Suzuki LT-Z90 LTZ90 QuadSport Factory Service Repair Manual

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Tipo: Atv

Proveedor:

SKU: 131842

Etiquetas: ATV LT-Z90 LTZ90 Powersports QuadSport Suzuki

Variantes de producto

Descripción

The LT-Z90 QuadSport, produced from 2007 to 2009, is an entry-level youth ATV designed for recreational and trail riding. Renowned for its commitment to reliability and performance, this model offers user-friendly operation, making it an ideal choice for junior riders. Key features include a 4-stroke, SOHC, air-cooled 89 cc engine, an automatic CVT transmission with forward, neutral, and reverse gears, and a user-adjustable throttle limiter for enhanced control. Its robust chassis features independent double A-arm front suspension and a swingarm with a single shock absorber at the rear, providing stable handling for young enthusiasts. This comprehensive Factory Service Repair Manual, available in English, covers the LT-Z90 QuadSport models from 2007 to 2009. Spanning 258 pages, it details complete engine overhaul, fuel system service, chassis maintenance including suspension and brakes, and the electrical system. The manual offers periodic maintenance schedules, lubrication points, fluid checks, troubleshooting guides for common issues, and step-by-step repair instructions for all major components. It is an essential resource for service technicians and experienced DIY mechanics to ensure the proper maintenance, repair, and longevity of the vehicle.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

LT-Z90 QuadSport

Model Code:

LTZ90

Generation

Production Years:

2007-2009

👋 Introduction

Market Position

Segment:

Entry-level youth ATV, recreational/trail riding.

Competitive Analysis

Competitors:

Yamaha YFZ50, Polaris Outlaw 50, Honda TRX90X.

Key Features

Design Purpose:

Designed for junior riders, offering user-friendly operation and safety features.

📋 Manual Details

Coverage Areas

Covered Years:

2007, 2008, 2009

Page Count

Number Of Pages:

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English

Format

File Format:

Compatibility

Operating Systems:

Compatible with All Versions of Windows & Mac & Linux.

Requirements

Software:

Adobe PDF Reader, WinZip (for unzipping).

Delivery

Method:

Instant Download, No Shipping Cost, No Waiting for CD-ROM.

📖 Manual Coverage

Systems Covered

Engine:

Complete engine overhaul, disassembly, inspection, assembly, tuning.

Fuel System:

Carburetor service, fuel lines, fuel tank maintenance, fuel filter.

Chassis:

Frame, suspension (front and rear), steering, wheels, tires, brakes.

Electrical System:

Ignition system, lighting, battery, charging system, wiring diagrams.

General Information:

Includes safety precautions, vehicle identification, general specifications, and maintenance guidelines.

Servicing Information:

Covers general servicing procedures, specialized tools, torque specifications, and tightening sequences.

Procedures Included

Maintenance:

Periodic maintenance schedules, lubrication points, fluid checks.

Troubleshooting:

Diagnostic procedures for common issues, fault finding techniques.

Repair:

Detailed step-by-step repair instructions for all major components.

Disassembly Assembly:

Detailed instructions for disassembling, inspecting, and assembling all major ATV components.

Inspection:

Detailed inspection guidelines for all wear and tear components.

Technical Depth

Scope:

Comprehensive, covering basic maintenance to advanced repair and troubleshooting.

Target Audience:

Service technicians and experienced DIY mechanics.

Diagnostic Tools:

Mentions standard mechanic's tools and potentially specific Suzuki specialty tools required for certain tasks.

📊 Manual Specifications

File Format

Print Quality:

High Quality PDF, all pages printable.

Binding Type

Type:

Digital Download (PDF)

Paper Type

Medium:

Digital

⚙️ Engine Specifications

Primary Engine

Type:

4-stroke, SOHC, air-cooled

Displacement:

89 cc

Bore X Stroke:

47.0 mm x 51.0 mm

Compression Ratio:

9.3:1

Performance

Estimated Horsepower:

Approx. 6.5 HP (varies by region and tuning)

Fuel System

Carburetor Model:

Mikuni VM15SC

Fuel Type:

Unleaded gasoline

Oil Type

Recommendation:

Suzuki recommends SAE 10W-40 API SE, SF or SG or SH or SJ or SL or SM, SJ or SL or SM engine oil.

Ignition System

Type:

CDI (Capacitor Discharge Ignition)

Cooling System

Type:

Air-Cooled

🔧 Transmission

Standard

Type:

Automatic (CVT)

Drive System:

Features

Gearing:

Forward, Neutral, Reverse

Fluid Type

Recommendation:

Suzuki recommends SAE 10W-40 API SE, SF or SG or SH or SJ or SL or SM, SJ or SL or SM engine oil for the transmission/engine.

📐 Dimensions

Exterior

Overall Length:

1475 mm (58.1 in)

Overall Width:

910 mm (35.8 in)

Overall Height:

945 mm (37.2 in)

Wheelbase:

1005 mm (39.6 in)

Weights

Curb Weight:

110 kg (242.5 lbs)

Fuel Tank Capacity:

6.0 L (1.6 US gal)

🛡️ Safety Features

Active Features

Braking System:

Front: Dual hydraulic disc, Rear: Single hydraulic disc.

Passive Features

Throttle Limiter:

Adjustable throttle limiter screw for beginner control.

Parking Brake:

Mechanical parking brake.

💡 Technology Features

Infotainment

Display:

Basic indicator lights (neutral, oil pressure, etc.). No complex infotainment systems.

Driver Assistance

Features:

Throttle limiter for learner riders, automatic transmission simplifies operation.

🔧 Maintenance

Service Intervals

Initial Service:

First service typically recommended around 10 hours or 1 month of use, focusing on break-in checks and fluid changes.

Engine Oil Change:

Every 100 hours or 6 months, whichever comes first.

Air Filter Cleaning:

Every 20 hours or monthly, depending on operating conditions (dusty environments require more frequent cleaning).

Spark Plug Check:

Check at 100 hours or annually.

Fluid Specifications

Engine Oil Capacity:

1.3 L (1.4 US qt) when filter is changed.

Brake Fluid Type:

DOT 4 recommended.

Known Issues

Common Wear Items:

Brake pads, tires, drive chain (if applicable, though this is CVT), spark plugs, air filter.

Carburetor Maintenance:

Carburetor can sometimes become clogged with debris if fuel is not clean or if the ATV sits for extended periods without fuel stabilizer.

Battery Maintenance:

Regular checks of battery terminals for corrosion and ensuring proper charge.

Lubrication

Grease Points:

Swingarm pivot, steering stem, wheel bearings, suspension linkages.

Chain Adjustment

Note:

Not applicable for this CVT-driven model, but drive system checks are covered.

📚 Vehicle History

Brand Heritage

Manufacturer Focus:

Suzuki is renowned for its versatile range of motorcycles, ATVs, and automotive products, known for reliability and performance.

Model Evolution

Quadsport Line:

The QuadSport line is Suzuki's dedicated range of sport ATVs, often featuring nimble handling and accessible performance.

Production

Manufacturing Origin:

Typically manufactured in Japan or by authorized Suzuki facilities.

📄 Chassis

Front Suspension

Type:

Independent, double A-arm

Rear Suspension

Type:

Swingarm with single shock absorber

Tires Front

Size:

AT16 x 7-7

Tires Rear

Size:

AT19 x 9.5-8

Wheel Bolt Pattern

Pattern:

Typically 4-stud (specific pattern for hub measurement is detailed in manual).