Model Code:
SR400 (various regional codes may apply, specific to the era)
Product Name:
Yamaha SR400 SR-400 BIKE 2014-2016 Workshop Service Repair Manual
Product Description:
YAMAHA SR400 SR-400 BIKE 2014-2016 WORKSHOP SERVICE REPAIR MANUAL
Engine Code:
399 cc 1-Cylinder, 4-Stroke, Air-Cooled, SOHC
Positioning:
The Yamaha SR400 is a classic, minimalist motorcycle known for its simple, reliable design and engaging riding experience. This manual serves enthusiasts and owners who appreciate the hands-on nature of maintaining and customizing such a machine.
Competition:
While the SR400 has few direct modern competitors due to its unique single-cylinder, kick-start configuration, it appeals to riders seeking an alternative to more complex and feature-laden motorcycles. Its closest rivals might be other retro-styled bikes or classic British singles.
Manual Value:
Provides essential information for upkeep, repair, and troubleshooting, enabling owners to perform a wide range of tasks and ensuring the longevity of their SR400.
Vehicle Appeal:
The SR400's iconic styling, robust single-cylinder engine, and kick-start-only operation offer a pure motorcycling experience that resonates with a dedicated segment of riders.
Manual Type:
Workshop Service Repair Manual, Owner's Manual, Parts Catalogue
Language:
English (assumed, typical for factory manuals)
Included Manuals:
Owner's Manual, Parts Catalogue
Page Count:
Not specified, but typical for a comprehensive workshop manual covering multiple manuals would be several hundred pages.
Engine:
Engine Removal, Camshafts, Cylinder Head, Valves and Valve Springs, Generator-Starter Clutch, Crankshaft Position Sensor, Electric Starter, Clutch-Shift Shaft, Oil Pump-Crankcase, Crankshaft-Radiator, Kick-Starting System, Fuel System, Fuel Injection System, Fuel Pump System
Chassis:
Front Wheel-Rear Wheel, Front Brake-Rear Brake, Handlebars-Front Fork, Steering Head-Swingarm, Rear Shock Absorber Assembly, Chain Drive System
Electrical:
Electrical System, Ignition System, Charging System, Lighting System, Signaling System, Electrical Components, Electrical Diagrams
Fuel System Details:
Fuel Tank, Fuel Pump System, Throttle Bodies, Air Induction System, Fuel Injection System (including TPS, IAT sensors, ECU diagnostics)
Cooling System Details:
Thermostat, Water Pump (if applicable to specific variants, though primarily air-cooled, this indicates potential for related systems in the manual's breadth)
Special Tools:
Lists and describes any special tools required for specific maintenance or repair procedures, ensuring correct execution.
Maintenance:
Check and Adjustments, General Maintenance Procedures
Repair:
Component Removal and Installation, Troubleshooting, Engine Rebuilding, Electrical System Troubleshooting
Diagnostics:
Troubleshooting, Electrical Diagrams
Tightening Torques:
Specific torque values for all critical fasteners throughout the motorcycle, ensuring proper assembly and preventing component failure.
Depth:
Comprehensive Workshop Level, suitable for professional mechanics and skilled DIY enthusiasts. Covers detailed disassembly, assembly, adjustments, and troubleshooting.
Illustrations Diagrams:
Detailed illustrations, exploded views, and wiring diagrams are included to aid in understanding complex procedures and system layouts.
File Type:
ZIP (containing PDF files)
Required Software:
Adobe Acrobat Reader, WinZip/WinRAR
Printability:
Printable pages for individual tasks
Searchability:
PDF format typically allows for text searching, enhancing the user's ability to quickly find specific information.
Quality:
High-quality digital scans with detailed illustrations and diagrams
Binding:
Digital (PDF format)
Engine Type:
Air-cooled, 4-stroke, SOHC, 2-valve single-cylinder
Bore X Stroke:
73.0 mm x 92.0 mm (typical specification for this engine)
Compression Ratio:
8.5:1 (typical specification for this engine)
Lubrication System:
Wet sump
Power Output:
Approx. 27 HP @ 6,500 RPM (model dependent, consult manual for exact figures)
Torque:
Approx. 30 Nm @ 5,500 RPM (model dependent, consult manual for exact figures)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
12 Liters (approx., consult manual for exact figure)
Cooling Method:
Air-cooled
Kick Start System:
The manual provides detailed instructions for the kick-starting system, including troubleshooting and component checks.
Generator Starter Clutch:
Manual covers inspection and servicing of the generator and starter clutch assembly.
Length:
2,185 mm (approx., consult manual for exact figure)
Width:
730 mm (approx., consult manual for exact figure)
Height:
1,020 mm (approx., consult manual for exact figure)
Dry Weight:
174 kg (approx., consult manual for exact figure)
Wet Weight:
177 kg (approx., consult manual for exact figure)
Safety Features:
Focus on rider control and feedback rather than electronic aids. Standard safety aspects include reliable braking and lighting systems.
Braking System:
Front: Disc brake; Rear: Disc brake. Manual details specific piston configurations and fluid types.
Lighting:
Halogen headlight, LED tail light, turn signals. Manual covers bulb types and electrical system checks.
Oil Change Interval:
Every 5,000 km or 6 months (typical, consult manual for exact interval and conditions)
Valve Clearance Check:
Every 10,000 km or 12 months (typical, consult manual for exact interval)
Spark Plug Replacement:
Refer to manual for specific mileage or visual inspection recommendations
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 20W-40 or 10W-40 API SG or higher (consult manual for precise specification and viscosity based on climate)
Engine Oil Capacity:
Approx. 1.7 L without filter change, 1.9 L with filter change (consult manual for exact capacity)
Brake Fluid Type:
DOT 4 (consult manual for exact specification)
Chain Lubrication:
Recommendations for chain lubricant type and frequency of application.
Gearbox Oil:
Consult manual for specific gearbox oil type and capacity
Common Issues:
While generally robust, potential issues can include kick-starter mechanism wear over extreme use, occasional minor electrical gremlins in older models (less common in 2014-2016), and carburetor tuning on pre-EFI models (not applicable to this manual's scope). This manual would detail any specific factory recommendations or known service bulletins.
Heritage:
Yamaha has a long history of producing reliable and engaging motorcycles, from competition machines to everyday riders. The SR line embodies simplicity and a connection to the riding experience.
Evolution Sr400:
The SR400, first introduced in 1978, has remained largely true to its original design philosophy, emphasizing its classic appeal. The 2014-2016 models saw updates including fuel injection and improved emissions, while retaining the iconic styling and kick-start only operation.
Manufacturing Location:
Japan (typically)
