Market Position:
The Suzuki RM85 is a highly competitive entry-level to intermediate motocross machine, known for its potent 2-stroke powerband and agile handling. This manual targets owners and technicians looking for in-depth support for maintaining and repairing this specific model.
Competitive Analysis:
Competes directly with models like the Yamaha YZ85, Kawasaki KX85, and KTM 85 SX. This manual provides the specialized knowledge required to keep the RM85 performing at its peak against these rivals.
Key Features:
Instant download, printable PDF format, comprehensive coverage of critical systems, lifetime protection policy for lost/damaged files, direct access to essential repair information.
Coverage Description:
This manual provides comprehensive repair, service, and maintenance information for the 2008, 2009, and 2010 Suzuki RM85 2-stroke motorcycles.
Estimated Page Count:
Refer to actual manual file; typically 300-500 pages for this level of detail.
Manual Type:
Downloadable PDF Repair Manual / Shop Manual
Format:
PDF (Portable Document Format)
Systems Covered:
General Information, Routine Maintenance, Engine Removal/Installation, Fuel System, Lubrication & Cooling System, Engine Specifications, Transmission, Drive Chain & Sprockets, Steering System, Shocks (Suspension), Body Work, Intake & Exhaust, Electrical System, Advanced Troubleshooting.
Electrical System Detail:
Includes detailed wiring diagrams, component testing procedures for ignition, lighting (if applicable for specific regulations/models), and charging systems.
Procedures Included:
Diagnostic procedures, repair steps, maintenance schedules, component disassembly and reassembly, torque specifications, wiring diagrams, troubleshooting guides.
Troubleshooting Methodology:
Systematic approach to diagnosing problems, including symptom analysis, diagnostic flowcharts, and component-specific testing.
Technical Depth:
Comprehensive, covering everything from basic fluid changes and adjustments to complete engine rebuilds and electrical system diagnostics.
Rebuild Procedures:
Detailed step-by-step instructions for complete engine rebuilds, including crankshaft assembly, gearbox overhaul, and suspension component refurbishment.
File Format Details:
Instant downloadable PDF, no ZIP files, plain text for easy searching and printing.
Print Quality Expectation:
Designed for clear printing of diagrams, schematics, and text. High resolution for detailed component identification.
Binding Type:
Digital Download (N/A for physical binding)
Paper Type Expectation:
N/A (Digital PDF), designed to be printed on standard paper.
Engine Displacement:
84.7 cc (Cubic Centimeters)
Engine Type:
Liquid-cooled, 2-stroke, reed valve, single-cylinder
Bore X Stroke:
48.0 mm x 46.8 mm
Compression Ratio:
9.0:1 (Typical, subject to specific year variant)
Ignition System:
CDI (Capacitor Discharge Ignition)
Horsepower:
Approx. 25-28 HP (Subject to dyno testing and specific model year variations)
Torque:
Not typically published in a simple HP figure, but peak torque is achieved in the mid-to-high RPM range.
Carburetor:
Mikuni VM28SS (Typical, may vary slightly)
Fuel Type:
Unleaded gasoline (minimum 91 octane recommended)
Fuel Mixture:
Pre-mix with 2-stroke engine oil (refer to manual for specific oil type and ratio, typically 20:1 or 32:1)
Transmission Oil Type:
SAE 10W-30 API SG, SH or SJ (Refer to manual for exact specification)
Clutch Type:
Wet, multiple-disc, cable-actuated
Cooling Type:
Liquid-cooled
Coolant Type:
Suzuki Super Long Life Coolant or equivalent (50% ethylene glycol and 50% de-ionized water)
Safety Ratings:
N/A (Competition motorcycle, not subject to automotive safety ratings like NHTSA or Euro NCAP)
Active Safety Features:
Effective braking system (front disc, rear disc), responsive steering, knobby tires for off-road grip.
Passive Safety Features:
Robust frame construction, ergonomic rider controls.
Infotainment Systems:
N/A (Basic competition motorcycle, no infotainment features).
Driver Assistance Features:
N/A (No electronic rider aids or driver assistance systems).
Connectivity Features:
N/A (No electronic connectivity features).
Routine Maintenance Intervals:
Regular checks of chain tension, tire pressure, air filter cleaning, spark plug inspection, coolant level, brake fluid, and oil levels are critical. Specific intervals for piston ring replacement, engine top-end rebuilds, and transmission service are detailed in the manual.
Engine Top End Rebuild Interval:
Highly dependent on usage, but typically recommended every 30-50 hours of competitive riding or as indicated by loss of compression/performance.
Engine Oil Type 2 Stroke:
High-quality, JASO FD or FB certified 2-stroke engine oil specifically designed for air-cooled or liquid-cooled 2-stroke engines. Ratio: 20:1 or 32:1 pre-mix, as specified in the manual.
Transmission Oil Capacity:
Approximately 0.75 - 0.85 liters (0.79 - 0.90 US qt) of SAE 10W-30 API SG, SH or SJ.
Coolant Capacity:
Approximately 0.55 liters (0.58 US qt) of 50/50 coolant/water mixture.
Common Issues And Wear Points:
Piston ring wear, carburetor jetting adjustments for optimal performance, clutch plate wear, chain and sprocket wear, suspension seal leaks, and spark plug fouling are common areas requiring attention on 2-stroke motocross bikes of this era. This manual provides solutions for these.
Critical Part Identification:
The manual will contain numerous part numbers for genuine Suzuki components, essential for accurate ordering and replacement (e.g., piston kits, gasket sets, air filters, spark plugs).
Brand Heritage:
Suzuki has a long and successful history in motorcycle racing, particularly with its RM series of motocross bikes, known for their performance and reliability in competitive environments.
Model Evolution:
The RM85 has been a staple in the 85cc class for many years, undergoing continuous refinements to engine performance, suspension tuning, and chassis geometry to remain competitive. The 2008-2010 models represent a specific iteration of this well-regarded platform.
Production Location:
Typically manufactured in Japan.
