The Yamaha TRX850, introduced for the 1996 model year, is a sport-touring motorcycle renowned for its distinctive styling and the robust performance of its liquid-cooled, 4-stroke, DOHC, 4-valve parallel-twin engine. With a displacement of 849 cc, it delivers approximately 80-85 horsepower and 75-80 Nm of torque, offering strong mid-range power ideal for both spirited riding and comfortable touring. Sharing mechanical heritage with the TDM850, the TRX850 features a capable chassis, adjustable front and rear suspension, and effective braking systems, making it a versatile machine that competed effectively in its class. Its engineering reflects a commitment to reliability and performance, with a focus on providing an engaging riding experience.
This comprehensive Workshop Service Repair Manual, written in English, is designed to guide owners, mechanics, and technicians through the maintenance and repair of the 1996 Yamaha TRX850. It covers all essential systems, including the engine (fuel, cooling, top end, clutch, lubrication, crankshaft/transmission), chassis (wheels/tires, final drive, brakes, suspension, steering, frame), and electrical systems, complete with troubleshooting and wiring diagrams. The manual provides step-by-step instructions for complete disassembly and reassembly, supported by detailed substeps, notes, cautions, and warnings, ensuring thorough understanding and execution of all service procedures. Its extensive content makes it an invaluable resource for maintaining the longevity and optimal performance of your Yamaha TRX850.
Engine Code Identifier:
Likely based on the TDM850 engine series, specific code not provided but implied by model designation.
Class:
Sport Touring Motorcycle
Key Competitors Era:
Competed with other parallel-twin sport-touring bikes of the mid-1990s, offering a blend of performance and versatility.
Unique Selling Points:
Distinctive styling, parallel-twin engine with strong mid-range torque, capable chassis for both sporty riding and touring.
Covered Models:
Yamaha TRX850 1996 (all styles covered)
Estimated Page Count:
Hundreds of pages (exact count not specified, but described as complete).
Type:
Workshop Service Repair Manual
Engine Systems:
Fuel system, Cooling system, Engine top end, Clutch, Engine lubrication system, Crankshaft/Transmission
Chassis Systems:
Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame
Electrical Systems:
Electrical System (including troubleshooting and wiring diagrams)
Maintenance And Repair:
Step-by-step instructions for repair and service, based on complete disassembly. Includes detailed substeps, notes, cautions, and warnings.
Depth:
Complete disassembly and reassembly procedures, suitable for both do-it-yourselfers and experienced mechanics. Offers in-depth detail with photos and illustrations.
Printability:
Printable without restriction (entire manual or selected pages).
Binding:
Digital download (user printable for desired binding).
Paper Format:
Digital (user printable on desired paper type).
Reader Requirement:
Adobe PDF Reader
Engine Type:
Liquid-cooled, 4-stroke, DOHC, 4-valve, parallel-twin
Horsepower:
Approximately 80-85 HP (claimed, varies by market).
Torque:
Approximately 75-80 Nm (claimed, varies by market).
Carburetion:
Dual Mikuni carburetors (likely 36mm or similar, specific size in manual).
Fuel Delivery:
Carburetor
Engine Lubrication System
Oil Type:
Yamaha recommends Yamalube or equivalent 4-stroke motorcycle oil (specific viscosity and API classification available in manual, e.g., 10W-40 or 20W-50).
Oil Capacity:
Approximately 3.0 - 3.5 liters with filter change (exact figure in manual).
Coolant Type:
Permanent type antifreeze coolant, mixed 1:1 with distilled water (specific Yamaha coolant or equivalent mentioned in manual).
Valve Clearance Intake:
Specified in manual, typically around 0.10-0.18 mm cold.
Valve Clearance Exhaust:
Specified in manual, typically around 0.13-0.21 mm cold.
Transmission Type:
5-speed constant mesh
Optional Transmissions:
None
Clutch Type:
Wet, multi-plate
Transmission Oil Type:
Same as engine oil (Yamaha recommends Yamalube or equivalent 4-stroke motorcycle oil).
Transmission Oil Capacity:
Included in overall engine oil capacity, specific transmission gear oil level check procedure outlined.
Length:
Approx. 2,155 mm (84.8 in)
Width:
Approx. 770 mm (30.3 in)
Height:
Approx. 1,215 mm (47.8 in)
Dry Weight:
Approx. 183 kg (403.4 lbs)
Wet Weight:
Approx. 201 kg (443.1 lbs) (with all fluids)
Front Tire Size:
120/70 ZR17 M/C (58W)
Rear Tire Size:
160/60 ZR17 M/C (69W)
Front Wheel Type:
Cast aluminum
Rear Wheel Type:
Cast aluminum
Wheelbase:
Approx. 1,435 mm (56.5 in)
Safety Ratings:
Motorcycle safety ratings are not typically standardized like automobiles. Focus is on rider safety features and handling.
Braking System:
Dual front disc brakes, single rear disc brake. Specifics on caliper type and disc diameter in manual.
Suspension Front:
Telescopic fork, adjustable preload and rebound damping (specifics in manual).
Suspension Rear:
Monoshock with linkage, adjustable preload and rebound damping (specifics in manual).
Lighting:
Halogen headlamp, LED tail light (typical for the era), turn signals.
Instrumentation:
Analog speedometer and tachometer, fuel gauge, odometer, trip meter, neutral indicator, high beam indicator, oil pressure warning light, temperature warning light.
Rider Aids:
None in the modern sense (e.g., no ABS, traction control).
Connectivity Features:
N/A (basic motorcycle electronics).
Oil Change Interval:
Recommended every 3,000 - 5,000 km (1,800 - 3,000 miles) or 6 months, whichever comes first (detailed in manual).
Air Filter Cleaning Interval:
Recommended every 6,000 - 10,000 km (3,700 - 6,200 miles) or annually (detailed in manual).
Spark Plug Replacement Interval:
Recommended every 12,000 - 18,000 km (7,500 - 11,000 miles) (specific plug type and gap in manual).
Brake Fluid Type:
DOT 4 (or DOT 3 as minimum, DOT 4 recommended. Exact specification in manual).
Coolant Specification:
Ethylene glycol-based permanent antifreeze coolant, mixed 1:1 with distilled water.
Common Wear Items:
Cam chain tensioner (can become noisy), carburetor synchronization, regulator/rectifier unit failures (common on many bikes of this era).
Maintenance Focus:
Regular oil changes, chain lubrication and adjustment, brake fluid flush, carburetor cleaning and tuning are crucial for longevity.
Brand Focus:
Yamaha's legacy includes performance motorcycles across various categories, from sportbikes to cruisers and off-road.
Predecessors:
Influenced by and shares mechanical components with the Yamaha TDM850, which predates the TRX850.
Successors:
While not a direct successor in name, Yamaha's sport-touring segment evolved with models like the FJR1300.
Production Years:
Introduced for the 1996 model year, production ran for several years in the late 1990s and early 2000s.
Manufacturing Location:
Japan
Motorcycle Reviews:
Received positive reviews for its torquey engine and versatile performance, though styling was sometimes polarizing.
Reliability Reputation:
Generally considered reliable Yamaha engineering, with common wear items being manageable with regular maintenance.
