Engine start and battery charging system of motorcycle Honda CRF1000L Africa Twin (2015-2020)

Service information — electric starter
General Notice: If the current is kept flowing through the starter motor causing it to turn while the engine is not cranking over, the starter motor may be damaged. The starter motor can be serviced with the engine installed in the frame. Always...

Troubleshooting — electric starter
Troubleshooting Unusual conditionProbable cause (Check in numerical order) Starter motorStarter motor does not turn1. Loose or poor contact on related connectors and terminals 2.Blown fuse 3. Weak battery 4. Faulty starter relay switch 5. Faulty...

System location — electric starter
System location

System diagram — electric starter
CRF1000/A: Bl: Black; G: Green R: Red; Y: Yellow; W: White; Gr: Gray Br: Brown; Lg: Light green CRF1000D: Bl: Black; G: Green R: Red; Y: Yellow; W: White; Gr: Gray Br: Brown; Lg: Light green

Starter motor — removal/installation
Removal/installation Remove the battery box (page 21-6). Remove the bolts [1] and starter motor [2]. Remove the O-ring [1]. Installation is in the reverse order of removal. Note: Replace the O-ring with a new one. Apply engine oil to the new O-ring....

Starter relay switch — removal/installation
Removal/installation Remove the socket bolt [1]. Remove the battery box cover [2] by releasing the tab [3]. Release the starter relay switch [1] from the battery box. Remove the starter relay switch cover [2]. Disconnect the starter relay switch 4P...

Neutral diode (CRF1000/A) — removal/installation
Removal/installation Remove the main seat (page 2-4). Open the fuse box cover and remove the neutral diode [1]. Installation is in the reverse order of removal. Inspection Check for continuity between the diode terminals. When there is continuity, a...

Starter relay (CRF1000D) — removal/installation
Removal/installation Remove the right side cover (page 2-11). Release the starter relay [1]/cover [2] from the frame and remove the cover. Remove the starter relay from the relay connector. Relay inspection Remove the starter relay (page 6-9). Refer...

Service information — alternator/starter clutch
General This section covers service of the alternator and starter clutch. All service can be done with the engine installed in the frame. For alternator inspection (page 21-9). For CKP sensor inspection (page 5-7). For starter motor service (page...

Troubleshooting — alternator/starter clutch
Starter motor turns, but engine does not turn Faulty starter clutch Damaged starter reduction gear/shaft Damaged starter idle gear/shaft Damaged or faulty starter motor pinion gear Damaged starter driven gear

Component location — alternator/starter clutch
Component location

Alternator cover — removal/installation
Removal/installation (CRF1000/A) Drain the engine oil (page 3-12). Remove the left rear cover (page 2-10). Remove the gearshift spindle cover (page 12-17). Disconnect the EOP switch terminal (page 22-19). Disconnect the VS sensor 3P (Black)...

Stator/CKP sensor — removal/installation
Removal/installation Remove the alternator cover. CRF1000/A (page 11-4) CRF1000D (page 11-5) Release the wire grommet [1] from the alternator cover groove. Remove the CKP sensor mounting bolts [2]. Remove the stator mounting bolts [3]. Remove the...

Flywheel — removal, installation and inspection
Removal Remove the alternator cover. CRF1000/A (page 11-4) CRF1000D (page 11-5) Remove the starter gear shaft [1] and starter reduction gear B [2]. Remove the starter reduction gear shaft [3] and starter reduction gear A [4]. Hold the flywheel [1]...

Starter clutch — removal, installation and inspection
Removal Remove the flywheel (page 11-7). Make sure that the starter driven gear [1] turns counterclockwise smoothly and does not turn clockwise. Remove the starter driven gear while turning the starter driven gear counterclockwise. Hold the flywheel...

Service information — battery/charging system
General Warning: The battery gives off explosive gases; keep sparks, flames and cigarettes away. Provide adequate ventilation when charging. The battery contains sulfuric acid (electrolyte). Contact with skin or eyes may cause severe burns. Wear...

Troubleshooting — battery/charging system
Battery is damaged or weak 1. Battery test Remove the battery (page 21-5). Check the battery condition using the recommended battery tester. RECOMMENDED BATTERY TESTER: BM-210 or BATTERY MATE or equivalent Is the battery good condition? YES − GO TO...

System location — battery/charging system
System location

System diagram — battery/charging system
System diagram Bl: Black; G: Green; R: Red; Y: Yellow

Battery — removal/installation
Battery removal/installation Remove the bolts [1]. Remove the tool box band [2] by releasing tab [3] from the guide [4]. Remove the tool box [5]. Always turn the ignition switch OFF before removing the battery. Open the battery box lid [1]. Remove...

Charging system inspection
Current leakage test Open the battery box lid (page 21-5). Turn the ignition switch OFF, disconnect the negative (-) ground terminal. Connect the ammeter (+) probe [1] to the negative (-) cable [2] and the ammeter (-) probe [3] to the engine earth...

Regulator/rectifier — removal/installation
Removal/installation Disconnect the alternator 3P (Gray) connector [1] and regulator/rectifier 3P (Black) connector [2]. Remove the bolts [3] and regulator/rectifier [4]. Installation is in the reverse order of removal. System inspection Check...

Alternator charging coil — inspection
Charging coil inspection It is not necessary to remove the stator coil to conduct this test. Disconnect the alternator 3P (Gray) connector (page 21-8). Measure the resistance at the wire side alternator 3P (Black) connector [1]. Connection: Yellow -...