🏷️ Basic Information

Make:

Suzuki

Model:

GSX-R750

Year:

2008

Engine Code:

GSR750 K8

Chassis Code:

GR7CA

👋 Introduction

Segment:

Supersport Motorcycle

Target Audience:

Performance-oriented riders, track day enthusiasts, experienced sportbike owners.

Competitors:

Yamaha YZF-R6, Honda CBR600RR, Kawasaki Ninja ZX-6R.

Performance Orientation:

Renowned for its aggressive styling, high-revving engine, and sharp handling, positioning it as a dominant force in the 600cc supersport class.

Chassis Design:

Features a lightweight aluminum twin-spar frame and advanced suspension components for exceptional agility and rider feedback.

📋 Manual Details

Engine:

Yes

Transmission:

Yes

Chassis:

Yes

Electrical System:

Yes

Fuel System:

Yes

Cooling System:

Yes

Ignition System:

Yes

Exhaust System:

Yes

Brakes:

Yes

Suspension:

Yes

Steering:

Yes

Bodywork:

Yes

Troubleshooting:

Yes

Pages:

Approx. 450-550 pages (typical for this model/era service manual)

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Mechanical:

Engine teardown, assembly, valve adjustment, piston/cylinder inspection, crankshaft and connecting rod procedures, timing chain and sprockets, lubrication system.

Fuel Injection:

ECM diagnosis, sensor testing (TPS, MAP, IAT, O2), fuel pump and injector testing, throttle body inspection and cleaning, idle speed control.

Ignition:

Spark plug specifications, ignition coil testing, crank position sensor (CKP) and cam position sensor (CMP) testing, ignition timing.

Transmission:

Clutch operation and adjustment, gearbox disassembly and reassembly, gear inspection, shift drum and forks, transmission fluid specifications.

Electrical:

Wiring diagrams, battery specifications, charging system (stator, rectifier/regulator), starter motor, lighting system, instrument cluster, fuses and relays.

Brakes:

Brake fluid specifications, bleeding procedures, caliper overhaul, master cylinder inspection, pad and rotor replacement, brake line routing.

Suspension:

Front fork disassembly, assembly, and oil change (including oil type and level), rear shock absorber inspection and adjustment, swingarm and linkage service.

Cooling:

Radiator and fan operation, thermostat testing, coolant specifications and capacity, hose inspection and replacement.

Chassis And Frame:

Frame inspection, headstock bearing service, wheel bearing replacement, chain and sprocket maintenance, torque specifications for critical fasteners.

Maintenance:

Regular service intervals, oil changes, filter replacements, spark plug replacement, chain lubrication and adjustment, brake fluid flush, coolant flush, air filter cleaning/replacement.

Repair:

Engine component replacement (pistons, valves, gaskets), transmission rebuild, brake caliper and master cylinder overhaul, front fork servicing, electrical component diagnosis and replacement.

Troubleshooting:

Diagnostic flowcharts for common issues (e.g., no start, poor running, electrical faults), specific fault code interpretations (if applicable to the ECM).

Disassembly Assembly:

Step-by-step guides for major component removal and installation, including torque specifications and critical assembly sequences.

Adjustments:

Clutch lever free play, throttle cable free play, chain slack, suspension preload, steering head bearing adjustment.

Depth:

Comprehensive. Covers basic maintenance to complete engine and transmission rebuilds, electrical system diagnostics, and detailed component repair procedures.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchable Text:

Yes (typically)

Resolution:

High-resolution scans, suitable for digital viewing and printing.

Binding:

N/A (Digital format)

Paper:

N/A (Digital format)

⚙️ Engine Specifications

Engine Type:

Liquid-cooled, four-stroke, DOHC, inline-four cylinder

Displacement:

749 cc

Bore X Stroke:

70.0 mm x 48.7 mm

Compression Ratio:

12.5:1

Horsepower:

Approx. 135-140 hp @ 12000 rpm (crank)

Torque:

Approx. 54-57 lb-ft @ 10000 rpm (crank)

Fuel Delivery:

Electronic Fuel Injection (EFI) with dual injectors per cylinder.

Fuel Type:

Unleaded gasoline, premium octane rating (95 RON or higher recommended).

Oil Capacity:

3.4 L (3.6 US qt) with filter change.

Oil Type:

Suzuki recommends SAE 10W-40 API SG, SH, SJ, SL or SM certified motorcycle oil.

