Bike Category:
Single-cylinder, air-cooled, performance-oriented motorcycle.
Target Audience:
Enthusiasts and owners seeking to maintain and repair their SRX600.
Key Competitors 80S:
Other single-cylinder performance bikes from marques like Honda (XR series), Kawasaki (KLR series), Suzuki (DR series), and potentially early Ducati singles.
Bike Appeal:
Unique styling, strong single-cylinder torque, lightweight handling, and a cult following.
Manual Value Proposition:
Enables cost-effective DIY maintenance and repair, empowering owners with the knowledge to keep their classic Yamaha in top condition.
Engine:
Detailed overhaul, tuning, lubrication, cooling, fuel delivery, ignition system.
Transmission:
Clutch operation, gearbox inspection, maintenance, and repair.
Chassis:
Frame inspection, suspension (front forks, rear shock), steering system.
Brakes:
Front and rear brake system maintenance, adjustment, and component replacement (calipers, master cylinders, lines).
Electrical:
Wiring diagrams, charging system (stator, regulator/rectifier), ignition system, lighting, starter motor, battery service.
Fuel System:
Carburetor (Mikuni BS34) disassembly, cleaning, adjustment, specifications, fuel tank, petcock maintenance.
Exhaust System:
Muffler, header pipe inspection and maintenance.
Wheels And Tires:
Tire pressure, wheel bearing service, spoke tensioning (if applicable).
Maintenance:
Scheduled maintenance (oil changes, filter replacements, spark plug service, chain adjustment), pre-ride inspections.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault finding charts.
Repair:
Engine rebuilds, carburetor overhauls, transmission disassembly, suspension component replacement, electrical system repairs.
Adjustment:
Carburetor jetting, valve clearance adjustment, ignition timing, brake lever and pedal free play.
Inspection:
Comprehensive checks for wear, damage, and proper function across all vehicle systems.
Depth:
Comprehensive, covering from basic maintenance to complete engine and chassis rebuilds.
Diagrams And Illustrations:
Abundant, high-quality pictures and detailed exploded diagrams for visual guidance.
Torque Specifications:
Detailed torque values for all critical fasteners.
Clearances:
Precise specifications for valve clearances, chain slack, etc.
Type:
Four-stroke, SOHC, air-cooled, single-cylinder
Bore X Stroke:
92.0 mm x 84.0 mm
Valve Train:
SOHC, 4 valves
Horsepower:
Approx. 45-50 HP (varies by market and specific tuning)
Torque:
Approx. 48 Nm (varies by market and specific tuning)
Carburetor:
Mikuni BS34, single
Fuel Type:
Unleaded gasoline
Ignition System:
CDI (Capacitor Discharge Ignition)
Oil Type:
Refer to manual for specific Yamaha oils or equivalent SAE 10W-40 or 20W-50 motorcycle oil.
Oil Capacity:
Approx. 2.4 Liters (with filter change)
Safety Ratings:
N/A (Motorcycle safety is typically assessed through handling characteristics and rider skill).
Braking System:
Front: Single Disc, Rear: Drum (some later models or variations may have disc)
Suspension Design:
Front: Telescopic forks, Rear: Monoshock (Monocross system)
Lighting:
Headlight, taillight, brake lights, turn signals.
Oil Change Interval:
Every 3,000 km or 6 months (refer to manual for exact recommendation).
Air Filter Cleaning:
Every 6,000 km or annually.
Spark Plug Replacement:
Every 10,000 km.
Valve Clearance Check:
Every 12,000 km or as recommended in the manual.
Engine Oil:
SAE 10W-40 or 20W-50 Motorcycle Oil (API SG or higher recommended).
Brake Fluid:
DOT 3 or DOT 4 (refer to manual for exact specification).
Fork Oil:
Refer to manual for type and quantity (e.g., Showa SS-8 or equivalent).
Carburetor Wear:
Mikuni BS34 carburetors can experience wear in throttle shafts and jets, leading to unstable idle and poor fuel economy. Regular cleaning and adjustment are crucial.
Camchain Tensioner:
Some units may develop noise from the cam chain tensioner. Manual inspection and adjustment are covered.
Electrical Connections:
As with many bikes of this era, aged electrical connectors can corrode, leading to intermittent issues. The manual details wiring diagrams for diagnosis.
Shock ABSorber:
The original rear shock absorber may lose damping over time. The manual covers inspection and replacement procedures.
Yamaha Motorcycles:
Yamaha Motor Company, founded in 1955, has a rich history in motorsport and road motorcycles, known for innovation and performance.
Srx Series:
The SRX series, particularly the SRX400 and SRX600, were designed as 'sport heritage' motorcycles, emphasizing classic styling with modern (for the era) performance characteristics and unique single-cylinder engines.
Production Years:
The SRX600 was produced in various forms from the mid-1980s through the late 1990s.
Manufacturing Location:
Japan
