2007-2009 Suzuki LT-Z90 QuadSport ATV Service Repair Workshop Manual (2007 2008 2009)

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Mots clés: 2007 2008 2009 ATV LT-Z90 QuadSport Powersports Quadsport Suzuki

Variantes de produits

Description

This manual covers the 2007, 2008, and 2009 Suzuki LT-Z90 QuadSport all-terrain vehicle. Designed as a youth-oriented ATV, the LT-Z90 builds upon Suzuki's expertise in sport ATVs, offering a platform for younger riders to experience off-road adventure. Its engineering emphasizes reliability and ease of use, featuring a 4-stroke, 89 cc OHC engine, an automatic CVT transmission, and essential safety features like an adjustable throttle limiter. This model is recognized for its suitability as an entry-level ATV, providing a stepping stone into the world of off-road riding. This comprehensive Factory Service Repair Workshop Manual provides detailed instructions and technical specifications necessary for the maintenance, repair, and diagnostics of the Suzuki LT-Z90 QuadSport. It covers all major systems, including the engine, fuel system, chassis, and electrical components, with step-by-step procedures for disassembly, reassembly, and troubleshooting. The manual is intended for owners, mechanics, and technicians, offering factory-level detail, clear diagrams, and illustrations to ensure accurate and efficient service. It serves as an indispensable resource for keeping the LT-Z90 in optimal working condition.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

LT-Z90 QuadSport

Model Variant:

QuadSport

Vehicle Type:

All-Terrain Vehicle (ATV)

Product Type:

Service Repair Workshop Manual

Codes

Model Code K7:

LT-Z90K7

Model Code K8:

LT-Z90K8

Model Code K9:

LT-Z90K9

👋 Introduction

Market Position

Target Audience:

Owners of 2007-2009 Suzuki LT-Z90 QuadSport ATVs seeking to perform maintenance, repairs, and diagnostics.

Value Proposition:

Provides comprehensive, factory-level repair information at a fraction of the cost of professional service or a physical manual with shipping.

Competitive Analysis

Advantage:

Offers in-depth coverage and clarity through diagrams, making it superior to generic online guides.

Key Features

Readability:

Easy-to-read text sections.

Instruction Style:

Step-by-step instructions with detailed visual aids.

Completeness:

Covers every single detail on the machine, based on complete disassembly.

📋 Manual Details

Coverage Areas

Applicable Years:

2007, 2008, 2009

Specific Models Covered:

2007 Suzuki LT-Z90K7 QuadSport, 2008 Suzuki LT-Z90K8 QuadSport, 2009 Suzuki LT-Z90K9 QuadSport

Page Count

Estimated Page Count:

Extensive (details not specified, but typical for factory service manuals)

Manual Type

Type:

Factory Service Repair Manual / Workshop Manual

Language

Language:

English

Format

File Format:

Compatibility:

All Versions of Windows & Mac

Delivery Method:

Instant Download

📖 Manual Coverage

Systems Covered

Engine:

Complete engine overhaul, including disassembly, inspection, assembly, and troubleshooting.

Fuel System:

Carburetor, fuel lines, fuel tank, fuel pump (if applicable) inspection and service.

Chassis:

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

Electrical System:

Ignition system, lighting, battery, starter, wiring diagrams, troubleshooting electrical faults.

Periodic Maintenance:

Scheduled maintenance, lubrication, fluid changes, filter replacements.

General Information:

Vehicle identification, safety precautions, general specifications, tool recommendations.

Servicing Information:

Troubleshooting common problems, diagnostic procedures, repair techniques.

Procedures Included

Disassembly Reassembly:

Step-by-step instructions for complete disassembly and reassembly of major components.

Troubleshooting:

Detailed diagnostic procedures for identifying and resolving issues.

Maintenance Tasks:

Oil changes, spark plug replacement, air filter cleaning/replacement, chain adjustment, brake pad inspection/replacement.

Engine Repair:

Top-end rebuild, piston and cylinder inspection, valve adjustment, timing chain inspection.

Transmission Service:

Inspection and maintenance of the automatic transmission system.

Electrical Diagnostics:

Testing of ignition system components, lighting circuits, and charging system.

