The Suzuki RM85 is a highly regarded motocross off-road motorcycle, with coverage extending from the 2009 model year onward. This third-generation RM85 is known for its updated styling and chassis components, designed to provide competitive performance for junior riders. Building on Suzuki's rich heritage in motocross, the RM85 is praised for its strong engine performance and agile handling, making it a popular choice for aspiring racers and a gateway into the RM-Z line. Its engineering quality and reliability have earned it positive reviews and a strong reputation among riders and industry experts alike.
This comprehensive Service and Repair Manual provides detailed guidance for all servicing, routine maintenance, and in-depth repairs of the Suzuki RM85. It covers all essential systems, including the engine, transmission, clutch, carburetor, ignition, electrical systems, suspension, brakes, wheels, tires, chassis, and fuel and exhaust systems. The manual features step-by-step instructions, torque specifications, special tool requirements, diagnostic procedures, and visual aids such as pictures and wiring diagrams. Its purpose is to empower owners and technicians to effectively maintain, troubleshoot, and repair the RM85, ensuring optimal performance and longevity.
Year Coverage:
2009 Onward
Vehicle Type:
Motocross Off-Road Motorcycle
Generation Details:
Covers the third generation of the RM85, known for its updated styling and chassis components.
Chassis Code:
K9 (for 2009 model year), subsequent chassis codes will follow standard Suzuki alphanumeric sequencing.
Market Position:
The Suzuki RM85 is positioned as a competitive entry-level motocross bike for junior riders, often serving as a gateway into the RM-Z line.
Competitive Analysis:
Competes directly with models like the Yamaha YZ85, Kawasaki KX85, and KTM 85 SX. The RM85 is known for its strong engine performance and agile handling.
Key Features:
The manual offers an easy-to-follow, step-by-step approach to repairs, complete coverage of all systems, and essential visual aids like pictures and wiring diagrams, empowering owners to perform their own maintenance and repairs.
Coverage Areas:
All servicing, routine maintenance, in-depth repairs, troubleshooting, wiring diagrams, and specifications.
Page Count:
Not specified, but described as 'in-depth' and covering 'all areas of repair'.
Manual Type:
Service and Repair Manual
Systems Covered:
Engine (top end, bottom end, cooling), transmission, clutch, carburetor, ignition system, electrical system (lighting, wiring), suspension (front forks, rear shock absorber), brakes (front and rear), wheels and tires, chassis, bodywork, fuel system, exhaust system, and lubrication.
Procedures Included:
Routine maintenance checks (oil changes, filter replacements, chain adjustment), detailed engine rebuilds, carburetor tuning and rebuilding, suspension fork servicing, rear shock absorber maintenance, brake bleeding and pad replacement, clutch inspection and adjustment, electrical system troubleshooting using wiring diagrams, wheel bearing replacement, and general chassis maintenance.
Technical Depth:
Comprehensive; includes step-by-step instructions, torque specifications, special tool requirements, diagnostic procedures, and visual aids (pictures and wiring diagrams).
Print Quality:
Professional quality, designed for clear viewing and printing on PC, MAC, Tablets & Smartphones.
Binding Type:
Digital Download (No physical binding)
Paper Type:
Not Applicable (Digital)
Compatibility:
Windows, macOS, Linux, Tablets, and Smartphones.
Engine Type:
Liquid-cooled, 2-stroke, single-cylinder
Bore X Stroke:
48.0 mm x 46.0 mm
Horsepower:
Approximately 17.3 HP @ 11,500 rpm (typical for this class, specific figure depends on dyno and testing conditions)
Torque:
Approximately 7.8 lb-ft @ 10,500 rpm (typical for this class)
Fuel Delivery:
Carburetor (Mikuni VM28SS)
Fuel Type:
Unleaded gasoline with 2-stroke oil pre-mix (typically 50:1 ratio)
Ignition System:
Digital CDI
Cooling System:
Liquid-cooled
Oil Type:
Suzuki recommends specific 2-stroke oil for premix. Manual will specify grade and brand/type.
