Small Engine Parts
Honda G300 Parts  
Find Honda G300 parts lookup by OEM part number in the G300 parts list below.  
Small Engine Parts                                             Parts Lookup                                             Honda Parts
Note. The following part numbers may or may not fit all G300 models as per illustrated parts list specifications.

Common parts list:
15721-889-010 TUBE, BREATHER
17210-890-505 ELEMENT, AIR CLEANER (Optional).
17210-890-505 ELEMENT, AIR CLEANER Use up to Engine SN 1407166  
17210-890-505 ELEMENT, AIR CLEANER Use from Engine SN 1407167.
17218-890-003 FILTER (OUTER)  
17218-890-505 FILTER (OUTER)
17220-890-003 HOUSING, AIR CLEANER
17230-890-731 COVER, AIR CLEANER (Optional).
17231-890-003 COVER, AIR CLEANER
17232-890-010 GROMMET, AIR CLEANER
90203-PB2-000 NUT, AIR CLEANER COVER
15721-889-010 TUBE, BREATHER (Optional).
15721-889-611 TUBE, BREATHER (Optional).    
17211-889-000 ELEMENT, AIR CLEANER (Optional)
17212-889-000 GRID, AIR CLEANER (Optional).
17220-889-000 HOUSING, AIR CLEANER (Optional).
17231-889-000 COVER, AIR CLEANER (Optional).
174A0-889-000 BODY KIT, AIR CLEANER (Optional). Use up to Engine SN 1177540.
17401-873-004XC HOUSING, AIR CLEANER *NH31R* (MCKINLEY WHITE) (Optional). Use up to Engine SN 1177540.   
17401-889-000 BODY, AIR CLEANER (Optional). Use from Engine SN 1177541.
17403-728-000 ELEMENT, AIR CLEANER (Optional). Use from Engine SN 1177541.
17411-889-000 ELBOW, AIR CLEANER (Optional).
17412-873-000 GASKET, IN. ELBOW (Optional). Use up to Engine SN 1177540.
30580-889-733 MODULE, IGNITION CONTROL (CDI)
30586-889-730 STAY, IGNITION CONTROL MODULE (CDI)
30590-889-732 COIL ASSY., EXCITER
30600-841-000 TERMINAL ASSY., IGNITION (NOT AVAILABLE) Use up to Engine SN 1440678.     
30600-889-003 TERMINAL ASSY., IGNITION Use from Engine SN 1440679.
30700-865-013 CAP ASSY., NOISE SUPPRESSOR (Optional).
30702-890-000 CLAMP, IGNITION WIRE
14110-889-030 CAMSHAFT ASSY.
14711-889-000 VALVE, IN.
14721-889-000 VALVE, EX. Use up to Engine SN 1113122.
14721-899-000 VALVE, EX. Use from Engine SN 1113123.
14721-899-000 VALVE, EX. Use from Engine SN 1113123.
14732-889-000 LIFTER, VALVE (45.89MM) (Optional)
14737-889-000 LIFTER, VALVE (46.04MM) (Optional)
14742-889-000 LIFTER, VALVE (46.19MM) (Optional)
14747-889-000 LIFTER, VALVE (46.34MM) (Optional)
14751-890-000 SPRING, VALVE
14771-883-305 RETAINER, VALVE SPRING Use up to Engine SN 1113122.
14771-883-305 RETAINER, VALVE SPRING Use from Engine SN 1113123.
14771-889-000 RETAINER, VALVE SPRING Use from Engine SN 1113123.
14781-889-000 ROTATOR, EX. VALVE Use from Engine SN 1113123.
16511-883-300 WEIGHT, GOVERNOR
16531-890-000 SLIDER, GOVERNOR
16541-889-010 SHAFT, GOVERNOR ARM
16010-883-015 GASKET SET Use up to Engine SN BB33A B.
16013-883-005 FLOAT SET (CARBURETOR NO.) Use up to Engine SN BB33A B.
16016-890-005 SCREW SET A (CARBURETOR NO.) Use up to Engine SN BB33A A.
16016-890-015 SCREW SET A (CARBURETOR NO.) Use from Engine SN BB33A B to BB33A B.
16028-ZK7-S91 SCREW SET Use up to Engine SN BB33A B.
16028-ZK7-S91 SCREW SET Use up to Engine SN BB33A B.
16044-889-005 CHOKE SET (CARBURETOR NO.) Use up to Engine SN BB33A B.
16100-889-065 CARBURETOR ASSY. (BB33A B) Use up to Engine SN 1094287.
16155-883-005 VALVE, FLOAT (CARBURETOR NO.) Use up to Engine SN BB33A B.
