Segment:
Mini Motocross / Youth Dirt Bike
Target Audience:
Young riders, aspiring motocross racers, and recreational off-road enthusiasts.
Key Competitors:
KTM 85 SX, Yamaha YZ85, Kawasaki KX85, Honda CR85R.
Engine Type:
High-performance 85cc, liquid-cooled, two-stroke, reed-valve induction.
Chassis Design:
Race-proven perimeter frame and long-travel suspension for superior handling.
Value Proposition:
Empowers owners and technicians with the knowledge to maintain, diagnose, and repair the RM85L effectively.
Engine Overhaul:
Complete teardown, inspection, repair, and reassembly of the 85cc two-stroke engine.
Transmission And Clutch:
Inspection, adjustment, repair, and replacement of the gearbox, clutch assembly, and related components.
Fuel System:
Carburetor disassembly, cleaning, adjustment, and troubleshooting; fuel tank and petcock maintenance.
Cooling System:
Maintenance and troubleshooting of the liquid cooling system (if applicable, though RM85 is typically air-cooled).
Ignition System:
Spark plug specifications, ignition timing (if adjustable), CDI unit, and related electrical components.
Exhaust System:
Inspection, maintenance, and replacement of the exhaust pipe and silencer.
Frame And Bodywork:
Inspection, repair, and replacement of the frame, sub-frame, plastics, seat, and fenders.
Suspension Front:
Complete fork disassembly, seal replacement, oil level and type specifications, adjustments, and troubleshooting.
Suspension Rear:
Monoshock removal, linkage inspection and lubrication, shock absorber service (if applicable), and adjustment procedures.
Brakes Front:
Brake caliper maintenance, pad replacement, hydraulic system bleeding, and disc inspection.
Brakes Rear:
Brake caliper maintenance, pad replacement, hydraulic system bleeding, and drum/disc inspection.
Wheels And Tires:
Tire pressure recommendations, wheel bearing inspection and replacement, spoke tension adjustment, and rim maintenance.
Electrical System:
Wiring diagrams, troubleshooting guides for lighting, ignition, and kill switch circuits.
Routine Maintenance:
Oil changes, filter cleaning/replacement, chain adjustment, spark plug checks, air filter cleaning.
Troubleshooting Guides:
Step-by-step diagnostic procedures for common problems (e.g., hard starting, poor running, clutch slipping).
Disassembly And Assembly:
Detailed instructions for removing, inspecting, repairing, and reinstalling all major vehicle components.
Rebuild Procedures:
Complete engine rebuild, including piston, ring, crankshaft, and bearing replacement.
Torque Specifications:
Precise torque values for all critical fasteners to ensure proper assembly and prevent damage.
Special Tool Requirements:
Identification of and instructions for using any specialized tools required for specific procedures.
Diagnostic Capabilities:
Advanced troubleshooting for engine performance issues, electrical faults, and mechanical failures.
Repair Methodology:
Detailed repair instructions covering both minor adjustments and complete component overhauls.
Technical Diagrams:
Exploded views of all major assemblies for easy identification of parts and their relationships.
Wiring Diagrams:
Comprehensive electrical system schematics for accurate diagnosis and repair.
Engine Type:
84.7cc liquid-cooled 2-stroke, reed valve, TM V-Force reed block.
Bore X Stroke:
48.0 mm x 46.8 mm
Compression Ratio:
9.7:1 (approx.)
Cylinder Design:
Aluminum alloy cylinder with chrome-plated bore.
Crankshaft Design:
Balanced crankshaft with roller bearings.
Horsepower Estimated:
Approx. 25-28 HP (at crankshaft)
Torque Estimated:
Approx. 15-17 lb-ft (at crankshaft)
Carburetor Model:
Mikuni VM28SS
Carburetor Jetting Notes:
Manual provides detailed jetting tables for various conditions and altitudes.
Fuel Type:
Unleaded gasoline with a minimum octane rating of 91 (95 RON).
Fuel Oil Mixture:
50:1 ratio using high-quality 2-stroke synthetic oil.
Engine Oil Change:
Check and top-up as needed. Full change typically after intensive use or rebuild.
Air Filter Cleaning:
Clean after every few rides or more frequently in dusty conditions.
Chain Lubrication Adjustment:
Lubricate and adjust tension before every ride or as per manual's recommendation.
Spark Plug Inspection:
Inspect every 10-15 hours of riding, replace as needed.
Fork Oil Change:
Recommended every 20-30 hours of riding for optimal suspension performance.
Brake Pad Inspection:
Inspect regularly for wear and replace as needed.
Transmission Oil:
Suzuki Gear Oil API GL-4, SAE 80W or equivalent.
Coolant Type:
High-quality motorcycle coolant (ethylene glycol based) mixed with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Clutch Wear:
Clutch plates can wear over time with aggressive riding; manual provides replacement procedures.
Carburetor Fouling:
Carburetor jets can get clogged due to fuel quality or debris; regular cleaning is advised.
Suspension Seals:
Fork seal leaks are common with heavy use; manual details seal replacement.
Power Valve Adjustment:
The powervalve system requires periodic inspection and adjustment for optimal performance.