Dedicated Subsystem WorkbenchPlatform Gen: 2020–2024

sms%3A6572176457 Honda CRF1100L Africa Twin Charging System, Stator AC Output & Battery Health

Stator 3-phase AC voltage at 5,000 RPM, coil resistance, regulated DC voltage, battery code YTZ14S, CCA rating, and multimeter charging diagnostic steps for sms%3A6572176457 Honda CRF1100L Africa Twin.

Technical PassportOEM VERIFIED

Engine

1084cc

Cooling

Liquid-Cooled

Final Drive

525 Chain

Engine Oil

4.00 L (4.23 US qt)

Spark Plug

NGK SILMAR8A9S

Front Tire

90/90-21

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Gen 2020–2024

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2020 through 2024.

SPECS-TO-CART BUNDLESFactory Direct-Fit Maintenance Bundles Available

1-Click verified Motul engine oil service kits, race filters, spark plugs, and brake fluid pre-measured for this sms%3A6572176457 Honda CRF1100L Africa Twin.

Configure Service Bundles→

Select Model Year:(Active: sms%3A6572176457)
5 Production Years (2020–2024)

2020 2021 2022 2023 2024

Suggested Items3 Verified Workshop Consumables Available for this Job

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3-Phase Charging System & Battery Diagnostic Flowchart

Yuasa & OEM Standards

Multimeter troubleshooting protocols, cold cranking amps (CCA) ratings, 3-phase stator AC outputs, and regulator-rectifier health verification.

Shop YTZ14S Batteries

OEM Battery Code

YTZ14S (VRLA / AGM High-Performance)

Cold Cranking Rating

230 CCA

Capacity (10HR Rate)

11.2 Ah (12V)

Regulated Output Spec

14.0 - 14.8 V DC

Key-OFF Parasitic Limit

< 1.0 mA (Key OFF)

Enter Multimeter DC Voltage Reading

V DC

Multimeter Test Diagnosis

Enter your multimeter terminal reading on the left to view instant diagnostic interpretations and recommended workshop actions.

OEM Factory AGM BatteryOEM Replacement

Yuasa YTZ14S High Performance AGM Battery

Dimensions: 150 L × 87 W × 110 H mm • Weight: 8.6 lbs (3.9 kg). Pre-filled absorbed glass mat technology engineered for heavy vibration resistance.

Lithium LiFePO4 UpgradeUp to 70% Lighter

Antigravity ATZ-14 Re-Start (480 CCA / 2.4 lbs)

Features built-in RE-START jump starting reserve. Never stranded by dead lights: press the restart button on the top terminal to crank the motorcycle without jumper cables.

Smart Maintainer SpecBattery Life Extension

12V AGM / Float 1.25A

Standard Charge Rate: 1.1A (Max 2.2A). Automated desulfation & float maintenance ensures full capacity retention during off-season winter storage.

Recommended Parts: Yuasa YTZ14S High Performance AGM Battery • OptiMate 4 Quad Program 1.0A Smart Battery Tender / Charger

Shop Smart Battery Chargers Find Direct-Fit Batteries

IGNITION ENGINEERING, HEAT-RANGES & COMBUSTION DIAGNOSTICS

OEM Spark Plugs • Heat-Range Dissipation • Coil Resistance • Visual Combustion Reading Matrix

FACTORY CERTIFIED SPECIFICATIONS

Factory Standard Plug

NGK Laser Iridium SILMAR8A9S

4 Plugs Total (CRF1100L Unicam: 2 Plugs Per Cylinder)

Electrode Spark Gap

0.8 - 0.9 mm (0.031 - 0.035 in)

M10 x 1.0 • 26.5 mm Reach

Hex Drive & Socket Spec

14 mm Bi-Hex (Thin-Wall)

Use magnetic rubber-insert thin socket

Tightening Torque (NM)

16 N·m

1/2 turn after finger seat (crush washer)

Stick Coil Resistances

Pri: 1.15 - 1.45 Ω at 20°C

Sec: 9.5 - 12.5 kΩ at 20°C

Service & Replacement

Inspect: 16,000 miles (25,600 km)

Replace: 32,000 miles (51,200 km)

SPARK PLUG HEAT-RANGE & METALLURGY SELECTOR

Compare OEM standard, fine-wire precious metals, and ambient/duty cycle thermal dissipation paths

Verified Part Specification

NGK Laser Iridium SILMAR8A9S

FACTORY SPECIFICATION

Metallurgy & Center Tip Architecture

Copper Core / Solid Nickel Alloy Ground Electrode

Thermal Dissipation Path & Physics

Standard OEM factory thermal dissipation rate. Calibrated to stabilize ceramic nose temperature between 500°C–800°C across mixed street, highway, and mountain riding.

Operating Application Envelope

Stock engines, factory ECU mapping, general commuting, and standard touring. Recommended for all baseline maintenance schedules.

Ignitability & Coil Voltage Demand

Standard spark kernel size. Standard secondary coil demand (~15–20 kV). Solid copper core ensures rapid heat conduction away from tip.

