Category:
Sport Touring Motorcycle
Target Audience:
Riders seeking a versatile, comfortable, and powerful motorcycle for long-distance touring and spirited riding.
Key Competitors:
Honda VFR800 Interceptor, Suzuki Bandit 1200S, Kawasaki ZRX1200R, Triumph Sprint ST.
Engine Basis:
Shared engine architecture with the Yamaha YZF-R1 sportbike.
Riding Comfort:
Upright riding position, adjustable handlebars, comfortable seating for rider and passenger.
Performance Blend:
Combines sportbike power with sport-touring ergonomics and comfort.
Engine Mechanical:
Complete overhaul procedures, valve clearance, timing chain, piston/cylinder, crankshaft, lubrication system.
Fuel System:
Carburetor identification, disassembly, cleaning, adjustment, fuel pump, fuel filter.
Ignition System:
Ignition timing, spark plugs, ignition coils, CDI unit testing.
Cooling System:
Radiator, fan, thermostat, water pump, coolant specifications and bleeding.
Transmission:
Clutch operation, gearbox disassembly and assembly, gear shift mechanism, transmission fluid type and capacity.
Chassis And Suspension:
Front fork (telescopic) overhaul, rear shock absorber, swingarm, steering head bearing.
Brakes:
Front and rear brake caliper service, master cylinder overhaul, brake fluid type and bleeding, brake pad replacement, disc inspection.
Electrical System:
Wiring diagrams, battery, charging system (stator, rectifier/regulator), lighting, starter motor, fuses, relays.
Bodywork And Fairings:
Fairing removal and installation, seat, fuel tank, fenders, instrument panel.
Wheels And Tires:
Tire specifications, wheel bearing inspection, wheel balancing.
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, brake fluid flush.
Engine Repair:
Top-end rebuilds, carburetor synchronization, valve adjustments, camshaft replacement.
Transmission Repair:
Clutch plate replacement, gearbox component repair, shift drum and fork servicing.
Suspension Servicing:
Front fork seal replacement, oil level checks, rear shock absorber replacement.
Brake System Overhaul:
Piston seal replacement, caliper piston removal and cleaning, master cylinder rebuild.
Electrical Diagnostics:
Wiring harness testing, component resistance checks, voltage measurements.
Frame And Bodywork Repair:
Fairing crack repair, mounting point inspection, fuel tank sealing.
Depth Level:
Comprehensive (from basic maintenance to complete engine/transmission rebuilds).
Detail Level:
Step-by-step instructions with torque specifications, special tool requirements, and diagrams.
Engine Type:
Liquid-cooled, four-stroke, DOHC, inline four-cylinder
Bore X Stroke:
74.0 mm x 58.0 mm
Compression Ratio:
10.8:1
Valve Train:
DOHC, 5 valves per cylinder
Horsepower:
Approx. 143 hp @ 10,000 rpm (claimed)
Torque:
Approx. 102 Nm @ 7,500 rpm (claimed)
Fuel Delivery:
Four Mikuni CV carburetors (BST36 x 4)
Fuel Capacity:
20 Liters (5.3 US gallons)
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40, API SG or higher, JASO MA
Oil Capacity With Filter Change:
3.1 Liters (3.3 US qt)
Oil Capacity Without Filter Change:
2.8 Liters (3.0 US qt)
Transmission Type:
Constant mesh, 6-speed sequential
Clutch Type:
Wet, multiple-disc, cable-actuated
Final Drive:
O-ring sealed chain
Gear Ratios:
1st: 2.750 (33/12), 2nd: 2.063 (33/16), 3rd: 1.619 (34/21), 4th: 1.333 (32/24), 5th: 1.150 (23/20), 6th: 0.967 (29/30)
Transmission Oil Type:
Yamaha Motorcycle Gear Oil (or equivalent) SAE 80 API GL-4
Transmission Oil Capacity:
0.75 Liters (0.79 US qt)
Safety Features Availability:
ABS was an optional feature on some models, not standard on all.
Braking System:
Hydraulic dual disc front brake, hydraulic single disc rear brake.
Lighting:
Halogen headlight, LED taillight.
Frame Construction:
Aluminum Deltabox frame for rigidity and light weight.
Crash Protection:
Engine guards and frame sliders often aftermarket additions.
Engine Oil Change:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Oil Filter Replacement:
With every oil change (recommended).
Air Filter Cleaning:
Every 6,000 km (3,700 miles).
Spark Plug Check:
Every 12,000 km (7,500 miles).
Valve Clearance Check:
Every 18,000 km (11,000 miles).
Brake Fluid Replacement:
Every 2 years or as needed.
Coolant Replacement:
Every 2 years.
Engine Oil Specification:
Yamalube 4 SAE 10W-40, API SG, JASO MA
Coolant Specification:
Yamaha Yamalube Coolant (50% solution) or equivalent ethylene glycol based coolant.
Brake Fluid Specification:
DOT 4
Fork Oil Type:
Yamaha Suspension Fluid (or equivalent) SAE 10W
Fork Oil Capacity:
590 cc (19.8 oz) per fork leg
Common Wear Items:
Clutch plates, front fork seals, exhaust system corrosion (especially headers), regulator/rectifier (prone to overheating).
Carburetor Issues:
Carburetors can require periodic synchronization and cleaning due to age and fuel quality.
Electrical Component Reliability:
Some owners report failures of the starter solenoid and ignition coils.
