1986 Suzuki LT250R Service Manual (P/N 99500-22041-01E)
204 Pages • 78.52 MB • Instant, Printable PDF
Suzuki Models Covered & Key Technical Specifications
Models: Suzuki LT250R
Sub-models / Variants: LT250RG
Model Years: 1986
Serial Numbers: LT250RG
Technical Data:
- Engine displacement: 249 cm3
- Engine configuration: 2-stroke, water-cooled, single cylinder
- Bore and Stroke: 70.0 mm x 64.8 mm
- Compression ratio: 7.2:1
- Carburetor: MIKUNI VM32SS
- Ignition type: Suzuki PEI
- Ignition timing: 6° B.T.D.C. at 1000 r/min, 13° B.T.D.C. at 8500 r/min
- Transmission: 5-speed constant mesh
- Drive system: Chain drive
- Suspension (Front): Independent double wishbone, spring 5-way adjustable
- Suspension (Rear): Full-floating, spring pre-load fully adjustable, gas/oil damped, damping force 4-way adjustable
Suzuki Manual Features & Content Preview
- Original OEM publication P/N 99500-22041-01E (copyright 1985) covering the 1986 Suzuki LT250R.
- 204 pages providing factory-authorized service intervals and repair logic established specifically for the LT250RG Quad Racer launch build.
- Details the 249 cc 2-stroke water-cooled engine, chassis, electrical, and fuel systems.
- Features 211 technical illustrations, 64 torque-specification entries, and 12 detailed exploded-view diagrams.
Technical Documentation Overview
When you are turning wrenches on a vintage Quad Racer, guesswork is not an option. This 1986 Suzuki LT250R service manual delivers the exact technical documentation required to maintain the 249 cc power plant and chassis systems. You get the original factory resource detailing the disassembly, inspection, and reassembly protocols used by dealership mechanics, alongside maintenance schedules built for both standard riding and severe racing conditions. Please ensure you read the initial safety precautions regarding proper ventilation and protective gear before handling fuel systems or suspension components, as ignoring factory procedures can lead to equipment damage or severe injury.
Specification Highlights
Finding accurate baseline settings for a 30-year-old machine can be tough. This guide eliminates that problem. It packs critical reference data including chassis and engine torque limits, radiator cooling solution densities, and factory jetting for the MIKUNI VM32SS carburetor. Need electrical specs? The ignition timing is clearly documented at 6° B.T.D.C. at 1000 r/min. You will also find exact fluid requirements, like the 900 ml transmission oil capacity and the DOT3 or DOT4 brake fluid compatibility for both U.S. and international models.
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