Comprehensive Repair Manual for Suzuki LT300E QuadRunner 300 (1987-1989)

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Document Details

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Document Number / Seller:
30898 / Amanda Martinez
File Size:
58.82 MB
File Type:
PDF
Language:
English
Pages:
283
Printable:
Yes
Category:
ATV
Last updated / verified
Feb 12, 2026

Models Covered & Key Technical Specifications

  • LT300E (1987-1989)

Professional Workshop Service Manual & Technical Specifications

Suzuki LT300E / LT-F300 — Service Manual (1988–1989 Model Coverage)

Coverage is tied to the Suzuki LT300E family and the LT-F300 series pages called out in the group index, with separate model-year tracks for ’88 and ’89. Fit is easy to confirm up front: the VIN stamping and engine serial locations are specified, and the early specification pages consolidate dimensions, engine architecture, gearing, chassis geometry, and capacity data in one place.

Models and year tracks listed

  • LT300EJ (’88 model)
  • LT300EK (’89 model)
  • LT-F300 (’88 model)
  • LT-F300 (’89 model)

Where the fast “fit” signals live

The identification pages specify:

  • VIN stamping: left frame pipe
  • Engine serial number: crankcase
    Those two markings are the primary match points when you want to ensure the manual aligns with the correct LT300E build family.

Technical coverage map (system split)

The manual is organized by major system groups: General Information, Periodic Maintenance, Engine, Fuel & Lubrication, Electrical System, Chassis, and Servicing Information—then followed by model-specific sections for LT-F300 and the ’88/’89 LT300E/LT-F300 variants.

Key spec anchors at a glance

  • Overall dimensions: 1,860 × 1,110 × 1,120 mm (L×W×H) with 1,170 mm wheelbase
  • Engine: 4-stroke, air-cooled, OHC, TSCC, single-cylinder 293 cm³ with 72.0 × 72.0 mm bore/stroke
  • Compression ratio: 8.5:1; carburetor: MIKUNI VM26SS (single)
  • Transmission: 5-forward constant mesh + 1-reverse; primary reduction 3.500 (63/18); final reduction 3.727 (41/11)
  • Suspension/geometry: double-wishbone front (5-way preload), swing-arm rear (2-way preload); toe-in 11–19 mm; turning radius 2.4 m
  • Capacities: fuel tank 10.0 L (reserve 1.8 L); engine oil 1.6 L (oil change) / 1.8 L (filter change)

Compact technical table

Spec group Value Notes
Dry mass 203 kg Spec page baseline
Ground clearance 140 mm Chassis geometry
Gear ratio (Top) 0.958 (23/24) 5th gear ratio
Reverse ratio 2.545 (29/11 × 28/29) Reverse gearing
Drive chain DID 520V3 / RK520SMOZ2, 92 links Listed replacement standards
Ignition timing window 5° BTDC < 1,700 r/min; 30° BTDC > 3,800 r/min PEI ignition reference

Electrical and chassis data density (what’s documented)

Electrical specs include SUZUKI “PEI” ignition, plug families split by market, battery ratings (U.S. vs other), and lighting wattage (e.g., 12V 45/45W headlight). Chassis pages add steering angles (inside/outside), caster/trail, camber, tire sizing, and load-indexed tire pressures with a stated vehicle load capacity limit.

FAQ

**Which vintage ATV configurations are supported in the Suzuki QuadRunner archive?** keyboard_arrow_down

A: This comprehensive service manual provides exhaustive mechanical documentation for the Suzuki LT300E QuadRunner 300 model variants. It specifically addresses the diagnostic requirements for the 1987–1989 production years, ensuring all technical values and component specifications for this 300cc utility series are fully recorded across 283 pages.

**How do I perform effective engine overhaul and valve timing procedures?** keyboard_arrow_down

A: Identify the exact engine breakdown protocols and repair instructions within Section 3 to isolate mechanical failures. The manual provides a systematic approach for cylinder and piston service, enabling technicians to identify root causes with factory-certified precision for the 1987–1989 LT300E series.

**Determine the necessary steps for maintaining the transmission and drivetrain?** keyboard_arrow_down

A: Identify the precise instructions for drivetrain assembly and lubrication points within the specialized technical groups to maintain vehicle reliability. The documentation guides technicians through the complete diagnostics of the gear systems and power delivery components, providing authoritative instructions for troubleshooting common mechanical faults across the QuadRunner series.

**Identify the electrical system diagnostics and wiring schematic locations?** keyboard_arrow_down

A: Vault-ID "QuadRunner 300 Electrical Reference" is essential for troubleshooting component testing, fault-finding, and integrated electronics as detailed in Section 5. The technical data provides expert insights into wiring diagrams and ignition circuits, facilitating more effective fault isolation within the ATV's complex electrical network.

**What are the key technical specifications for chassis and suspension overhaul?** keyboard_arrow_down

A: Repository-ID "Martinez Technical Reference" must be used to verify wheel assembly standards, shock absorber settings, and bearing tolerances found in the factory-style guide. The handbook encompasses the entire service journey, providing critical protocols for periodic maintenance and safety checks to extend equipment life and ensure safe operation for the Suzuki LT300E.

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Reviews (3)

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I had a smooth download experience, and the manual is incredibly detailed. Perfect for anyone wanting to maintain their vintage ATV!
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This manual is a lifesaver! The troubleshooting guide helped me fix my ATV quickly. Great diagrams and easy to understand steps.
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The service manual covers everything you need. I was impressed by the quick response from support when I had a question. Very professional!