1987-1998 Suzuki LT-F250, LT-4WD & LT-F4WDX ATV Service & Repair Manual (P/N 99000-06103-041)
264 Pages • 51.98 MB • Instant, Printable PDF
Suzuki Models Covered & Key Technical Specifications
Models: LT-F250, LT-4WD, LT-F4WDX
Sub-models / Variants: 250 cc models, 280 cc models, 2-Wheel Drive, 4-Wheel Drive
Trade Names: Quad Runner 250, King Quad 280
Model Years: 1987–1998
Serial Numbers: JSAAJ47A J2100001-on, JSAAJ47A K2100001-on, JSAAJ47A L2100001-on, JSAAJ47A M2100001-on, JSAAJ47A N2100001-on, JSAAJ47A P2100001-on, JSAAJ47A R2100001-on, JSAAJ47A S2100001-on, JSAAJ45A H2100060-on, JSAAJ45A J2100001-on, JSAAJ45A K2100001-on, JSAAJ45A L2100001-on, JSAAJ45A M2100001-on, JSAAJ45A N2100001-on, JSAAJ45A P2100001-on, JSAAJ45A R2100001-on, JSAAJ45A S2100001-on, JSAAK42A M2100001-on, JSAAK42A N2100001-on, JSAAK42A P2100001-on, JSAAK42A R2100001-on, JSAAK42A S2100001-on
Technical Data:
- Engine oil capacity: 3500 ml (3.7 U.S. qts.)
- Compression pressure (standard): 1000-1400 kPa (142-199 psi)
- Compression pressure (service limit): 800 kPa (114 psi)
- Valve clearance (intake): 0.03-0.08 mm (0.001-0.003 in.)
- Valve clearance (exhaust): 0.08-0.13 mm (0.003-0.005 in.)
- Fuel tank capacity: 12 liters (3.2 U.S. gal.)
- Idle speed (250 cc models): 1350-1450 rpm
- Idle speed (280 cc models): 1400-1600 rpm
Suzuki Manual Features & Content Preview
- Covers the 1987–1998 Suzuki LT-F250, LT-4WD, and LT-F4WDX series, including both 250 cc Quad Runner and 280 cc King Quad variants.
- Delivers Publication 99000-06103-041, featuring highly detailed technical specifications for the entire model range.
- Features 79 detailed illustrations, schematics, and comprehensive torque-specification tables.
- Essential reference material for verifying correct part fitment prior to any repair.
Mechanical and Electrical Documentation
Having accurate factory specifications on hand streamlines the repair process in any professional or home workshop. It eliminates guesswork when identifying clearances or tracing complex wiring faults. Always review standard shop safety protocols and ensure the ATV is securely supported before beginning any teardown. This official Clymer-style documentation provides an extensive overview of internal engine systems. Sections detail the cylinder head, camshaft, crankshaft, and wet-sump lubrication assembly. The text also outlines the exact operation of the manual and centrifugal clutch, transmission, and gearshift linkage. Fuel and exhaust system maintenance data is split clearly between 1987–1989 and 1990-on model variants.
Technical Specifications and Maintenance Data
Electrical system coverage dives deep. It documents precise wiring diagrams, charging circuit diagnostics, and ignition components for the capacitor discharge ignition (CDI) system used across the product line. Specifications are provided in both metric and US customary units for quick reference. The document details critical torque values, such as the 8 mm cylinder head nuts at 18–23 Nm (13–16.5 ft-lbs) for 250 cc engines. Fluid capacities are explicitly tabulated. You will find exactly 3.6 liters for oil and filter changes and 150 ml for the 4-wheel drive front differential. Reference charts cover valve clearance settings, compression thresholds, and idle speed adjustments. This complete spec overview ensures machinery aligns strictly with manufacturer-recommended operating parameters.
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