Target Audience:
Owners of Honda TRX 90 ATVs seeking to perform maintenance, repairs, or rebuilds
Value Proposition:
Provides comprehensive repair and maintenance information for a specific ATV model across a significant production run, offering a cost-effective alternative to dealership service
Manual Features:
Detailed procedures, part diagrams, torque specs, troubleshooting guides, searchable and printable format
Primary Coverage:
Complete teardown and rebuild, maintenance, troubleshooting, repair
Included Diagrams:
Part diagrams, exploded views
Technical Data Included:
Torque specifications, fluid specifications, electrical schematics (implied)
Delivery Method:
Instant Download
File Permissions:
Printable, savable, burnable to disc
Navigation:
Clickable chapters, searchable text
Replacement Policy:
Free replacement for lost manuals
Engine:
Complete engine overhaul, tear down, rebuild, internal components (piston, cylinder, crankshaft, conrod, camshaft, valves, etc.), ignition system, starting system, carburetor/fuel system, exhaust system
Drivetrain:
Transmission, drive train, primary reduction gear, clutch, kickstart mechanism
Suspension:
Front forks, rear suspension (struts, springs, linkage), wheel alignment
Brakes:
Front and rear brake systems, including brake pads, rotors, lines, and hydraulic components
Electrical:
Lighting system (headlight, taillight), battery, stator, magneto, switches, wiring harness, charging system, rectifiers/regulators
Bodywork And Chassis:
Plastics, fenders, frame, seat, handlebars, cables (throttle, clutch), body panels
Maintenance:
Scheduled maintenance, fluid changes (oil, coolant), filter replacements, lubrication, valve adjustments
Repair:
Component replacement, system diagnostics, troubleshooting common problems (e.g., no spark, starting issues)
Rebuilds:
Complete engine rebuild, transmission overhaul, carburetor rebuilding
Adjustments:
Carburetor mixture screw adjustment, clutch adjustment, throttle cable adjustment, valve clearance adjustment
Troubleshooting:
Diagnostic flowcharts, common problems and solutions, error code interpretation (if applicable to the era/model)
Depth:
Comprehensive, suitable for DIY owners and professional technicians
Detail Level:
Step-by-step instructions with visual aids (pictures, diagrams)
Engine Type:
Air-cooled, four-stroke (typical for this era/model)
Displacement:
Approximately 86cc (Common displacement for the TRX90)
Bore X Stroke:
Specific data would be found within the manual (e.g., 50.0 mm x 45.2 mm typical)
Compression Ratio:
Specific data would be found within the manual (e.g., 9.5:1 typical)
Horsepower:
Specific data would be found within the manual (typically under 10 HP for this class)
Torque:
Specific data would be found within the manual
Fuel Delivery:
Carburetor (e.g., Keihin type)
Carburetor Model:
Specific model and size would be detailed in the manual (e.g., PD19J or similar)
Fuel Type:
Unleaded gasoline
Recommended Oil Viscosity:
Specific SAE viscosity grade (e.g., SAE 10W-40) and API classification would be in the manual
Oil Capacity:
Specific oil capacity (e.g., 0.8 L or 0.9 L) would be detailed in the manual
Ignition System:
CDI (Capacitor Discharge Ignition)
Starter Type:
Electric start, Kickstart (likely both available)
Length:
Specific dimensions are detailed in the manual, but generally compact for youth ATVs.
Width:
Specific dimensions are detailed in the manual.
Height:
Specific dimensions are detailed in the manual.
Curb Weight:
Specific weight is detailed in the manual, but typically around 115-125 kg (250-275 lbs)
Payload Capacity:
Not typically rated for significant payload, designed for rider.
Safety Certifications:
ANSI/SVIA standards (implied for ATVs).
Braking System:
Hydraulic disc brakes (front and rear) or drum brakes depending on the specific year/model, detailed in manual.
Operator Controls:
Handlebars, throttle control, brake levers, safety tether/kill switch (if equipped)
Lighting:
Headlight, taillight/brake light
Engine Oil Change:
Typically every 100 hours or annually, detailed in manual.
Air Filter Cleaning:
Frequent checks, cleaning every 20-30 hours or as needed based on conditions.
Spark Plug Replacement:
Typically every 2,000-3,000 miles or annually, specific gap setting in manual.
Valve Clearance Check:
Periodic checks (e.g., every 100-200 hours or annually), specific clearances in manual.
Engine Oil:
SAE 10W-40 API SG or higher (typical specification, confirm in manual)
Brake Fluid:
DOT 3 or DOT 4 brake fluid (typical, confirm in manual)
Coolant:
N/A (typically air-cooled)
Common Problems:
Carburetor issues (clogging, jetting), electrical connections (corrosion), chain/sprocket wear (if applicable), suspension wear
Troubleshooting Focus:
The manual's comprehensive nature addresses common issues like starting problems, poor running, and electrical faults.
Manufacturer:
Honda Motor Co., Ltd.
Reputation:
Known for reliability, quality engineering, and accessible recreational vehicles.
Production Span:
1993-2005, indicating a long-standing model with potentially minor updates during this period.
Manufacturing Location:
Likely Japan or North America (typical for Honda ATVs of this era)