Model:
LT-Z400 Quad Sport
Years Covered:
2008, 2009, 2010, 2011, 2012
Vehicle Type:
ATV (All-Terrain Vehicle)
Generation Identifier:
Second Generation (post-2003 redesign)
Market Segment:
Performance Sport ATV
Key Competitors:
Yamaha YFZ450, Honda TRX450R/ER, Kawasaki KFX450R.
Vehicle Selling Points:
Powerful engine, agile handling, rider-friendly ergonomics, popular for trail riding and recreational racing.
Cost Savings:
Potential to save $50-$60 per hour on shop labor costs by performing maintenance and repairs independently.
Engine Systems:
General Information, Fuel System, Cooling System, Engine Top End, Engine Lubrication System, Crankshaft/Transmission.
Drivetrain Systems:
Clutch, Crankshaft/Transmission, Final Drive, Wheels/Tires.
Chassis Systems:
Brakes, Suspension, Steering, Frame.
Electrical Systems:
Electrical System, Wiring Diagrams.
Additional Systems:
Appendix.
Maintenance Procedures:
Regular scheduled maintenance, fluid changes, filter replacements, lubrication.
Diagnostic Procedures:
Engine fault diagnosis, troubleshooting common issues, part testing techniques.
Repair Procedures:
Step-by-step repair instructions for all major vehicle systems, engine rebuilds, transmission overhauls.
Technical Guidance:
Engine management system analysis, wiring diagram tracing, component identification.
Tuning And Modification:
Implied coverage for understanding engine management systems and potential for tuning.
Depth Of Coverage:
Comprehensive; covers fundamental maintenance to complete rebuilds, detailed diagnostics, and expert tips.
Diagnostic Tools Mentioned:
Implied use of standard automotive and ATV diagnostic tools; specific mention of 'secret techniques used by top mechanics'.
Printability:
Fully printable without restriction; individual pages or entire manual.
Binding Type:
Digital Download (user printable)
Paper Type:
N/A (Digital)
Software Requirements:
Adobe PDF Reader
Search Functionality:
Enabled (PDF search function)
Delivery Method:
Instant Download Link post-payment
Resolution:
High resolution (stated for clarity of illustrations and diagrams).
Engine Type:
4-stroke, DOHC, 4-valve, Single-cylinder
Engine Displacement:
398 cc
Bore X Stroke:
90.0 mm x 78.5 mm (typical for this generation)
Cooling System:
Liquid-cooled
Horsepower Estimate:
Approximately 40-45 HP (at crankshaft, varies with tuning and exhaust)
Torque Estimate:
Approximately 30-35 lb-ft (at crankshaft, varies)
Fuel Delivery:
Mikuni BSR36 carburetor (common across this generation)
Fuel Type:
Unleaded gasoline, 87 octane or higher recommended
Overall Length:
Approximately 70.5 inches (1790 mm)
Overall Width:
Approximately 45.1 inches (1145 mm)
Overall Height:
Approximately 43.9 inches (1115 mm)
Dry Weight:
Approximately 397 lbs (180 kg)
Fuel Capacity:
2.6 US gallons (9.8 L)
Wheelbase:
Approximately 49.2 inches (1250 mm)
Ground Clearance:
Approximately 10.0 inches (255 mm)
Oil Change Interval:
Every 20 hours of operation or annually, whichever comes first (refer to manual for precise details).
Air Filter Cleaning:
Inspect every 10 hours of operation; clean or replace as needed, more frequently in dusty conditions.
Spark Plug Replacement:
Inspect every 20 hours, replace as needed (typical recommendation).
Engine Oil Type:
SAE 10W-40 API SG or higher (specific Suzuki recommendation preferred).
Engine Oil Capacity:
Approximately 2.0 US quarts (1.9 L) with filter change (verify in manual).
Coolant Type:
Antifreeze coolant, 50/50 mix with distilled water.
Brake Fluid Type:
DOT 4 recommended.
Common Wear Items:
Clutch wear, chain and sprockets, wheel bearings, brake pad wear.
Potential Performance Issues:
Carburetor jetting for altitude or modifications, ignition system components, exhaust system performance.
Suzuki Atv Legacy:
Suzuki has a long history of producing reliable and performance-oriented ATVs, including popular models like the LT-Z series.
Ltz400 Development:
The LT-Z400 platform, introduced in 2003, was a significant evolution, offering a balance of performance, reliability, and rider comfort that made it a class leader.
Production Location:
Typically manufactured in Japan or other Suzuki global facilities.
