1993-2005 Honda TRX90 ATV Service Manual

Reference for TRX90 systems including engine, fuel, and electrical components. Documents maintenance procedures and troubleshooting guidance. PN 07700-0010000.

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Honda Models Covered & Key Technical Specifications

Models: Honda TRX90
Build Years: 1993–2005
Technical Data:

  • Engine displacement: 85.8 cm³ (5.23 cu in)
  • Bore and stroke: 47.0 × 49.5 mm
  • Compression ratio: 9.2
  • Idle speed: 1,600 ± 100 rpm
  • Transmission: 4-speed constant mesh
  • Valve clearance (intake/exhaust): 0.05 ± 0.02 mm
  • Spark plug (standard): CR7HSA (NGK), U22FSR-U (NIPPONDENSO)
Technical Specifications
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Document Number / Seller:
25039 / Steven Perez
File Size:
13.67 MB
File Type:
PDF
Language:
English
Pages:
125
Printable:
Yes
Category:
ATV
Last updated / verified
Jun 23, 2025

Honda Manual Features & Content Preview

Honda TRX90 1993–2005 Service Information

  • Covers 1993–2005 Honda TRX90 ATV service and maintenance procedures for all major engine, chassis, and electrical systems
  • Official Honda publication covering 125 pages of detailed technical specifications and component-level servicing data
  • Contains 15 sections including frame, engine, fuel system, clutch, transmission, and suspension subsystems
  • Accessible from your device as soon as the order is placed
  • Suitable for printing individual sections for shop-floor use
  • This 125-page factory manual serves as the primary technical reference for the 1993–2005 Honda TRX90 production run

Engine and Chassis Maintenance

This Honda TRX90 service manual documents the complete mechanical requirements for the 1993–2005 model series, focusing on frame components, exhaust systems, and engine internal servicing. Expert-level sections detail the removal and assembly of the piston, cylinder head, centrifugal clutch, and gearshift linkage, while providing troubleshooting flow charts for common operational symptoms. The publication bridges the gap between basic owner maintenance and deep internal rebuilds by providing detailed exploded-view illustrations for every major component group.

Technical Specifications and Data

Detailed specifications are provided for the engine, including fuel system jetting, valve clearance adjustments, and lubrication requirements. Valve clearance for the intake is listed at 0.05 ± 0.02 mm in the cylinder head specification table. Cylinder head bolt torque is specified at 10 N·m in the engine assembly data section. Front brake lever free play is documented at 10–20 mm in the wheel and tire specifications. The manual provides an essential roadmap for technicians and owners to verify component status against standard factory benchmarks for the 1993–2005 Honda TRX90. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 125-page Honda OEM workshop manual covering the 1993–2005 Honda TRX90, documenting engine, chassis, electrical, and fuel-system specifications for the 90cc-series platform.

Document Reference: Honda Motor Co., Ltd. Service Publication Office, 125 pages

Manual FAQ, Purchase & Download Details

Are the major mechanical systems like the transmission, engine, and suspension covered in the manual? keyboard_arrow_down

Document includes comprehensive chapters dedicated to major systems such as the transmission, engine, and suspension assemblies. Each section provides organized technical information for the referenced Honda TRX90 models.

Does the manual include wiring diagrams for the electrical system? keyboard_arrow_down

Document contains a dedicated section for wiring diagrams and electrical system references for the 1993-2005 TRX90.

Can I find technical reference data for the engine top-end and clutch assemblies in the document? keyboard_arrow_down

Manual includes chapters specifically addressing the cylinder head, piston, and clutch linkages. These sections contain various specification tables and dimensional tolerance data for the listed components.

Is there a central reference table for torque values and fastener specifications? keyboard_arrow_down

Document lists standard and specific torque values within dedicated tables in the General Information chapter.

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