Target Audience:
Suzuki RV90 owners, independent repair shops, DIY enthusiasts.
Manual Utility:
Provides dealership-level repair information, enabling comprehensive maintenance and repairs beyond basic owner's manual guidance.
Convenience:
Instant download and printable sections offer flexibility and reduced risk of damage compared to traditional paper manuals.
Comprehensiveness:
Covers all major systems and repair procedures, offering a complete resource for the RV90.
Engine Mechanical:
Detailed coverage of all internal engine components, including disassembly, inspection, repair, and reassembly procedures.
Engine Electrical:
Ignition system, charging system, starting system diagnostics and repair.
Fuel System Components:
Carburetor adjustment, cleaning, and overhaul; fuel tank and lines; fuel petcock.
Clutch Operation:
Centrifugal clutch inspection, adjustment, and replacement procedures.
Transmission Mechanics:
Gearbox inspection, maintenance, and repair for all gears and associated components.
Brake System:
Drum brake adjustment, shoe replacement, and linkage maintenance.
Suspension System:
Front fork maintenance, rear shock absorber inspection and replacement, and related components.
Steering Mechanism:
Handlebar, steering stem, and bearing maintenance and adjustment.
Electrical Wiring Diagrams:
Comprehensive wiring schematics for all electrical components and systems.
Lighting And Signals:
Headlight, taillight, turn signals, and brake light system troubleshooting and repair.
Frame And Bodywork:
Frame inspection, body panel removal and installation, and seat system components.
Lubrication Points:
Identification and specifications for all lubrication points and fluid types.
Locks And Security:
Ignition switch, steering lock, and seat lock maintenance.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain adjustment, and general inspections.
Troubleshooting Guides:
Diagnostic procedures for common issues and malfunctions across all systems.
Disassembly And Reassembly:
Step-by-step instructions for component removal, overhaul, and reinstallation.
Tune Up Procedures:
Detailed instructions for engine tuning and performance optimization.
Major Component Overhaul:
In-depth guides for engine, transmission, and clutch rebuilds.
Electrical Diagnosis:
Testing and troubleshooting of wiring, switches, lights, and charging system.
Depth Of Coverage:
Comprehensive (from basic maintenance to full engine rebuilds and advanced diagnostics).
Diagnostic Information:
Includes specifications for component testing, clearances, and tolerances.
Repair Instructions:
Detailed, illustrated steps for all repair and maintenance procedures.
Torque Specifications:
Essential torque values for all fasteners and critical components.
Engine Type:
2-stroke, forced air-cooled
Displacement:
89.4 cc (5.45 cu in)
Bore X Stroke:
49.0 mm x 48.0 mm (1.93 in x 1.89 in)
Compression Ratio:
Approx. 6.7:1
Horsepower:
Approx. 7.5 HP @ 6,000 RPM (Varies by market and specific tune)
Torque:
Approx. 6.5 lb-ft @ 5,000 RPM (Varies by market and specific tune)
Carburetor Model:
Mikuni VM Series (e.g., VM18)
Fuel Type:
Unleaded gasoline (approx. 87 octane)
Fuel Mixture:
20:1 (Gasoline to 2-stroke oil) or as specified in manual.
Transmission Oil Type:
SAE 10W-30 API SE or SF (Capacity typically ~0.6L)
Ignition System:
CDI (Capacitor Discharge Ignition)
Spark Plug Type:
NGK C6HA or equivalent (Gap: 0.7-0.8 mm)
Safety Standards:
Adheres to relevant motorcycle safety standards for its production era. (No formal crash test ratings apply to this type of vehicle).
Braking System:
Front and rear drum brakes, linked or independent operation.
Lighting:
Headlight, taillight, brake light, and optional turn signals for visibility.
Frame Construction:
Robust steel frame designed for durability and off-road use.
Tire Design:
High-profile, block-pattern tires for enhanced traction on varied terrain.
Engine Oil Change:
Every 1,000 km (600 miles) or annually, whichever comes first.
Spark Plug Check Clean:
Every 1,000 km (600 miles).
Air Filter Cleaning:
Every 1,000 km (600 miles) or more frequently in dusty conditions.
Clutch Adjustment:
As needed, check periodically during routine maintenance.
Chain Lubrication Adjustment:
Every 500 km (300 miles) or after riding in wet conditions.
2 Stroke Oil Type:
High-quality 2-stroke motorcycle oil, mixed at 20:1 ratio with gasoline.
Transmission Oil Viscosity:
SAE 10W-30
Transmission Oil Specification:
API SE or SF
Carburetor Issues:
Clogging due to age, gummed-up fuel, or debris. Requires regular cleaning and adjustment.
2 Stroke Engine Wear:
Piston ring wear, cylinder scoring, and carbon buildup in the exhaust port, especially with improper oil mixing or poor maintenance.
Electrical Connections:
Corrosion and loose connections in the aging wiring harness can lead to intermittent electrical faults.
Suspension Leaks:
Front fork seals and rear shock absorbers may develop leaks over time, requiring seal replacement or unit replacement.
Clutch Slippage:
Wear on clutch shoes or springs can lead to reduced acceleration or slippage.
Suzuki History:
Suzuki Motor Corporation, a Japanese multinational corporation, is renowned for its wide range of motorcycles, automobiles, and marine engines, known for innovation and reliability.
Rv Series Concept:
The 'RV' (Recreational Vehicle) series was designed as a versatile, go-anywhere dual-purpose machine, combining trail capability with street legality in some markets.
Production Years:
Primarily produced from the early 1970s into the late 1970s (specific years vary by market, e.g., ~1972-1978).
Manufacturing Location:
Japan (Suzuki's primary manufacturing facilities)
Market Niche:
Targeted recreational riders seeking an affordable, easy-to-operate, and capable off-road capable machine.