1988-1992 Suzuki LT250R Service Manual

Documents water-cooled 246cc engine with crank balancer, exhaust valve control, and full-floating rear suspension. Complete periodic maintenance, tune-up, repair procedures, and chassis servicing.

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Suzuki Models Covered & Key Technical Specifications

Models: Suzuki LT250R
Sub-models / Variants: LT250RJ (1988), LT250RK (1989), LT250RL (1990), LT250RM (1991), LT250RN (1992)
Build Years: 1988–1992
Serial Numbers: Located on the left frame member and engine crankcase
Technical Data:

  • Engine displacement: 246 cm³ (15.0 cu in)
  • Engine type: Single-cylinder, two-stroke, water-cooled with SAEC exhaust valve
  • Transmission: 6-speed constant mesh with wet multi-plate clutch
  • Bore and Stroke: 67.0 mm x 70.0 mm
  • Compression ratio: 8.0:1
  • Drive chain: TAKASAGO RK520SMO-Z2 (102 links)
  • Fuel tank capacity: 11.5 L (3.0 US gal)
  • Transmission oil capacity: 900 ml (30.4 US oz)
  • Cooling system capacity: 880 ml (0.93 US qt)
Technical Specifications
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Document Number / Seller:
24628 / Dorothy Gonzalez
File Size:
116.65 MB
File Type:
PDF
Language:
English
Pages:
249
Printable:
Yes
Category:
ATV
Last updated / verified
Sep 6, 2025

Suzuki Manual Features & Content Preview

Technical Scope of the 1988–1992 Suzuki LT250R Factory Service Manual

  • Covers 1988–1992 Suzuki LT250R models including the LT250RJ, LT250RK, LT250RL, LT250RM, and LT250RN production variants
  • Original OEM publication P/N 99500-22066-01E, copyright 1990 by Suzuki Motor Corporation
  • Contains 121 exploded-view diagrams, 8 detailed torque-specification charts, and 5 system-specific wiring and fluid maintenance tables
  • File link appears in your order confirmation straight away
  • Stored against your account so you can retrieve it after a hard-drive loss
  • No DRM restrictions on the print function
  • Indexed PDF search covers every chapter and appendix
  • This official 1990 first-edition manual remains the only document that fully outlines the factory setup for the 1988–1992 LT250R water-cooled performance engine build

Component and System Documentation

The 1988–1992 Suzuki LT250R service manual offers a detailed exploration of the liquid-cooled two-stroke engine and its supporting chassis components. Chapters document general engine maintenance including removal, disassembly, and reassembly, alongside specifications for the transmission, cooling system, and electrical components. The content progresses through chassis maintenance including suspension adjustment, brake fluid service, and drive chain tensioning protocols.

Specification Highlights and Reference Values

The manual documents precise technical data for the 1988–1992 Suzuki LT250R. Engine head bolt torque is specified at 26–30 Nm (19.0–21.5 lb-ft) as listed in the periodic maintenance section. Transmission oil capacity is documented at 900 ml (30.4 US oz) per the transmission lubrication table. The Suzuki LT250R cooling system radiator cap valve release pressure is listed at 110 ± 15 kPa (15.6 ± 2.1 psi). What an OEM factory workshop publication covers includes assembly sequences, fastener torque values, and lubricant recommendations for the cooling and drive systems.

Note: All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This official factory publication provides exhaustive technical specifications, assembly diagrams, and maintenance parameters for the 1988–1992 Suzuki LT250R, serving as the essential resource for servicing the 246 cc two-stroke engine and associated chassis systems.

Manual FAQ, Purchase & Download Details

Can I view the wiring diagrams and electrical connector pinout references in this PDF manual? keyboard_arrow_down

Document includes sections dedicated to the electrical system, providing wiring diagrams and connector references for the covered models. These sections offer a comprehensive look at the electrical layout and system components.

Which specific chapters include information on the charging, ignition, and electrical switchgear systems? keyboard_arrow_down

Chapter 6 covers the electrical system in detail, referencing components like the ignition system, magnetos, and other electrical architecture.

What information does the manual include regarding fluid capacities and lubricant specifications? keyboard_arrow_down

Manual features comprehensive specification tables that list required volumes for coolant, transmission oil, and fuel capacities. These tables also provide recommendations for appropriate lubricants and fuel types to maintain the vehicle according to manufacturer standards.

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