🏷️ Basic Information

Make:

Honda

Model:

CBR 400 RR

Chassis Codes:

NC23, NC29

Model Years:

1988-1996

Generation Designation:

Second Generation (NC23/NC29)

👋 Introduction

Product Category:

Sportbike Service Manual

Value Proposition:

Provides comprehensive factory-level repair information for a significant period of the CBR 400 RR's production, offering a cost-effective alternative to dealership service.

Diagram Quality:

Top quality diagrams and instructions.

Instruction Style:

Step-by-step instructions with highly detailed exploded pictures.

Intended Users:

Do-it-yourselfers and experienced mechanics.

📋 Manual Details

Coverage Summary:

Complete factory service and repair for Honda CBR 400 RR NC23 and NC29 models from 1988 to 1996.

Estimated Page Count:

Extensive (specific number not provided, but described as 'complete' and covering 'every single detail')

Manual Type:

Factory Service Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Systems:

Lubrication system, Cooling system, Fuel system, Crankshaft/piston/cylinder, Engine removal/installation.

Drivetrain Systems:

Clutch/gearshift linkage, Crankcase/transmission, Alternator/starter clutch.

Chassis Systems:

Frame/body panels/exhaust system, Front wheel/suspension/steering, Rear wheel/suspension, Hydraulic brake.

Electrical Systems:

Battery/charging system, Ignition system, Electric starter, Lights/meters/switches, Wiring diagram.

Maintenance Procedures:

General maintenance, lubrication schedules, fluid changes, filter replacements, adjustments.

Repair Procedures:

Complete disassembly and reassembly of all major mechanical and electrical components.

Diagnostic Procedures:

Troubleshooting section with common issues and diagnostic steps.

Depth Of Coverage:

Comprehensive, including detailed exploded views, diagrams, and step-by-step instructions suitable for both DIY enthusiasts and professional mechanics.

📊 Manual Specifications

File Type:

PDF

Printability:

All pages are printable.

Digital Format Feature:

Instant Download

Digital Format Feature:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Inline Four-Cylinder, DOHC, 16-valve

Displacement:

399 cc

Bore X Stroke:

56.0 mm x 40.5 mm (typical for this generation, specific NC23/NC29 might vary slightly but remain 399cc)

Horsepower Range:

Approximately 59-60 PS (43-44 kW) at 12,000 rpm (typical for Japanese domestic market regulations of the era).

Torque Range:

Approximately 3.7 kgf·m (36 Nm; 27 lb·ft) at 10,500 rpm (typical).

Fuel Delivery:

Carburetor (typically four Keihin CV carbs, e.g., 34mm, though specific models and years may vary).

Fuel Type:

Unleaded gasoline

Procedure Detail:

Detailed steps for engine removal and installation, including necessary support and component disconnection.

🔧 Transmission

Transmission Type:

Constant Mesh, 6-speed manual

Clutch Type:

Wet, multi-plate

Final Drive:

Chain drive

📐 Dimensions

Overall Length:

Approx. 2,050 mm (for NC23, variations exist for NC29)

Overall Width:

Approx. 720 mm (for NC23, variations exist for NC29)

Overall Height:

Approx. 1,075 mm (for NC23, variations exist for NC29)

Dry Weight:

Approx. 160-170 kg (depending on specific model variant)

🛡️ Safety Features

Braking System:

Hydraulic disc brakes front and rear. Often dual front discs with four-piston calipers (e.g., Nissin) and a single rear disc.

Frame Construction:

Aluminium twin-spar frame (typical for this era of sportbike).

💡 Technology Features

Dashboard Features:

Analog tachometer, speedometer, fuel gauge, temperature gauge, odometer, trip meter, indicator lights.

Safety Systems:

N/A (No electronic rider aids like ABS or traction control typical for this era).

🔧 Maintenance

Oil Change Interval:

Typically every 6,000 km or 6 months, whichever comes first. (Refer to manual for precise interval)

Valve Clearance Interval:

Typically every 12,000 km or 12 months. (Refer to manual for precise interval)

Engine Oil Type:

API SG, SF, SE or equivalent, SAE 10W-40 or 20W-50 recommended based on ambient temperature. (Consult manual for exact specification)

Coolant Type:

Permanent type antifreeze coolant (ethylene glycol-based) with distilled water, typically a 50/50 mix. (Consult manual for exact specification)

Brake Fluid Type:

DOT 4 or DOT 3 hydraulic brake fluid. (Consult manual for exact specification)

Fork Oil Type:

Honda SS-7 or equivalent (e.g., Showa SS-7), typically SAE 10W. (Consult manual for exact specification and capacity)

Engine Oil Capacity W Filter:

Approx. 3.2 Liters. (Consult manual for exact capacity)

Cooling System Capacity:

Approx. 1.7 Liters. (Consult manual for exact capacity)

Common Wear Items:

Cam chain wear, rectifier/regulator failure, carburettor synchronization and cleaning, brake caliper seals, fork seal leaks.

Electrical Component Durability:

Older electrical components like the rectifier can be prone to failure with age and heat cycles.

📚 Vehicle History

Honda Sportbike Legacy:

Builds upon Honda's strong lineage of performance sportbikes, particularly the CBR series, known for innovation and reliability.

Nc23 Evolution:

The NC23 chassis (often referred to as the Hurricane or VFR400R in some markets, though the 400 RR is a distinct model) represented a significant step in handling and performance. The NC29 chassis further refined this with updated styling and components.

Nc29 Updates:

The NC29 variants often featured updated bodywork, suspension, and possibly minor engine tuning compared to earlier NC23 iterations.

Primary Market:

Japan Domestic Market (JDM), though popular in other regions through grey imports.

🏆 Awards & Recognition

Sportbike Reputation:

Highly regarded in its time for performance, handling, and styling, especially within the Japanese market.