1980-1984 Yamaha XT250 Service Manual

Technical Scope for the 1980–1984 Yamaha XT250

• Covers 1980–1984 Yamaha XT250 motorcycles, including the California-compliant XT250LC variant and earlier XT250G/H/J/K sub-models
• Official Yamaha publication P/N LIT-11616-XT-04, 1st Edition June 1984
• Contains 83 detailed exploded-view assembly diagrams and 35 individual torque specification tables for critical chassis and engine components
• File link appears in your order confirmation straight away
• OCR text layer lets you jump to a torque spec by keyword
• Suitable for printing individual sections for shop-floor use
• This 1984 first edition serves as the master reference for the 1980–1984 production run, consolidating previous supplementary documentation into one master volume

Factory Service Documentation

The 1980–1984 Yamaha XT250 service manual documents factory procedures for engine and chassis maintenance. Coverage begins with general machine identification, including specific VIN and engine serial number prefix locations for the standard and California-spec units. Subsequent sections detail periodic inspection intervals for emissions-related components and essential lubrication schedules covering engine oil, air filtration, and drive chain maintenance. The manual provides specialized guidance for carburetor system adjustment, including the coasting enricher operation, idle speed settings, and synchronization for the primary and secondary carburetors.

Engine and Chassis Specifications

Engine overhaul sections provide dimensional data for top-end components, including piston-to-cylinder tolerances, valve seat width limits, and cam-to-cap clearance values. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage values of 40 Nm (29 ft lb) for M10 bolts. The Yamaha XT250 compression pressure is specified at 1,079 kPa in the diagnostic reference charts. Intake valve clearance for the 1980–1984 Yamaha XT250 is listed at 0.08–0.12 mm in the cylinder head specification table. Front fork oil capacity for each tube is documented at 323 cm³ as specified in the suspension maintenance data. Understanding factory workshop documentation is structured assists technicians in locating tolerance charts and electrical schematics throughout the document. This 327-page official Yamaha workshop manual covers the 1980–1984 Yamaha XT250, documenting engine, chassis, and electrical system specifications for the full product range including the XT250L and XT250LC variants.