1985-1990 Suzuki LT230, LT230GE, LT-F230G, LT230S, and LT250S ATV Service Manual (P/N SUZ-8590-ATV)
Suzuki Models Covered & Key Technical Specifications
Models: Suzuki LT230, LT230GE, LT-F230G, LT230S, LT250S
Sub-models / Variants: Shaft-driven models, Chain-driven models
Model Years: 1985–1990
Technical Data:
- Engine displacement: 229 cc
- Carburetor type: Mikuni VM24SS
- Engine oil capacity (shaft-driven): 1,700 cc (oil and filter) / 1,900 cc (overhaul)
- Engine oil capacity (chain-driven): 1,600 cc (oil and filter) / 1,700 cc (overhaul)
- Fuel tank capacity (shaft-driven): 10 liters (2.6 U.S. gal)
- Fuel tank capacity (chain-driven): 9.5 liters (2.4 U.S. gal)
- Spark plug gap: 0.6–0.7 mm (0.024–0.028 in)
- 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)
- Idle speed: 1,350–1,450 rpm
Suzuki Manual Features & Content Preview
This official 266-page Suzuki OEM workshop manual covers the 1985–1990 Suzuki LT230 and LT250 ATVs, providing complete diagnostic and teardown specifications for both shaft-driven and chain-driven models.
Technical Scope & Coverage
- Covers 1985–1990 Suzuki LT230, LT230GE, LT-F230G, LT230S, and LT250S
- Official service publication PN SUZ-8590-ATV, packed with factory-authorized specifications
- Includes 160 detailed figures, 7 reference tables for torque and fluid capacities, and integrated wiring diagrams
- Consolidates base service information with dedicated supplements for later model year updates into a single volume
- Instant digital download with no print restrictions
Procedural & Diagnostic Contents
The manual outlines the exact specifications required for complete disassembly, inspection, and assembly of the engine and drivetrain. It details the tolerances for critical internal engine components, including the cylinder head, camshaft, piston, and oil pump. It also covers the clutch and transmission systems, fuel and exhaust calibration, and specialized steering and suspension adjustments.
The troubleshooting section helps isolate faults across the electrical, mechanical, and fuel-delivery systems. Remember: Always prioritize shop safety and verify your tools and mechanical background before starting complex teardowns.
Specifications & Reference Data
Fastener torque values are clearly defined, such as cylinder head nuts at 9–11 Nm. Fluid capacities are mapped out precisely, listing the LT-F230G subtransmission oil capacity at 240–270 cc. For the ignition system, spark plug gaps are specified at 0.6–0.7 mm. You'll also find quick-reference charts for tire inflation pressure, lubricant capacities across different drivetrain variants, and target values for electrical system diagnostics.
Customer Reviews
Read what our customers say about this Suzuki ATV manual and share your own experience.