Factory Workshop SpecificationsPlatform Gen: 2021–2026

2026 Honda Rebel 1100 (CMX1100) Specifications & Consumables

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

Gen 2021–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2021 through 2026.

Select Model Year:(Active: 2026)

2021 2022 2023 2024 2025 2026

Engine

1084cc

Drive

525

Cooling

Liquid-Cooled

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2026 Honda Rebel 1100 (CMX1100).

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: 3.90 L (4.12 US qt) • Coolant: 1.74 L (1.84 US qt) • Brake: DOT 4

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Subsystem Guide/fuses-relays

Fuses & Relays

Main: 30A Blade / Starter Magnetic Switch • Location: N/A

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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 • CCA: 230 • Regulated: 14.0 - 14.8 V DC

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Subsystem Guide/tires

Tires & Gearing

Front: 130/70-18 • Rear: 180/65-16

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: 121 mm • Rear Travel: 95 mm

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: Every 4,000 miles (6,400 km) mi • Valves: N/A • Plugs: Every 16,000 miles (25,600 km) mi

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Fluids & Service Capacities

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Engine Oil (Drain & Filter Change)3.90 L (4.12 US qt)

Engine Oil (Drain Only)3.60 L (3.80 US qt)

Recommended Oil ViscosityPro Honda GN4 10W-30 or 10W-40, JASO MA

Coolant System Capacity1.74 L (1.84 US qt)

Brake Fluid StandardDOT 4

Drivetrain, Chain & Gearing

Gearing Calculator →Shop Chains & Sprockets →

Drive Chain Pitch525

Chain Link Count118 Links

Front Sprocket Teeth16T

Rear Sprocket Teeth42T

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 Interval16,000 miles (25,600 km) miles

Wheels, Tires & Inflation Pressures

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Front Tire Dimensions130/70-18

Cold Front Inflation Pressure33 PSI (Cold)

Rear Tire Dimensions180/65-16

Cold Rear Inflation Pressure36 PSI (Cold)

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

Official NHTSA Safety Recalls & Technical Bulletins

1 Active Campaign

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

Verify VIN on NHTSA.gov

The U.S. National Highway Traffic Safety Administration reports 1 safety recall campaign associated with this platform. Independent repair shops and riders should confirm that authorized dealership warranty remedies have been applied.

NHTSA #21V987000ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

Received: 16/12/2021▼

Defect Description

Honda (American Honda Motor Co.) is recalling certain 2021 Honda Rebel 1100 (CMX1100) motorcycles. The radiator cap may have been improperly formed during manufacturing, which could create an insufficient seal.

Safety Hazard / Consequence

An insufficiently sealed radiator cap may leak or spray hot coolant, increasing the risk of injury or crash.

Factory Remedy & Repair Action

Dealers will replace the radiator cap and refill any lost coolant, free of charge. Owner notification letters were mailed February 22, 2022. Owners may contact Honda service at 1-888-234-2138. Honda's number for this recall is KN1.

Manufacturer Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

1 Documented Bulletin

Bulletin #HON-21V987Safety Recall KN1 (MTB 17798): Rebel 1100 (CMX1100) Radiator Cap Outer Hook Height Replacement

Source: Honda_Rebel1100_Recall21V987_KN1_RadiatorCap_Full.pdf

Mandated Torques:Torque: 9.8 N·m (7.2 lbf·ft) (Radiator Shroud & Neck Cover Fasteners)Torque: 1.5 N·m (1.1 lbf·ft) (Overflow Return Tube Spring Clamp Inspection)

Consumable Specs:Pro Honda HP Coolant 50/50 Prediluted (Phosphate & Silicate Free)Distilled Water Rinse Solution

Genuine Part Numbers:06190-MKR-30519045-MZ1-851

HONDA REBEL 1100 COOLING SYSTEMExploded View: Radiator Cap Sealing Interface (Safety Recall 21V-987 / KN1)

KIT # 06190-MKR-3051.1 BAR (108 kPa)

Remedy Radiator Cap (1.1 bar / 108 kPa / 16 psi)

Genuine Kit # 06190-MKR-305 (Kit, Cap Rad)

Push Down & Rotate Clockwise Until Stop Lugs Engage

CRITICAL SAFETY RECALL (Recall 21V-987 / Service Bulletin MTB 17798 / KN1). Factory die defect formed outer hook height exceeding specifications, causing the cap to ride over filler neck stops resulting in pressure loss and hot coolant spray. Replace with countermeasure cap having verified hook height.

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