Model Years Covered:
2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Vehicle Type:
Off-Road Motorcycle (Motocross)
Chassis Codes:
Specific chassis codes for each year are detailed within the manual.
Market Segment:
Entry-level to intermediate motocross racing and recreational off-road riding for youth riders.
Competitors:
Kawasaki KX85, Yamaha YZ85, KTM 85 SX.
Rm85 Highlights:
Lightweight chassis, powerful two-stroke engine, adjustable suspension, designed for competitive junior motocross racing.
Manual Objective:
To provide technicians and owners with accurate and comprehensive information for maintaining and repairing the Suzuki RM85.
Owner Benefit:
Enables owners to perform maintenance and repairs knowledgeably, saving time and money compared to dealership service.
Engine:
Complete engine disassembly, assembly, repair, and overhaul.
Transmission:
Detailed procedures for transmission removal, inspection, repair, and installation.
Fuel System:
Carburetor adjustment, cleaning, and rebuilding; fuel tank and line maintenance.
Ignition System:
Ignition timing, spark plug specifications, CDI unit troubleshooting.
Lubrication System:
Two-stroke oil injection system maintenance, oil type specifications.
Exhaust System:
Exhaust pipe and silencer removal, inspection, and reassembly.
Electrical System:
Wiring diagrams, lighting, charging system (if applicable), component testing.
Bodywork:
Fairing removal and installation, seat, handlebars, footpegs.
Suspension:
Front forks (upside-down telescopic) and rear shock absorber (monoshock) maintenance, fluid changes, and adjustments.
Brakes:
Hydraulic disc brake systems (front and rear) inspection, pad replacement, fluid bleeding, caliper and master cylinder service.
Wheels And Tires:
Wheel bearing inspection and replacement, tire pressure recommendations, rim maintenance.
Cooling System:
Radiator, hoses, and coolant maintenance and checks.
Routine Maintenance:
Tune-ups, oil changes (transmission oil), air filter cleaning/replacement, chain adjustment.
Troubleshooting:
Diagnostic procedures for common issues and component failures.
Repair Procedures:
Step-by-step instructions for component repair and replacement.
Overhaul Procedures:
Detailed instructions for complete engine and component rebuilds.
Assembly Disassembly:
Comprehensive guidance on taking apart and reassembling various motorcycle systems.
Special Tool Usage:
Identification and usage instructions for specialized Suzuki tools.
Engine And Transmission Disassembly:
Extensive coverage of engine and transmission disassembly for in-depth repairs.
Depth Level:
Advanced diagnostics, complete engine and transmission rebuilds, component-level repair.
Target Audience:
Mechanical technicians and experienced DIY enthusiasts familiar with general automobile/motorcycle practices.
Printability:
Yes, printable
Binding Type:
Not Applicable (Digital PDF)
Paper Type:
Not Applicable (Digital PDF)
Warning Caution Notes:
Manual emphasizes critical information through 'WARNING', 'CAUTION', and 'NOTE' designations.
Accuracy Statement:
Endeavored to ensure accuracy and completeness for all necessary repair instructions.
Engine Type:
Liquid-cooled, 2-stroke, reed-valve induction
Bore X Stroke:
48.0 mm x 46.8 mm (Refer to manual for exact year-specific tolerances)
Compression Ratio:
9.9:1 (Approximate, refer to manual for exact specification)
Horsepower:
Approx. 17.9 HP @ 11,000 RPM (Varies slightly by year, refer to manual)
Torque:
Approx. 7.8 lb-ft @ 10,500 RPM (Varies slightly by year, refer to manual)
Carburetor Model:
Mikuni VM28SS
Fuel Type:
Unleaded gasoline (minimum 91 octane recommended)
Two Stroke Oil Type:
API TC Classification, JASO FD or FD compliant 2-stroke engine oil (refer to manual for specific recommendations and mixing ratios if applicable).
Dry Weight:
Approximately 75 kg (165 lbs) (Varies slightly by year, refer to manual)
Fuel Tank Capacity:
5.0 L (1.3 US gal) (Refer to manual for exact capacity)
Overall Length:
Approx. 1835 mm (72.2 in) (Refer to manual for exact year-specific dimensions)
Overall Width:
Approx. 755 mm (29.7 in) (Refer to manual for exact year-specific dimensions)
Overall Height:
Approx. 1100 mm (43.3 in) (Refer to manual for exact year-specific dimensions)
Wheelbase:
Approx. 1240 mm (48.8 in) (Refer to manual for exact year-specific dimensions)
Ground Clearance:
Approx. 315 mm (12.4 in) (Refer to manual for exact year-specific dimensions)
Seat Height:
Approx. 850 mm (33.5 in) (Refer to manual for exact year-specific dimensions)
General Maintenance Interval:
Refer to manual for specific intervals for engine tune-ups, transmission oil changes, chain lubrication, and air filter cleaning (typically based on operating hours for off-road use).
Transmission Oil Capacity:
Approx. 0.65 L (refer to manual for exact capacity and specific Suzuki recommended oil)
Fork Oil Type And Level:
Specific fork oil viscosity and level are critical for proper suspension performance and are detailed in the manual (e.g., Showa SS-8 or equivalent).
Common Wear Items:
Piston rings, clutch plates, and wheel bearings are common wear items on high-performance two-stroke motocross bikes and require regular inspection and replacement.
Carburetor Performance:
Proper carburetor jetting and cleaning are crucial for optimal engine performance and preventing bogging or fouling, especially with varying altitudes and temperatures.
Suspension Maintenance:
Regular fork seal checks and rear shock service are important to maintain suspension action and prevent leaks.
Suzuki Motorcycle Heritage:
Suzuki has a long and successful history in motorcycle racing, particularly in motocross and Grand Prix events, known for its innovative two-stroke technology.
Rm85 Lineage:
The RM85 is part of Suzuki's long-standing RM (Racing Machine) series, evolving from earlier 80cc and 85cc motocross models, consistently optimized for junior competition.
Production Period:
The RM85 has been in continuous production, with updates to suspension, engine tuning, and aesthetics, covering the 2002-2012 period as specified.