Market Position:
Iconic muscle cruiser, known for its powerful V-four engine and distinctive styling. Targeted riders seeking performance and a unique aesthetic.
Key Competitors:
Honda Magna, Suzuki Cavalcade, Kawasaki Voyager.
Model Key Features:
Massive V4 engine, shaft drive, powerful acceleration, distinctive 'drag bike' styling, low-slung profile.
Covered Years:
1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Manual Type:
Workshop Service Repair Manual
Engine:
Comprehensive engine overhaul, component testing, valve adjustment, carburetor tuning, lubrication system, cooling system.
Transmission:
Gearbox disassembly and reassembly, clutch operation and maintenance, drive shaft, final drive maintenance.
Electrical System:
Ignition system, lighting, charging system, starting system, wiring diagrams, component testing.
Chassis And Suspension:
Front fork overhaul and adjustment, rear shock absorber maintenance, steering system, wheel and tire service.
Braking System:
Front and rear brake system inspection, maintenance, fluid replacement, caliper and master cylinder service.
Fuel System:
Carburetor synchronization and tuning, fuel tank and petcock service, fuel lines.
Exhaust System:
Inspection and replacement of exhaust components.
Frame And Body:
Frame inspection, fairing and panel removal/installation, seat maintenance.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, spark plug replacement.
Repair Procedures:
Engine rebuild, transmission repair, suspension overhaul, brake caliper rebuild, electrical component diagnosis and replacement.
Troubleshooting:
Diagnostic charts for common issues, symptom-based troubleshooting guides.
Specifications:
Torque values, tolerances, fluid capacities, electrical specifications.
Depth Of Coverage:
Comprehensive, covering everything from routine maintenance to complete engine and transmission rebuilds. Detailed diagnostic procedures for electrical and mechanical systems.
Engine Type:
Liquid-cooled, 16-valve, DOHC, V-four
Displacement:
1198 cc (1.2 Liters)
Bore X Stroke:
81.0 mm x 58.0 mm
Compression Ratio:
10.5:1
Horsepower:
Approximately 105-145 hp (depending on year and specific market tuning)
Torque:
Approximately 70-80 ft-lbs (depending on year and specific market tuning)
Carburetors:
Four Mikuni BSW36 carburetors
Fuel Tank Capacity:
Approx. 3.7 US gallons (14 Liters)
Oil Type:
Yamalube 4 Stroke Motor Oil (or equivalent API SE, SF or SG classification, SAE 10W-30 or 20W-40)
Coolant Type:
Yamaha All Weather Antifreeze/Coolant (or equivalent ethylene glycol-based coolant with distilled water)
Safety Ratings:
Motorcycle safety is primarily rider-dependent; no official crash test ratings apply in the automotive sense.
Braking System:
Hydraulic disc brakes front and rear.
Tire Technology:
Tubeless tire construction.
Lighting System:
Halogen headlight, taillight, turn signals.
Infotainment System:
N/A (Basic motorcycle instrumentation: speedometer, tachometer, odometer, trip meter, fuel gauge, indicator lights).
Engine Management System:
CDI Ignition system, mechanical fuel delivery via carburetors.
Oil Change Interval:
Every 4,000 km (2,500 miles) or 6 months, whichever comes first.
Valve Clearance Check:
Every 20,000 km (12,500 miles).
Spark Plug Replacement:
Every 10,000 km (6,200 miles).
Engine Oil Capacity:
3.4 Liters (3.6 US qt) with filter change, 3.1 Liters (3.3 US qt) without filter change.
Coolant Capacity:
Approx. 2.3 Liters (2.4 US qt).
Brake Fluid Type:
DOT 3 or DOT 4
Common Issues:
Carburetor performance degradation over time, stator failure (in some models), front fork seal leaks, aging wiring harness issues.
Maintenance Recommendations:
Regular carburetor cleaning and synchronization, electrical system checks, fork seal inspection and replacement as needed.
Brand Heritage:
Yamaha Motor Company, founded in 1955, has a rich history in motorcycles, known for innovation and performance across various segments.
Model Introduction Year:
1985
Model Evolution Notes:
The V-MAX established itself as an instant icon, celebrated for its 'superbike' engine in a cruiser chassis. Minor updates occurred throughout its lifespan, including revised styling, braking improvements, and emissions controls, but the core V4 powertrain and aggressive styling remained consistent.
Production Period:
1985 - 2007 (for the VMX12H variant covered by this manual)
Manufacturing Origin:
Japan