The LT-Z250 QuadSport is a sport-oriented All-Terrain Vehicle (ATV) designed for recreational trail riding and light off-roading. Introduced as a nimble and agile machine, it offers a balance of performance for riders seeking an engaging off-road experience. Key features include a liquid-cooled, four-stroke, single-cylinder engine with electric start, independent front suspension, and hydraulic disc brakes for reliable stopping power. Manufactured by a company with a strong heritage in powersports, the QuadSport was developed to provide an accessible yet capable platform within the competitive sport ATV segment.
This comprehensive service manual provides detailed information for the LT-Z250 QuadSport, covering model years 2004 through 2009. It serves as an essential resource for owners, mechanics, and technicians, offering guidance on routine maintenance, complex repair procedures, and troubleshooting. The manual details engine systems, drivetrain, suspension, steering, and electrical systems, along with specific procedures for tasks such as oil changes, engine rebuilds, and electrical diagnostics. With its high-resolution, printable pages, this manual ensures clear instructions and diagrams for maintaining and repairing the QuadSport to optimal working condition.
Model:
LT-Z250 Quad Sport
Model Nickname:
QuadSport
Vehicle Type:
All-Terrain Vehicle (ATV)
Chassis Code Range:
K4, K5, K6, K7, K8, K9 (for model years 2004-2009)
Positioning:
A sport-oriented ATV designed for recreational trail riding and light off-roading, offering a balance of performance and agility.
Competitors:
Competes with models like the Yamaha YFZ450, Honda TRX450R, and Kawasaki KFX450R in the sport ATV segment.
Atv Features:
Liquid-cooled engine, independent front suspension, swingarm rear suspension, disc brakes, electric start.
Covered Years:
2004, 2005, 2006, 2007, 2008, 2009
Estimated Page Count:
Varies by specific publication, typically 300-500 pages for comprehensive service manuals.
Type:
Repair Manual, Service Manual, Shop Manual
Engine Systems:
Engine Removal/Installation, Fuel System, Lubrication & Cooling System, Engine Specifications, Intake & Exhaust
Drivetrain Systems:
Transmission, Drive Chain & Sprockets
Suspension Steering:
Shocks, Steering System
Electrical Systems:
Electrical System, Advanced Troubleshooting
Bodywork Chassis:
Body Work
Maintenance Procedures:
Routine Maintenance, Oil Changes, Filter Replacements, Spark Plug Checks/Replacement, Valve Clearance Adjustment, Carburetor Cleaning/Adjustment
Repair Procedures:
Engine Rebuilds, Transmission Overhaul, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Repair, Fuel System Servicing
Troubleshooting:
Diagnostic Procedures for common and advanced issues, fault finding charts
Depth:
Comprehensive from basic owner maintenance to full workshop overhaul and diagnostics.
Format:
PDF (Portable Document Format)
Quality:
High-resolution, printable pages designed for clear text and diagrams.
Binding:
Not Applicable (Digital Download)
Paper:
Not Applicable (Digital Download - printable)
Engine Type:
Four-stroke, DOHC, 4-valve, single-cylinder
Displacement:
249.4 cc (Cubic Centimeters)
Bore X Stroke:
72.0 mm x 61.1 mm
Cooling System:
Liquid-cooled
Estimated Horsepower:
Approximately 23-25 HP (varies by region and tuning)
Estimated Torque:
Approximately 22-24 Nm (varies by region and tuning)
Fuel Delivery:
Mikuni BSR36 carburetor
Fuel Type:
Unleaded gasoline, minimum 87 octane
Oil Type:
SAE 10W-40 API SG or higher, JASO MA certified motorcycle oil recommended.
Ignition System:
CDI (Capacitor Discharge Ignition)
Transmission Type:
5-speed manual with reverse
Clutch Type:
Wet multi-plate clutch
Final Drive:
O-ring sealed chain, AFAM/DID 520 pitch (standard) with front 14T and rear 38T sprockets.
Transmission Oil Type:
SAE 80W API GL-4 Gear Oil (refer to manual for exact specifications and capacity).
Length:
Approx. 1,755 mm (69.1 in)
Width:
Approx. 1,140 mm (44.9 in)
Height:
Approx. 1,070 mm (42.1 in)
Dry Weight:
Approx. 183 kg (403 lbs)
Fuel Capacity:
Approx. 10 liters (2.6 US gal)
Wheelbase:
Approx. 1,245 mm (49.0 in)
Ground Clearance:
Approx. 215 mm (8.5 in)
Rollover Protection:
N/A (ATVs are inherently susceptible to rollovers; operator caution and proper riding techniques are essential).
Braking System:
Dual hydraulic disc front brakes, Single hydraulic disc rear brake.
Lighting:
Dual 30W headlights, 5W taillight/brake light.
Display Features:
Basic LCD display for speed, odometer, trip meter, and neutral indicator.
Safety Aids:
None (ATVs are typically not equipped with electronic driver assistance systems).
Connectivity Features:
None
Initial Service:
First service typically around 600 miles or 3 months, including oil change, filter inspection, and general check-over.
Regular Maintenance:
Engine oil and filter change every 1,000 miles or 6 months. Air filter cleaning/replacement every 600 miles. Spark plug inspection every 1,200 miles. Valve clearance check every 2,400 miles or as per manual.
Engine Oil Capacity:
Approx. 1.6 liters (1.7 US qt) with filter change. Refer to manual for exact capacity and procedure.
Coolant Type:
High-quality ethylene glycol based coolant, 50/50 mix with distilled water. Consult manual for specific Suzuki coolant recommendation.
Common Problems:
Carburetor adjustment can be sensitive to altitude and temperature. Drive chain maintenance is critical for longevity. Some owners report heat from the engine affecting rider comfort on long rides.
Preventative Maintenance:
Regular cleaning of the air filter and carburetor, proper chain lubrication and adjustment, and monitoring of fluid levels are key to preventing issues.
Manufacturer History:
Suzuki has a long-standing history in powersports, known for its innovative motorcycles and ATVs.
Lt-Z250 Development:
The LT-Z250 was introduced as a sportier, more accessible alternative to the larger LT-Z400, offering a nimble platform for recreational riders.
Manufacturing Location:
Primarily manufactured in Japan by Suzuki Motor Corporation.
Industry Awards:
No specific major industry awards are widely publicized for this model, but it received positive reviews for its performance in its class during its production run.