16166-889-005 NOZZLE, MAIN (CARBURETOR NO.) Use up to Engine SN BB33A B.
16211-889-000 INSULATOR, CARBURETOR Use up to Engine SN 1094287.
16212-889-800 GASKET, INSULATOR Use up to Engine SN 1094287.
16221-890-800 GASKET, CARBURETOR Use up to Engine SN 1094287.
16221-890-800 GASKET, CARBURETOR Use up to Engine SN 1094287.
16269-890-800 GASKET, AIR CLEANER Use up to Engine SN 1094287.
16269-890-800 GASKET, AIR CLEANER Use up to Engine SN 1094287.
16598-889-731 STAY, CHOKE CONTROL Use up to Engine SN 1094287.
16611-889-000 ROD, CHOKE CONTROL Use up to Engine SN 1094287.  
16613-890-000 GROMMET, CHOKE ROD Use up to Engine SN 1094287.
99101-124-0750 JET, MAIN (#75) (Optional). Use up to Engine SN BB33A B.
99101-124-0780 JET, MAIN (#78) (Optional). Use up to Engine SN BB33A B.
99101-124-0800 JET, MAIN (#80) (Optional). Use up to Engine SN BB33A B.
99101-124-0820 JET, MAIN (#82) (Optional). Use up to Engine SN BB33A B.
99101-124-0850 JET, MAIN (#85) Use up to Engine SN BB33A B.
16551-889-010 ARM, GOVERNOR
16555-889-010 ROD, GOVERNOR
16561-890-010 SPRING, GOVERNOR Use up to Engine SN 1094198.
16561-890-601 SPRING, GOVERNOR Use from Engine SN 1094199.
16562-889-000 SPRING, THROTTLE RETURN Use up to Engine SN 1028288.
16562-889-010 SPRING, THROTTLE RETURN Use from Engine SN 1028289 to 1094198.
16570-883-010 CONTROL ASSY. (Optional). Use from Engine SN 1395996.
16570-883-W10 CONTROL ASSY.
16571-883-310 LEVER, CONTROL
16571-883-310 LEVER, CONTROL (Optional). Use from Engine SN 1395996.
16574-883-300 SPRING, LEVER
16574-883-300 SPRING, LEVER (Optional). Use from Engine SN 1395996.
16576-883-300 SPACER, CONTROL LEVER
16576-883-300 SPACER, CONTROL LEVER (Optional). Use from Engine SN 1395996.
16581-883-320 BASE, CONTROL LEVER
16581-883-320 BASE, CONTROL LEVER (Optional). Use from Engine SN 1395996.
16582-883-300 HOLDER, CONTROL CABLE
16582-883-300 HOLDER, CONTROL CABLE (Optional). Use from Engine SN 1395996.
16584-883-300 SPRING, CONTROL ADJUSTING
16584-883-300 SPRING, CONTROL ADJUSTING (Optional). Use from Engine SN 1395996.
16592-883-310 SPRING, CABLE RETURN (Optional). Use from Engine SN 1395996.
11310-889-721 COVER, CRANKCASE
11381-889-800 GASKET, CASE COVER
15620-890-000 CAP, OIL FILLER (YELLOW)
15621-896-010 GASKET, OIL FILLER CAP Use from Engine SN 1115443.
91201-890-003 OIL SEAL (30X46X8)
96100-62060-00 BEARING, RADIAL BALL (6206)
13310-889-721 CRANKSHAFT
96100-62050-00 BEARING, RADIAL BALL (6205)
11211-822-306 GASKET, OIL PAN (Optional).       
12100-889-335 CYLINDER (CRANKSHAFT P.T.O.)
12100-889-335 CYLINDER (CRANKSHAFT P.T.O.) Use up to Engine SN 1103202.
12100-889-345 CYLINDER Use from Engine SN 1103203.
12134-889-305 GUIDE, VALVE (Optional).
12221-889-315 CYLINDER HEAD
12281-889-315 GASKET, CYLINDER HEAD
12360-889-010 CASE, BREATHER Use up to Engine SN 1136497.
12360-889-010 CASE, BREATHER Use from Engine SN 1136498.
12361-889-000 COVER, TAPPET ROOM
12367-883-003 FILTER, BREATHER Use from Engine SN 1136498.
12369-883-000 SEAL, BREATHER Use from Engine SN 1136498.
12375-889-000 GASKET, TAPPET COVER Use up to Engine SN 1136497.
12375-889-000 GASKET, TAPPET COVER Use from Engine SN 1136498.
15611-921-000 CAP, OIL (YELLOW) (Optional).
