Category:
Sportbike / Sport-Touring Motorcycle
Target Audience:
Suzuki RF900R owners, mechanics, DIY enthusiasts
Competitors:
Kawasaki ZZ-R1100, Yamaha FZR1000, Honda CBR1000F (during its era)
Manual Value:
Comprehensive, dealer-level repair information, detailed illustrations, step-by-step procedures, troubleshooting guidance.
Vehicle Appeal:
Powerful inline-four engine, comfortable riding position for a sportbike, capable for both spirited riding and touring.
Powertrain:
Engine Mechanical, Engine Coolant, Engine Control System, Charging System, Starting System, Ignition System, Fuel System, Clutch System, Transmission System (Manual Transaxle System)
Chassis:
Brake System, Suspension System (Front and Rear), Steering System, Wheel and Tire System, Drive Shaft/Chain System
Electrical:
Lighting System, Combination Meter, Electrical System Diagnosis, Wiring Diagrams, Wiper and Washer System, Power Window System, Power Door Lock System
Body:
Body Repair, Interior Components, Exterior Components, Sun Roof System
Engine Mechanical:
Cylinder block, cylinder head, crankshaft, pistons, connecting rods, valves, camshafts, timing chain, lubrication system (oil pump, oil filter).
Fuel System:
Carburetors (disassembly, cleaning, adjustment), fuel pump (if applicable), fuel lines, fuel tank.
Cooling System:
Radiator, cooling fan, water pump, thermostat, coolant hoses, expansion tank.
Ignition System:
Ignition coils, spark plugs, CDI unit, pickup coils, wiring.
Electrical System:
Wiring diagrams, charging system (stator, regulator/rectifier, battery), starting system (starter motor, starter clutch), lighting, instruments, switches.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication
Repair:
Engine disassembly and reassembly, transmission overhaul, brake component replacement, suspension work, electrical component repair
Troubleshooting:
Diagnostic procedures for common and complex issues across all systems, including electrical and engine performance problems
Technical Data:
Specifications, torque values, clearances, fluid capacities, electrical schematics
Engine Rebuild:
Complete engine overhaul, including piston replacement, ring installation, bearing checks, valve seat grinding, and seal replacement.
Suspension Service:
Fork seal replacement, fork oil change and level adjustment, rear shock absorber inspection and replacement.
Brake Service:
Brake pad replacement, caliper overhaul, master cylinder service, brake fluid flush and bleeding.
Chassis Maintenance:
Steering head bearing inspection and adjustment, swingarm bearing lubrication and check, wheel bearing service.
Depth:
Complete workshop level, covering detailed disassembly, repair, and reassembly procedures, suitable for both DIY enthusiasts and professional mechanics.
Diagnostic Tools:
Guidance on using basic tools for diagnosis and repair, emphasis on understanding electrical schematics.
Illustrations:
Detailed illustrations, drawings, and photos throughout for visual guidance.
Instructions:
Numbered instructions with sub-steps, notes, cautions, and warnings for critical information.
Type:
937cc, Liquid-cooled, 4-stroke, DOHC, 16-valve, Inline-4
Bore X Stroke:
73.0 mm x 55.0 mm
Horsepower:
Approximately 125-135 HP (varies by market and specific year)
Torque:
Approximately 97 Nm (71.5 lb-ft) @ 9,000 RPM (approximate)
Induction:
Mikuni BST40 flat-slide carburetors (4 x 40mm)
Fuel Type:
Unleaded gasoline, 91+ octane
Oil Type:
API SG or SH, SAE 10W-40 motorcycle specific oil recommended
Oil Capacity:
Approx. 3.8 L (4.0 US qt) without filter change, 4.1 L (4.3 US qt) with filter change
Oil Change:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Air Filter:
Inspect every 6,000 km (3,700 miles), replace as needed or every 12,000 km (7,500 miles).
Spark Plugs:
Replace every 12,000 km (7,500 miles) or as per manual recommendation.
Valve Clearance:
Inspect every 12,000 km (7,500 miles).
Coolant:
Suzuki Coolant (or equivalent mixture of ethylene glycol and distilled water, typically 50/50).
Clutch Fluid:
DOT 4 (if hydraulic clutch)
Transmission Oil:
Suzuki Gear Oil (or equivalent API GL-4, SAE 75W-90)
Common Problems:
Carburetor synchronization issues, potential for stator failure (common on many bikes of this era), fuel petcock diaphragm wear.
Maintenance Focus:
Regular oil changes, maintaining proper carb synchronization, checking and maintaining the cooling system, and ensuring the electrical charging system is functioning optimally.