Factory Workshop SpecificationsPlatform Gen: 2020–2024

2021 Honda CRF1100L Africa Twin Specifications & Consumables

Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.

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.

Select Model Year:(Active: 2021)

2020 2021 2022 2023 2024

Engine

1084cc

Drive

525

Cooling

Liquid-Cooled

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2021 Honda CRF1100L Africa Twin.

10 Dedicated Engineering Spoke Pages

Subsystem Guide/torques

Fastener Torques

Engine drain plug, axle spindles, caliper mounts, triple clamp pinch bolts & thread lubrication derating guide.

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Subsystem Guide/fluids

Fluids & Capacities

Oil: 4.00 L (4.23 US qt) • Coolant: 2.10 L (2.22 US qt) • Brake: DOT 4

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Subsystem Guide/fuses-relays

Fuses & Relays

Main: 30A Blade / Starter Magnetic Switch • Location: Under rider seat

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Subsystem Guide/compression

Compression & Leakdown

Ratio: 11.5:1 • Std: 165-210 PSI • Limit: 142 PSI

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Subsystem Guide/valves

Valve Clearances

Intake: N/A mm • Exhaust: N/A mm

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Subsystem Guide/fuel-delivery

Fuel Delivery & TB Sync

Idle: N/A • Rail Pressure: N/A • Vacuum: N/A

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Subsystem Guide/electrical

Charging & Battery

Battery: YTZ14S (230 CCA) • Regulated: 14.0 - 14.8 V DC

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Subsystem Guide/tires

Tires & Gearing

Front: 90/90-21 (36 PSI) • Rear: 150/70R18 (42 PSI)

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: 230 mm • Rear Travel: 220 mm

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: Every 8,000 miles (12,800 km) mi • Valves: Every 26,600 mi • Spark Plugs: Every 32,000 miles (48,000 km) Iridium mi

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Fluids & Service Capacities

Shop Fluids →

Engine Oil (Drain & Filter Change)4.00 L (4.23 US qt)

Engine Oil (Drain Only)3.80 L (4.02 US qt)

Recommended Oil Viscosity10W-30 API SJ or higher, JASO MA (Pro Honda GN4)

Coolant System Capacity2.10 L (2.22 US qt)

Brake Fluid StandardDOT 4

Drivetrain, Chain & Gearing

Shop Chains & Sprockets →

Drive Chain Pitch525

Chain Link CountN/A

Front Sprocket TeethN/A

Rear Sprocket TeethN/A

Final Drive Configuration525 Pitch Chain

Ignition & Electrical Specifications

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OEM Spark Plug Part NumberNGK SILMAR8A9S

Electrode Spark Plug Gap0.8 - 0.9 mm (0.031 - 0.035 in)

OEM Battery Reference CodeYTZ14S

Battery Output & Rating12V 11.2Ah 230 CCA

Spark Plug Inspection Interval32,000 miles (48,000 km) Iridium

Wheels, Tires & Inflation Pressures

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Front Tire Dimensions90/90-21

Cold Front Inflation Pressure29 PSI (Cold)

Rear Tire Dimensions150/70R18

Cold Rear Inflation Pressure36 PSI (Cold)

OEM Wheel Rim Widths (F / R)3.50" / 4.50"

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 2021 Honda CRF1100L Africa Twin platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.

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