15632-890-010 PIPE, OIL (Optional).
90131-896-650 BOLT, DRAIN PLUG (12X15)
91201-Z0T-801 OIL SEAL (25X41X6)
91201-Z0T-801 OIL SEAL (25X41X6)
91301-028-000 O-RING (27X2.0)
91301-805-000 O-RING (26X2.7) (Optional).
98076-54710 SPARK PLUG (B-4H) (NGK) (Optional).
98076-54716 SPARK PLUG (BR-4HS) (NGK) (Optional).
98076-54720 SPARK PLUG (W14F-U) (DENSO) (Optional).
98076-54757 SPARK PLUG (W14FR-U) (Optional).
98076-54917 SPARK PLUG (BPR4HS-10) (Optional).
98076-54919 SPARK PLUG (BP4HS-10) (Optional).
98076-54921 SPARK PLUG (W14FP-UL10) (DENSO) (Optional).
98076-54954 SPARK PLUG (W14FPR-UL10) (DENSO) (Optional).
98076-56724 SPARK PLUG (W20FS-U) (DENSO) (Optional).
98076-56927 SPARK PLUG (W20FPR-U10) (DENSO) (Optional).
19631-889-000 SHROUD
19643-883-010 GROMMET, TOP COVER
30701-883-000 CLIP, IGNITION WIRE (8MM)
36100-887-721 SWITCH ASSY., ENGINE STOP Use from Engine SN 1398677.
36100-889-791 SWITCH ASSY., ENGINE STOP Use up to Engine SN 1398676.  
91406-671-000 CLIP, WIRE HARNESS
35100-880-672 SWITCH ASSY., COMBINATION (Optional). Use up to Engine SN 1440678.
35100-880-673 SWITCH ASSY., COMBINATION (Optional). Use from Engine SN 1440679.
35111-880-003 KEY (Optional).
35111-880-013 KEY (Optional).
28451-889-000 PULLEY, STARTER Use up to Engine SN 1105245.
28451-889-010 PULLEY, STARTER Use from Engine SN 1105246.    
31100-889-010 FLYWHEEL (Optional).
31100-889-731 FLYWHEEL (C.D.I.)
31100-889-813 FLYWHEEL (C.D.I.)(STARTER)  
90201-ZE3-790 NUT, SPECIAL (16MM)  
13331-357-000 KEY, SPECIAL WOODRUFF (25X18)
16080-883-005 GASKET SET, PETCOCK
16081-471-831 FUEL STRAINER
16081-471-831 FUEL STRAINER
16950-883-035 PETCOCK ASSY.
16950-898-633 PETCOCK ASSY.
16950-898-633 PETCOCK ASSY.
16950-883-663 PETCOCK ASSY.
16950-889-015 PETCOCK ASSY.  
16952-883-005 SCREEN SET
17510-890-030ZA TANK, FUEL *NH31* (MCKINLEY WHITE) Use up to Engine SN 1375543.
17510-890-690XC TANK, FUEL (LONG TAIL) Use up to Engine SN 2015021.
17510-890-691ZA TANK, FUEL *NH31* (MCKINLEY WHITE) Use from Engine SN 2015022.
17516-890-000 FUEL TANK
17620-ZH7-023 CAP, FUEL FILLER (BLACK) Use from Engine SN 1099093 to 1407166.
17620-ZH7-023 CAP, FUEL FILLER (BLACK) Use from Engine SN 1407167.
17620-402-010 CAP, FUEL FILLER Use up to Engine SN 1099092.
17630-890-692 GAUGE, FUEL (ENGLISH)
17631-329-003 GASKET, FUEL FILLER CAP (39X58X3)
17672-880-000 FILTER, FUEL
17673-893-000 HOLDER, FUEL FILTER
94050-08080 NUT, FLANGE (8MM)
95001-45003-60M BULK HOSE, FUEL (4.5X3000) (4.5X85)
95002-02080 CLIP, TUBE (B8)
16080-890-691 GASKET SET, PETCOCK
16950-890-693 PETCOCK ASSY.
06111-889-405 GASKET KIT
30211-889-000 COVER, BREAKER (Optional).   
30215-889-000 GASKET, BREAKER COVER (Optional).
30251-883-003 CONDENSER (Optional). Use from Engine SN 1546272.
30280-883-005 POINTS ASSY. (Optional).
30560-889-801 COIL ASSY., IGNITION (Optional).
30563-890-003 GROMMET, WIRE (Optional).
30600-841-000 TERMINAL ASSY., IGNITION (Optional). Use up to Engine SN 1440678.  
