1987-1998 Suzuki LT-F250, LT-4WD & LT-F4WDX ATV Service Manual
This comprehensive ATV service manual covers the Suzuki LT-F250, LT-4WD and LT-F4WDX from 1987-1998. It provides detailed information on maintenance, tune-up, repair, and overhaul. Ref: 99000-06103-041
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Sample pages from the 1987-1998 Suzuki LT-F250, LT-4WD & LT-F4WDX ATV Service Manual manual
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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
Build 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
1987–1998 Suzuki LT-F250, LT-4WD, and LT-F4WDX ATV Service Manual
- Covers 1987–1998 Suzuki LT-F250, LT-4WD, and LT-F4WDX series, including both 250 cc Quad Runner and 280 cc King Quad variants
- Third-party publication featuring detailed technical specifications for the entire model range
- Contains 79 detailed illustrations, technical diagrams, and comprehensive torque-specification tables
- Delivered as a direct download the moment payment clears
- Indexed PDF search covers every chapter and appendix
- Laid out for standard letter and A4 printing
- This 1987–1998 Clymer ATV service document is the essential reference for identifying build years and frame/engine serial number ranges across the entire LT-F250, LT-4WD, and LT-F4WDX family
Mechanical and Electrical Documentation
This 1987–1998 Suzuki LT-F250 and LT-4WD service manual provides extensive coverage of internal engine systems, including the cylinder head, camshaft, crankshaft, and wet-sump lubrication assembly. Detailed sections outline the operation of the manual and centrifugal clutch, transmission, and gearshift linkage, alongside fuel and exhaust system maintenance for 1987–1989 and 1990-on model variants. Electrical system coverage is particularly deep, documenting wiring diagrams, charging circuit diagnostics, and ignition components for the capacitor discharge ignition (CDI) system used across the product line.
Technical Specifications and Maintenance Data
Specifications are provided in both metric and US customary units for quick reference. The document details torque values for essential engine components, such as the 8 mm cylinder head nuts at 18–23 Nm (13–16.5 ft-lbs) for 250 cc engines. Fluid capacities are clearly tabulated, including 3.6 liters for oil and filter changes and 150 ml for the 4-wheel drive front differential. Readers can access technical resources on how factory workshop documentation is structured to better navigate the provided maintenance schedules and tolerance charts. Reference for valve clearance settings, compression thresholds, and idle speed adjustments for 250 cc and 280 cc engines ensures alignment with manufacturer-recommended operating parameters. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions.
An official Clymer-style workshop manual covering the 1987–1998 Suzuki LT-F250, LT-4WD, and LT-F4WDX, documenting engine, chassis, electrical, and fuel-injection specifications for the full range of 250 cc and 280 cc models.
Document Reference: Clymer Publication, 1987-1998 coverage scope
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