1985-1987 Honda FourTrax 250 / TRX 250 Service Manual

Official factory service and repair manual for 1985-1987 Honda FourTrax 250 and TRX 250 ATVs. Covers all systems, maintenance, and troubleshooting.

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Document Details

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Document Number / Seller:
30887 / Christopher Diaz
File Size:
25.72 MB
File Type:
PDF
Language:
English
Pages:
233
Printable:
Yes
Category:
ATV
Last updated / verified
Jul 13, 2025

Models Covered & Key Technical Specifications

Honda FourTrax 250 / TRX 250 (1985-1987) Service Manual Factory-Grade Service | Honda FourTrax 250 / TRX 250 Portfolio

  • Documented Package Size: 25.72 MB establishes the file size for easy storage and transfer.
  • Native Resolution: 46.3 kg is the standard engine dry weight Measurement.
  • Technical Alignment Specs: 246 cc signifies the total engine displacement Capacity.
  • Maximum System Configuration: 19.3 HP indicates the peak horsepower achieved during operation.
  • Universal Net Mass: 257.7 mm defines the free length of the rear shock absorber Spring.
  • Prescribed Thermal Limits: 10.0 liter is the standard fuel tank capacity.

Manual Description & Preview

Honda FourTrax 250 / TRX 250 (1985-1987) Service Manual

Specification-Class: Factory-Grade Service // Year-Coverage: 1985-1987 // Specification-Class: ATV

Service-Nexus Parameters Architecture
Maintenance Schedule Every 30 days or 3 months Corrective and Preventive pathway
Engine Oil and Filter Replacement and Checks Lubrication System Management
Fuel System Carburetor Specifications Fuel Delivery Pathway Configuration
Brakes Front and Rear Drum Systems Hydraulic and Mechanical Architecture
Suspension Shock Absorber and Swing Arm Load Bearing Pathway

Maintenance information covers.

This manual provides comprehensive documentation for the Honda FourTrax 250 and TRX 250 models from 1985 to 1987. It details engine systems, including lubrication and fuel delivery. The chassis covers suspension, brakes, and wheels. Electrical system information and troubleshooting guidance are also included. Procedures for general maintenance, engine removal/installation, and component-specific tasks are thoroughly outlined, ensuring proper vehicle upkeep and repair.

FAQ

Specify the lubrication requirements for the Honda FourTrax 250 keyboard_arrow_down

2.5 liters (2.6 US qt, 2.2 Imp qt) of SAE 10W-40 engine oil is recommended after disassembly, with 2.1 liters (2.2 US qt, 1.8 Imp qt) required at draining.

What is the exact testing parameters for the front wheel bearings? keyboard_arrow_down

19.95 mm is the standard I.D. for the crankshaft bearing, while 20.05 mm is the service limit.

Calculate the specific diagnostic procedures for steering stem bearing issues keyboard_arrow_down

14.15 mm is the service limit for the knuckle bushing I.D., requiring replacement if wear exceeds this dimension.

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