1987-1988 Honda TRX 250X FourTrax Service Manual

Honda TRX 250X FourTrax 1987–1988 — Product Scope

• Built for owners and workshops servicing the 1987–1988 Honda TRX 250X FourTrax ATV
• Official Honda service publication containing all necessary technical specifications for maintenance and internal component review
• Contains 56 individual torque reference tables for engine and frame fastener assembly
• Accessible from your device as soon as the order is placed
• No shipping wait — the PDF is available immediately after purchase
• OCR text layer lets you jump to a torque spec by keyword
• Indexed PDF search covers every chapter and appendix
• This specific edition is the original workshop documentation used for the 1987–1988 production run, featuring full exploded-view schematics for the engine, transmission, and chassis

Technical Documentation Overview

The 1987–1988 Honda TRX 250X FourTrax service manual provides detailed data on the entire 246.4 cc air-cooled powerplant, including comprehensive coverage of the cylinder head, valves, crankshaft, and 5-speed constant mesh transmission. Understanding factory workshop documentation is structured in this format ensures that technicians and owners have the correct identification for individual assemblies, including the clutch, oil pump, and kick starter mechanisms.

Additional sections document the chassis and suspension, detailing the double-cradle frame geometry, front wishbone suspension, and hydraulic brake systems. Extensive wiring diagrams and electrical system references facilitate diagnostic checks for the CDI ignition and alternator charging systems.

Specification Highlights

The manual includes critical tightening values such as the 35–45 Nm torque for cylinder head nuts and the 60–80 Nm torque for the primary drive gear lock nut. Cylinder compression is documented at 1,275 ± 100 kPa for standard operation. Valve clearance for both the intake and exhaust valves is specified at 0.10 mm in the engine data section. The oil system capacity is listed at 2.0 liters for full engine disassembly. An official 1987–1988 Honda TRX 250X FourTrax OEM workshop manual covering engine, chassis, electrical, and fuel-injection specifications for the C4085-91017 build series.