🔧 Transmission

Type:

6-speed constant mesh

Clutch Type:

Wet multi-plate

Gear Ratios:

Specific gear ratios available in the manual, crucial for performance tuning and maintenance.

Final Drive:

O-ring sealed chain

Transmission Oil Type:

API GL-4 SAE 80W hypoid gear oil recommended (check manual for exact Suzuki specification).

📐 Dimensions

Overall Length:

Approx. 2030 mm (79.9 in)

Overall Width:

Approx. 715 mm (28.1 in)

Overall Height:

Approx. 1135 mm (44.7 in)

Wheelbase:

Approx. 1400 mm (55.1 in)

Ground Clearance:

Approx. 130 mm (5.1 in)

Dry Weight:

Approx. 163 kg (359 lbs)

Curb Weight:

Approx. 198 kg (437 lbs) (with all fluids)

Front Suspension Travel:

Approx. 130 mm (5.1 in)

Rear Suspension Travel:

Approx. 130 mm (5.1 in)

🛡️ Safety Features

Safety Certifications:

Meets or exceeds all applicable national and international safety standards for motorcycles of its class. No specific crash test ratings apply to motorcycles in the same way as cars.

Brakes:

Dual front disc brakes with four-piston calipers; single rear disc brake with two-piston caliper. (ABS was not standard on this model).

Tires:

Performance-oriented radial tires, typically 120/70ZR17 front and 180/55ZR17 rear. (Refer to manual for exact sizes and pressure recommendations).

Lighting:

Multi-reflector halogen headlights, LED tail light.

Frame:

Rigid twin-spar aluminum frame designed for stability and precise handling.

💡 Technology Features

Display:

Analog tachometer with a multi-function digital LCD display for speed, odometer, trip meters, clock, coolant temperature, and gear position indicator.

Electronic Aids:

No electronic rider aids like traction control or advanced riding modes. Focus is on raw performance and rider input.

Connectivity Features:

None; this is a performance-focused sportbike from 2008 without modern connectivity features.

ECM:

Suzuki Dual Throttle Valve (SDTV) electronic fuel injection system for precise throttle response and improved combustion efficiency.

🔧 Maintenance

First Service:

Typically at 1,000 km (600 miles) for break-in service, including oil change, filter change, and critical fastener checks.

Regular Maintenance:

Subsequent services typically recommended every 6,000 km (3,700 miles) or annually, whichever comes first. This includes checks on various systems, fluid levels, chain adjustment, and spark plug replacement at specified intervals.

Engine Oil:

SAE 10W-40 API SG, SH, SJ, SL or SM certified motorcycle oil.

Coolant:

Suzuki Long Life Coolant or equivalent ethylene glycol-based coolant with distilled water (50:50 mix). Check manual for specific Suzuki part number.

Brake Fluid:

DOT 4 (refer to manual for exact Suzuki specification).

Fork Oil:

Suzuki Suspension Fluid SS-01 or SAE 10W equivalent. Capacity: 444 ml per fork leg. Check manual for precise viscosity and quantity.

Common Wear Items:

Clutch plates, brake pads, tires, chain and sprockets are typical wear items that require regular inspection and replacement.

Potential Issues:

Some owners have reported occasional issues with the fuel pump relay or starter solenoid, though generally considered reliable. Regular maintenance is key.

Oil Filter Example:

Suzuki Part Number 16510-03G00-000 (Always verify with dealer or specific parts catalog).

Air Filter Example:

Suzuki Part Number 13780-45G00-000 (Always verify).

📚 Vehicle History

Heritage:

Suzuki has a long-standing reputation for building high-performance sportbikes, with the GSX-R line being a cornerstone of their performance offerings for decades.

Gsx R750 Evolution:

The GSX-R750 has consistently evolved, with each generation featuring chassis improvements, engine updates, and enhanced technology to maintain its competitive edge. The 2008 model represents a significant iteration within the GSX-R lineage.

Manufacturing Location:

Primarily manufactured in Japan by Suzuki Motor Corporation.

Model Year Introduction:

The GSX-R750 nameplate dates back to the late 1980s, with numerous iterations and technological advancements through the years leading up to the 2008 model.

🏆 Awards & Recognition

Industry Acclaim:

Consistently lauded by motorcycle publications for its balanced performance, handling, and value within the supersport segment.

Performance Reviews:

Frequently received high marks in performance tests and comparisons for its potent engine, agile chassis, and track-ready capabilities.

Emission Standards:

Meets emissions standards for the model year and region of sale (e.g., EPA, Euro standards). Specific details are in the manual's technical sections.