1986-1989 Honda TRX350 FourTrax & TRX350D Foreman Repair Manual • P/N 61T-2000, issued August 1988

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Honda Models Covered & Key Technical Specifications

Models: Honda TRX350 FourTrax, Honda TRX350D Foreman
Sub-models / Variants: 4x4
Trade Names: FourTrax, Foreman
Model Years: 1986–1989
Technical Data:

  • Engine type: Air-cooled 4-stroke, single-cylinder, 20-degree incline
  • Engine displacement: 350.4 cc (21.4 cu-in)
  • Compression ratio: 8.5:1
  • Lubrication: Forced pressure and wet sump with oil cooler
  • Transmission: 5-speed constant mesh with reverse, wet multi-plate semi-automatic clutch
  • Engine oil capacity: 2.8 liters (3.0 US qt) at disassembly; 2.3 liters (2.4 US qt) after draining
  • Fuel tank capacity: 10.5 liters (2.8 US gal)
  • Cylinder compression: 125–145 kPa (178–206 psi)
  • Tire pressure (Front/Rear): 2.2 psi (15 kPa)
Technical Specifications
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Document Number / Seller:
29643 / Edward Robinson
File Size:
32.83 MB
File Type:
PDF
Language:
English
Pages:
303
Printable:
Yes
Category:
ATV
Last updated / verified
Jun 7, 2026

Honda Manual Features & Content Preview

Technical Overview: 1986–1989 Honda TRX350 FourTrax & TRX350D Foreman

  • Covers 1986–1989 Honda TRX350 FourTrax and TRX350D Foreman 4x4 models. Details mechanical, electrical, and chassis specs for the 350.4 cc air-cooled engine.
  • Official 303-page Honda Motor Co. publication (61T-2000, August 1988). Provides factory-authorized data to eliminate guesswork and speed up workflow in the shop.
  • Includes 569 exploded-view diagrams, system routing charts, and strict torque specs.
  • Available as an instant download the moment your payment clears.
  • Fully indexed. The searchable PDF lets you find specific chapters or appendix data in seconds.

Component and System Documentation

This manual documents the exact technical requirements for the engine, chassis, and electrical grid. It outlines assembly and disassembly sequences for the cylinder head, valves, pistons, and clutch, alongside maintenance protocols and fuel system handling. Chassis data covers front and rear suspension, steering geometry, and the braking setup (hydraulic front and cable-operated rear drum). Working on these heavy 4x4s requires precision. Strictly following these factory tolerances is essential to prevent component failure and ensure safe operation on the trail.

Key Specifications

Stop guessing on capacities. This reference lists exact volumes for engine oil, differential fluid, and fuel. Standardized torque values ensure every fastener is properly seated.

  • Intake and exhaust valve clearance: 0.08 mm
  • Cylinder compression pressure: 125–145 kPa
  • CDI timing: 10° BTDC at idle
Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

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