf‧ft) 15 N‧m (1.55 kgf‧m,17lbf‧ft) 22.6 N‧m (2.3 kgf‧m,16.7lbf‧ft) GX-35 14.7 N‧m (1.49 kgf‧m,10.71lbf‧ft) GX-25 12 N‧m (1.2 kgf‧m,2.2lbf‧ft) 3.0 N‧m (0.3 kgf‧m,2.2lbf‧ft) 6.4 N‧m (0.65 kgf‧m,4.7lbf‧ft) 6.4 N‧m (0.65 kgf‧m,4.7lbf‧ft) 4.4 N‧m (0.45 kgf‧m,3.2lbf‧ft) 6.4 N‧m (0.65 kgf‧m,4.7lbf‧ft) 3.0 N‧m (0.3 kgf‧m,2.2lbf‧ft) 3.0 N‧m (0.3 kgf‧m,2.2lbf‧ft) 4.9 N‧m (0.45 kgf‧m,3.2lbf‧ft) THROTTLE STOP SCREW Adjustment: Start the engine and allow it to warm up to normal operating temperature.Then,adjust the idle speed by turning the throttle stop screw right or left. Honda recommends that you use API SERVICE category SF or SG oil. Set the oil seal on the crankshaft. Install by aligning the oil seal projection with the groove in the cylinder barrel. Standard idle speed 3.100±200rpm CYINDER HEAD CENTER ADJUSTING SCREW ADJUSTING SCREW LOCK NUT To increase valve clearance,screw out. To decrease valve clearance,screw in. 0.3-0.5mm (0.012-0.020 in) Specified clearance 0.2-0.4mm (0.008-0.016 in) GX25 GX35 FEELER GAUGE MAGNETIC PARTS 0.2-0.4mm (0.008-0.016 in) 0.2-0.4mm (0.008-0.016 in) CAM PULLEY TIMING BELT PISTON CRANKSHAFT 10mm(0.4 in) CYLINDER BARREL BREATHER TUBE 12.3×2.4mm O-RING CARBURETOR GASKET 10W-30 -30 -20 -10 0 10 20 30 40℃ -20 0 20 40 60 80 100℉ “ ” MARK “ ” or “R” MARK O-RING INLET SCREEN INLET NEEDLE VALVE METERING DIAPHRAGM METERING LEVER PIN METERING LEVER SPRING METERING LEVER METERING DIAPHRAGM GASKET PUMP DIAPHRAGM MAIN JET PUMP SPRING PUMP GASKET SOLVENT ENGINE OIL SQUEEZE THOROUGHLY AIR CLEANER COVER OIL FILLER NECK AIR CLEANER ELEMENT TORQUE:4.9N‧m(0.5Kgf‧m,3.9lbf‧ft) Standard valve clearance 0.08±0.02mm 0.11±0.02mm IN EX Spark plug gap 0.6– 0.7mm (0.024– 0.028 in) Standard spark plug CMR5H (NGK) ALIGNMENT MARK CRANKSHAFT/CAMPULLEY CRANKSHAFT/PISTON CARBURETOR DISASSEMBLY/REASSEMBLY CARBURETOR REMOVAL/INSTALLATION ENGINE OIL AIR CLEANER SPARK PLUG ADJUSTMENT THE IDLE SPEED IGNITION COIL AIR GAP VALVE CLEARANCE

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Page 1: A1 SIZE 841×594 ENG GX25/GX35 - Visman Covisman-co.com/other/service/Service_PDF/Component Layout GX25,35.… · (1.49 kgf‧m,10.71lbf‧ft) GX-25 12 N‧m (1.2 kgf‧m,2.2lbf‧ft)

GX25/GX35A1 SIZE 841×594 ENG

LIQUID GASKET

6.4 N‧m(0.65 kgf‧m,4.1lbf‧ft)

3.4 N‧m(0.3 kgf‧m,2.5lbf‧ft)

15 N‧m(1.55 kgf‧m,17lbf‧ft)

22.6 N‧m(2.3 kgf‧m,16.7lbf‧ft) GX-3514.7 N‧m(1.49 kgf‧m,10.71lbf‧ft) GX-25

12 N‧m(1.2 kgf‧m,2.2lbf‧ft)

3.0 N‧m(0.3 kgf‧m,2.2lbf‧ft)

6.4 N‧m(0.65 kgf‧m,4.7lbf‧ft)

4.4 N‧m (0.45 kgf‧m,3.2lbf‧ft)

6.4 N‧m(0.65 kgf‧m,4.7lbf‧ft)

3.0 N‧m(0.3 kgf‧m,2.2lbf‧ft)

4.9 N‧m (0.45 kgf‧m,3.2lbf‧ft)

THROTTLE STOP SCREW

Adjustment:Start the engine and allow it to warm up to normal operating temperature.Then,adjust the idle speed by turning the throttle stop screw right or left.

Honda recommends that you use API SERVICE category SF or SG oil.

Set the oil seal on the crankshaft.

Install by aligning the oil seal projection with the groove in the cylinder barrel.

Standard idle speed 3.100±200rpm

CYINDER HEAD CENTER

ADJUSTINGSCREW

ADJUSTINGSCREWLOCK NUT

To increase valve clearance,screw out.To decrease valve clearance,screw in.

0.3-0.5mm (0.012-0.020 in)

Specified clearance

0.2-0.4mm (0.008-0.016 in)

GX25