30600-889-003 TERMINAL ASSY., IGNITION (Optional). Use from Engine SN 1440679.
30700-865-013 CAP ASSY., NOISE SUPPRESSOR (Optional).
30702-890-000 CLAMP, IGNITION WIRE (Optional).
31630-890-801 COIL ASSY., CHARGE (SILICON RECTIFIER) (Optional).
18310-890-000 MUFFLER
18310-890-731 MUFFLER (Optional). Use up to Engine SN 1007390.
18310-890-732 MUFFLER (Optional). Use from Engine SN 1007391 to 1023749.
18310-890-733 MUFFLER (Optional). Use from Engine SN 1023750 to 1058336.
18310-890-734 MUFFLER (Optional). Use from Engine SN 1058337 to 1100475.
18310-890-696 MUFFLER (ARRESTER) (Optional). Use from Engine SN 1100476.
18320-889-010 MUFFLER
18320-890-731 MUFFLER (Optional).
18323-889-000 PROTECTOR, FR. MUFFLER  
18325-889-000 PROTECTOR, R. MUFFLER
18330-889-000 PROTECTOR, L. MUFFLER
18331-889-010 DEFLECTOR, MUFFLER (Optional)
18336-890-000 FLANGE, BAFFLE (Optional). Use from Engine SN 1100476.
18361-890-730 PROTECTOR A, MUFFLER (Optional).  
18365-890-730 PROTECTOR B, MUFFLER (Optional).
18381-889-800 GASKET, MUFFLER
18381-889-800 GASKET, MUFFLER
13010-YA1-003 RING SET, PISTON (STD)
13011-YA1-003 RING SET, PISTON (0.25) (Optional).
13011-YA1-003 RING SET, PISTON (OS 0.25) (Optional). Use up to Engine SN 1061637.
13012-YA1-003 RING SET, PISTON (0.50) (Optional).
13012-889-003 RING SET, PISTON (0.50) (Optional). Use up to Engine SN 1061637.
13013-YA1-003 RING SET, PISTON (0.75) (Optional).
13013-YA1-003 RING SET, PISTON (0.75) (Optional). Use up to Engine SN 1061637.
13101-889-010 PISTON (STD)
13102-889-010 PISTON (0.25) (Optional).
13103-889-010 PISTON (0.50) (Optional).
13104-889-010 PISTON (0.75) (Optional).
13111-369-000 PIN, PISTON
13200-889-030 ROD ASSY., CONNECTING Use from Engine SN 1050167.
13200-889-305 ROD ASSY., CONNECTING (UNDER SIZE) Use up to Engine SN 1024467.
13200-889-315 ROD ASSY., CONNECTING (UNDER SIZE) (Optional). Use from Engine SN 1024468 to 1050166.
13200-889-335 ROD ASSY., CONNECTING (UNDER SIZE) (Optional). Use from Engine SN 1050167.
13200-889-428 ROD ASSY., CONNECTING (UNDER SIZE) (Optional). Use up to Engine SN 1050166.
13200-889-505 ROD ASSY., CONNECTING Use up to Engine SN 1050166.
94601-16000 CLIP, PISTON PIN (16MM)
28400-YA1-R00ZB STARTER ASSY., RECOIL *R280* (POWER RED)
28400-889-950H STARTER ASSY., RECOIL (Optional). Use up to Engine SN 1114713.
28400-889-952ZA STARTER ASSY., RECOIL *R8* (BRIGHT RED) (Optional). Use from Engine SN 1114714.
28410-889-010ZA CASE, STARTER *R8* (BRIGHT RED)
28420-889-010 REEL, STARTER
28422-889-013 RATCHET
28424-883-000 BOSS, REEL
28425-889-300 BUSH, RATCHET
28427-883-300 BUSH, REEL STARTER
28431-883-000 PLATE, FRICTION Use up to Engine SN 1105405.
28432-883-000 PLATE, FRICTION Use from Engine SN 1105406.
28441-883-020 SPRING, FRICTION
28442-883-000 SPRING, RETURN
28461-883-000 GRIP, STARTER Use up to Engine SN 1115472.
28461-883-T20 GRIP, STARTER Use from Engine SN 1115473.
28462-ZE1-003 ROPE, RECOIL STARTER
28463-883-000 SUPPORT, GRIP
28467-889-000 PLATE, SIDE Use from Engine SN 1072936 to 1101742.  
28467-889-010 PLATE, SIDE Use from Engine SN 1101743.     
28470-816-000 ROPE, STARTER
28474-YA0-N40 COVER, STARTER REEL
28474-YA0-N40 COVER, REEL STARTER
28607-889-950 SPRING, ROPE GUIDE