SPARK PLUG READING & COMBUSTION DIAGNOSTICS ANALYZER

Interactive visual diagnosis: Match your ceramic insulator tip and electrodes to detect AFR, timing, oil intrusion, and thermal overload

Normal Clean — Optimal Combustion Equilibrium

OPTIMAL COMBUSTION

Thermal Operating Range: 500°C – 800°C (932°F – 1,472°F) • Self-Cleaning Pyrolysis Window

Visual Insulator & Electrode Profile

Ceramic insulator nose is light grayish-tan, beige, or light brown. Firing tip and electrodes are dry with minimal combustion deposits. Ground electrode edges remain crisp without rounding or erosion.

Multimeter Electrical Resistance Test

Insulation Resistance > 10 MΩ (Infinite DC resistance between center terminal and steel shell). Dielectric barrier is pristine; zero spark leakage to cylinder head ground.

Probable Root Causes

Optimal air/fuel ratio across all throttle positions (stoichiometric 14.7:1 cruise, 12.8:1–13.2:1 power enrichment)
Correct spark plug heat range precisely matched to engine displacement and cooling efficiency
Ignition timing and coil dwell saturation within factory parameters
Healthy piston rings and valve guide seals with minimal oil blow-by

Prescribed Workshop Remediation Action

No mechanical intervention required. Inspect gap with wire-style feeler gauge and reinstall to factory torque specification.

Coil-on-Plug (COP) / Stick Coil Multimeter Bench Testing Protocol

Step 1 • Primary Circuit

Set DMM to lowest Ω range. Probe between Terminal 1 (+12V switched) and Terminal 2 (ECU trigger pin). Normal reading: 1.15 - 1.45 Ω at 20°C at 20°C.

Step 2 • Secondary Circuit

Set DMM to kΩ range. Probe between Terminal 1 and the high-voltage spark plug spring terminal inside the boot. Factory spec: 9.5 - 12.5 kΩ at 20°C at 20°C.

Step 3 • Dielectric Boot Inspection

Flex silicone boot under bright light. Check for pinholes, white powdery dielectric breakdown tracks, or hardened silicone causing high-voltage flashover to the cylinder head spark plug tube.

Direct-Fit Ignition Components & Workshop Sockets

Authentic laser iridium plugs, thin-wall magnetic sockets, and OEM replacement stick coils

Find Direct-Fit Spark Plugs (NGK SILMAR8A9S)

Honda Diagnostic Fault Codes & Multimeter Bench Testing

FI & OBD2 Decoder

Authentic factory ECU fault codes, sensor resistance specifications, and harness pinout troubleshooting.

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Code 1 BlinkManifold Absolute Pressure (MAP)

MAP sensor circuit low or high voltage (< 0.15V or > 4.95V).

Test: 5.0V reference from ECM; 2.7-3.1V at sea level ambient.

Code 7 BlinksEngine Coolant Temp (ECT)

ECT sensor circuit open or shorted to ground.

Test: 2.3-2.6 kΩ at 20°C (68°F); drops to 200-400 Ω at 80°C (176°F).

Code 21 BlinksOxygen Sensor (O2)

O2 sensor heater or voltage circuit malfunction.

Test: Measure heater element pins: 10-16 Ω at 20°C.

Looking for other error codes, sensor pinouts, or OBD2/Euro 5 codes?

View All 68 Multi-Brand Diagnostic Trouble Codes →

Official NHTSA Safety Recalls & Technical Bulletins

0 Open Campaigns (Clean)

U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).

Verify VIN on NHTSA.gov

No Active Federal Safety Recalls Reported

The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the sms%3A6572176457 Honda CRF1100L Africa Twin platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

1 Documented Bulletin

Bulletin #HON-20V797Safety Recall KL4: CRF1100L Africa Twin In-Tank Fuel Filter Micron Suction Mesh Rebuild

Source: Honda_AfricaTwin_Recall20V797_KL4_FuelFilter.pdf

Mandated Torques:Torque: 12 N·m (9 lbf·ft) (Fuel Pump Base Flange Nuts - Diagonal Crisscross)Torque: 10 N·m (7 lbf·ft) (Fuel Tank Mounting Bracket Bolts)

Consumable Specs:Genuine Micron Fuel Filter Mesh & Chamber PackingClean Isopropyl Alcohol Tank Wash SolventNew Tank Base Sealing O-Ring

Genuine Part Numbers:06161-MKS-30516700-MKS-E01

ADVENTURE SPORTS FUEL SYSTEMExploded View: Tank Agitation Flush & Fuel Filter Assembly (Safety Recall 20V-797 / KL4)

Kit # 06160-MKK-305 • 40x/20x Flush Cycle • 12 N·m Base Nuts • 27 N·m Pivot

INSPECTION TARGETRecall 20V-797 / KL4

Replacement Fuel Filter & Regulator Kit (KL4)

Genuine Kit # 06160-MKK-305 (Filter Kit, Fuel)

FACTORY WORKSHOP SPECIFICATION:

High-Pressure Micron Filtration

CRITICAL WORKSHOP PROCEDURE:

CRITICAL RECALL COUNTERMEASURE: Replaces internal clogged suction strainer and high-pressure filter unit. Kit includes: suction filter, fuel filter, pressure regulator assy, pressure regulator O-ring, fuel pump O-ring, fuel chamber, and fuel pump packing base.