Technical Depth

Depth:

Comprehensive factory-level detail, suitable for both DIY enthusiasts and professional mechanics.

Diagrams Illustrations:

Includes top-quality diagrams and highly detailed exploded pictures for clarity.

📊 Manual Specifications

File Format

PDF Quality:

High resolution, clear text and diagrams.

Printability:

All pages are printable.

Searchability:

Likely text-searchable PDF (common for factory manuals).

Print Quality

Diagram Quality:

Excellent, with high detail for precise identification of parts and procedures.

Binding Type

Binding Description:

Digital (PDF format), eliminates physical binding considerations.

Paper Type

Paper Description:

Digital (PDF format), no physical paper type.

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, OHC, air-cooled, single-cylinder

Displacement:

89 cc

Bore X Stroke:

47.0 mm x 51.0 mm

Compression Ratio:

9.2:1

Carburetor Model:

MIKUNI VM17SH

Air Cleaner:

Non-woven fabric filter

Starter System:

Electric starter

Lubrication System:

Forced lubrication (wet sump)

Ignition System:

Electronic ignition (CDI)

Spark Plug Gap:

0.7 - 0.8 mm

Valve Lash Cold Intake:

0.05 mm

Valve Lash Cold Exhaust:

0.10 mm

Performance

Horsepower Estimated:

Typically around 6-8 HP (specific figures not provided in product info).

Torque Estimated:

Specific figures not provided in product info.

Fuel System

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

2.0 L (0.5 US gal)

🔧 Transmission

Standard

Transmission Type:

Automatic, Continuously Variable Transmission (CVT)

Drive System:

Final Drive:

O-ring sealed chain

Features

Clutch Type:

Automatic centrifugal clutch

📐 Dimensions

Exterior

Overall Length:

1500 mm (59.1 in)

Overall Width:

900 mm (35.4 in)

Overall Height:

945 mm (37.2 in)

Wheelbase:

1030 mm (40.6 in)

Ground Clearance:

110 mm (4.3 in)

Weights

Curb Weight:

110 kg (242.5 lbs)

Payload Capacity:

Not specified in product info, typical for youth ATVs.

🛡️ Safety Features

Ratings

Safety Standards:

Compliant with California Air Resources Board (CARB) regulations.

Active Features

Braking System:

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

Parking Brake:

Mechanical drum brake on rear axle.

Passive Features

Lighting:

Headlight, taillight/brake light.

Throttle Limiter:

Adjustable thumb throttle limiter for younger riders.

💡 Technology Features

Infotainment

Infotainment System:

Not applicable (basic youth ATV).

Driver Assistance

Driver Assistance Features:

Throttle limiter is the primary driver assistance feature for novice riders.

Connectivity

Connectivity Options:

Not applicable.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Initial: 10 hours/1 month; Regular: Every 30 hours/3 months (refer to manual for precise schedule).

Spark Plug Replacement:

Recommended at 20 hours/2 months or as needed based on inspection.

Air Filter Cleaning:

Every 10 hours/1 month or more frequently in dusty conditions.

Chain Lubrication Adjustment:

Every 10 hours/1 month.

Fluid Specifications

Engine Oil Type:

SAE 10W-40 API SE, SF or SG

Engine Oil Capacity:

0.80 L (0.85 US qt) at oil change, 0.90 L (0.95 US qt) at overhaul.

Brake Fluid Type:

DOT 3

Known Issues

Common Wear Items:

Tires, brake pads, drive chain, spark plugs, air filter, carburetor cleaning.

Carburetor Maintenance:

Periodic cleaning and adjustment may be required due to typical ATV usage.

📚 Vehicle History

Brand Heritage

Manufacturer:

Suzuki Motor Corporation, known for its range of motorcycles, ATVs, and automobiles.

Model Evolution

Lt-Z90 Introduction:

The LT-Z90 was introduced as a youth-oriented ATV, building on Suzuki's experience with its sport ATV line (like the LT-Z400).

Design Purpose:

Designed for recreational use and as a stepping stone for younger riders into the ATV world.

Production

Production Period:

2007-2009 (as covered by this manual).

🏆 Awards & Recognition

Recognitions

Atv Segment Awards:

Specific awards for the LT-Z90 are not widely publicized; it's recognized as a solid entry-level youth ATV.