Piston Ring Gap:
Refer to manual for precise spec, typically 0.20-0.40mm for new ring.
Cylinder Bore Tolerance:
Refer to manual for precise spec, typically within 0.01mm of nominal.
Transmission Type:
6-speed constant mesh
Clutch Type:
Wet, multi-plate
Gear Ratios:
Refer to manual for specific gear ratios.
Transmission Oil Type:
Suzuki recommends specific motorcycle transmission oil. Manual will detail grade and quantity (e.g., SAE 10W-40 API SG).
Overall Length:
Approx. 1845 mm (72.6 in)
Overall Width:
Approx. 765 mm (30.1 in)
Overall Height:
Approx. 1165 mm (45.9 in)
Dry Weight:
Approx. 72 kg (159 lbs)
Curb Weight:
Not officially specified, but typically heavier than dry weight due to fluids.
Wheelbase:
Approx. 1240 mm (48.8 in)
Ground Clearance:
Approx. 325 mm (12.8 in)
Seat Height:
Approx. 850 mm (33.5 in)
Safety Ratings:
Off-road motorcycles are not subject to the same safety ratings (e.g., NHTSA, Euro NCAP) as street-legal vehicles. Safety is primarily dependent on rider skill and protective gear.
Active Features:
Agile chassis, effective suspension damping, responsive braking system.
Passive Features:
Durable frame construction, protective bodywork, handguards (often aftermarket).
Infotainment Features:
N/A (Basic motocross bike, no electronic infotainment features).
Driver Assistance Features:
N/A (Basic motocross bike, no electronic driver assistance features).
Connectivity Features:
N/A (Basic motocross bike, no connectivity features).
Engine Management System:
Digital CDI ignition provides precise spark timing for optimal engine performance across the rev range.
Routine Maintenance:
Air filter cleaning/replacement: after every few rides or as per manual; spark plug check/replacement: every 10-20 hours of use; chain lubrication: after every ride or as needed; oil change (transmission): as per manual, typically every 15-30 hours; top-end inspection: 20-40 hours of use.
Engine Oil Premix:
High-quality 2-stroke motorcycle oil, typically 50:1 ratio. Manual will specify grade and type (e.g., JASO FD or equivalent).
Transmission Oil:
SAE 10W-40 API SG or higher (Suzuki branded or equivalent). Capacity: Approx. 0.8 Liters (0.85 US qt).
Coolant:
Suzuki Super Long Life Coolant or a premium quality ethylene glycol-based coolant with distilled water (50/50 mix). Capacity: Approx. 0.7 Liters (0.74 US qt).
Known Issues:
Like many 2-stroke motocross bikes, requires diligent maintenance. Common areas for wear include piston rings, clutch plates, and front fork seals due to the demanding nature of off-road riding. Carburetor jetting can be sensitive to altitude and temperature changes.
Common Tune Ups:
Regular cleaning of the air filter, ensuring correct fuel-oil mixture, checking and adjusting the chain tension, and inspecting brake pads and fluid levels are crucial for optimal performance and longevity.
Brand Heritage:
Suzuki has a long and successful history in motocross, highlighted by the iconic RM and RM-Z lines, known for their performance and race-winning capabilities.
Model Evolution:
The RM85 evolved from earlier RM models, focusing on optimizing performance for the junior racing class. Updates often include chassis refinements, suspension improvements, and engine tuning for enhanced power delivery and handling.
Production Years:
The RM85 platform has been in continuous production for many years, with the 2009 onward model representing a significant iteration.
Manufacturing Location:
Typically manufactured in Japan or other Suzuki global production facilities.
Recognitions:
The RM85 platform consistently receives positive reviews from motorcycle publications and is a favored choice among young riders and their parents for its performance and reliability in its class.
Rider Ratings:
Highly rated by riders and industry experts for its powerful engine, nimble handling, and suitability for competitive junior motocross racing.
