Segment Positioning:
High-performance sport ATV, popular in recreational and competitive off-roading.
Key Competitors 2009 2010:
Yamaha YFZ450, Honda TRX450R, Kawasaki KFX450R.
Performance Focus:
Designed for agility, power, and rider control in off-road conditions.
Manual Utility:
Essential tool for maintaining optimal performance and longevity of the LT-Z400.
Primary Coverage:
2009-2010 Suzuki LT-Z400 QuadSport
Secondary Coverage Notes:
Likely covers all major mechanical, electrical, and bodywork aspects for the specified model years.
Estimated Page Count:
Likely 300-600 pages (typical for a comprehensive workshop manual)
Manual Type:
Workshop Service Repair Manual
Distribution Method:
PDF Download
Compatibility:
Windows/macOS
Software Requirement:
Adobe PDF Reader
Engine Systems:
Engine overhaul, disassembly, assembly, tuning, fuel system, lubrication, cooling, ignition, emissions control.
Drivetrain Systems:
Transmission, gearbox, clutch, final drive, driveshaft, axles, differential (if applicable).
Suspension Systems:
Front and rear suspension, shock absorbers, control arms, linkages, adjustments.
Brake Systems:
Hydraulic brake system, calipers, master cylinders, brake lines, pads, rotors, bleeding procedures.
Steering Systems:
Steering column, tie rods, steering knuckle, steering rack, adjustments.
Body And Accessories:
Body panels, seat, fenders, plastics, lighting, electrical accessories, chassis components.
Electrical Systems:
Wiring diagrams, battery, charging system, ignition system, lighting, starter, diagnosis.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, lubrication, adjustments, inspections.
Diagnostic Procedures:
Troubleshooting guides, symptom-based diagnostics, fault code interpretation (if applicable).
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair.
Rebuild Procedures:
Detailed guidance for complete engine, transmission, or component rebuilds.
Specifications And Tolerances:
Torque specifications, clearances, fluid capacities, diagnostic parameters.
Depth Of Coverage:
Comprehensive; equivalent to dealership technician manuals.
Target Audience:
Professional technicians and advanced DIY enthusiasts.
Engine Type:
Four-stroke, DOHC, liquid-cooled, single-cylinder
Displacement:
398 cc (24.3 cu in)
Bore X Stroke:
90.0 mm x 78.5 mm
Compression Ratio:
11.3:1
Horsepower Estimated Hp:
Approx. 38-42 HP (at crankshaft, stock)
Torque Estimated Lb-Ft:
Approx. 27-29 lb-ft (at crankshaft, stock)
Fuel Delivery:
Mikuni BSR36, 36mm flat-slide carburetor with TPS
Fuel Type:
Unleaded gasoline, 87 octane or higher
Oil Type:
Suzuki ECSTAR R5000 10W-40 or API SG/SH/SJ SJ/SL, JASO MA certified 4-stroke motorcycle oil
Cooling Method:
Liquid-cooled
Coolant Type:
Suzuki P-FC Coolant or equivalent ethylene glycol-based antifreeze with demineralized water (50/50 mix)
Engine Oil Change Interval:
Every 1000 km (600 miles) or 6 months, whichever comes first.
Oil Filter Replacement Interval:
Every 1000 km (600 miles) or 6 months, coinciding with oil change.
Air Filter Cleaning Interval:
Every 600 km (370 miles) or as needed based on operating conditions.
Spark Plug Replacement Interval:
Every 5000 km (3000 miles) or as needed.
Engine Oil Capacity:
2.4 L (2.5 US qt) without filter change, 2.6 L (2.7 US qt) with filter change.
Transmission Oil Capacity:
0.5 L (0.5 US qt)
Coolant Capacity:
1.5 L (1.6 US qt)
Common Wear Items:
Brake pads, clutch plates, chain and sprockets, wheel bearings, pivot bushings.
Potential Electrical Issues:
Corrosion on connectors, especially in wet environments; stator or regulator/rectifier failure.
Engine Performance Notes:
Carburetor jetting can require adjustment for altitude or modifications. Timing chain tensioner can wear over time.
Suspension Notes:
Stock suspension can be considered basic; aftermarket upgrades are common. Bushings may require replacement due to off-road use.
Suzuki Atv Legacy:
Suzuki has a long-standing reputation for building reliable and performance-oriented ATVs.
Lt-Z400 Introduction Year:
2003
Second Gen Updates 2009 2010:
These model years received minor updates, focusing on refinement and emissions compliance. The core platform remained strong.
Manufacturing Location:
Typically manufactured in Japan or by contract manufacturers.
