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.
Advantage:
Offers in-depth coverage and clarity through diagrams, making it superior to generic online guides.
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.
Applicable Years:
2007, 2008, 2009
Specific Models Covered:
2007 Suzuki LT-Z90K7 QuadSport, 2008 Suzuki LT-Z90K8 QuadSport, 2009 Suzuki LT-Z90K9 QuadSport
Estimated Page Count:
Extensive (details not specified, but typical for factory service manuals)
Type:
Factory Service Repair Manual / Workshop Manual
Compatibility:
All Versions of Windows & Mac
Delivery Method:
Instant Download
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.
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.
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.
PDF Quality:
High resolution, clear text and diagrams.
Printability:
All pages are printable.
Searchability:
Likely text-searchable PDF (common for factory manuals).
Diagram Quality:
Excellent, with high detail for precise identification of parts and procedures.
Binding Description:
Digital (PDF format), eliminates physical binding considerations.
Paper Description:
Digital (PDF format), no physical paper type.
Engine Type:
4-stroke, OHC, air-cooled, single-cylinder
Bore X Stroke:
47.0 mm x 51.0 mm
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
Horsepower Estimated:
Typically around 6-8 HP (specific figures not provided in product info).
Torque Estimated:
Specific figures not provided in product info.
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
2.0 L (0.5 US gal)
Safety Standards:
Compliant with California Air Resources Board (CARB) regulations.
Braking System:
Front: Dual hydraulic disc; Rear: Single hydraulic disc.
Parking Brake:
Mechanical drum brake on rear axle.
Lighting:
Headlight, taillight/brake light.
Throttle Limiter:
Adjustable thumb throttle limiter for younger riders.
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.
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.
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.
Manufacturer:
Suzuki Motor Corporation, known for its range of motorcycles, ATVs, and automobiles.
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 Period:
2007-2009 (as covered by this manual).
