Market Segment:
High-performance utility ATVs
Competitors:
Honda Foreman/Rubicon, Kawasaki Brute Force, Polaris Sportsman
Key Features Vehicle:
Fuel injection, selectable 4WD, independent suspension, powerful engine options
Key Features Manual:
Authoritative OEM-level technical information, essential for DIY maintenance and professional repairs
Engine:
Complete overhaul, tuning, diagnostics, fuel injection, lubrication, cooling, ignition, starting system
Transmission:
Automatic Transmission (Ultramatic), differential, drivetrain, AWD system
Chassis:
Frame, suspension (front and rear), steering system, wheels, tires
Electrical:
Wiring diagrams, lighting, battery, charging system, starter motor, ignition system, sensors, ECUs
Brakes:
Hydraulic brake system (front and rear), brake fluid, components, bleeding procedures
Fuel System:
Fuel pump, injectors, fuel filter, fuel tank, fuel injection control system
Bodywork:
Body panels, fenders, racks, seat, controls, plastics
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication points, brake checks, battery maintenance
Troubleshooting:
Diagnostic charts, common problems and solutions, error code interpretations
Repair:
Step-by-step disassembly and reassembly instructions for all major components and systems
Diagnostics:
Detailed instructions for diagnosing electrical and mechanical issues, including ECU reading and live data interpretation
Specifications:
Torque specifications, clearances, fluid capacities, electrical values, component tolerances
Depth:
Comprehensive from basic maintenance to full engine and transmission rebuilds, including advanced electrical diagnostics
Engine Type:
4-stroke, liquid-cooled, SOHC, 4-valve, 530cc
Bore X Stroke:
95.0 mm x 74.2 mm
Engine Type:
4-stroke, liquid-cooled, DOHC, 4-valve, 686cc
Bore X Stroke:
100.0 mm x 85.0 mm
Horsepower:
Approx. 40 HP (Estimate, varies by region/tune)
Horsepower:
Approx. 50 HP (Estimate, varies by region/tune)
Fuel Delivery:
Mikuni 44mm throttle body fuel injection
Fuel Type:
Unleaded gasoline (87 octane or higher)
Oil Type Recommendation:
Yamalube 4G 10W-40 (or equivalent API SG or higher)
Oil Capacity With Filter:
Approx. 2.2 L (YFM700FI), 2.0 L (YFM550FI)
Transmission Type:
Yamaha Ultramatic® automatic continuously variable transmission (CVT)
Drive System:
Shaft drive, with selectable 2WD/4WD and locking front differential
Features:
Engine braking, high/low range, neutral, reverse
Cvt Fluid Type:
Yamalube CVT Fluid or equivalent specification
Atv Safety Standards:
Adheres to ANSI standards for recreational ATVs
Active Features:
Powerful hydraulic disc brakes (front and rear), sealed bearing suspension components
Passive Features:
Integrated floorboards with heel guards, thumb throttle with governor, comfortable seating position
Infotainment System:
N/A (Utility ATV focused, no traditional infotainment)
Driver Assistance Features:
Selectable 4WD, locking front differential, engine braking via CVT.
Connectivity Features:
N/A
Engine Management System:
Electronic Fuel Injection (EFI) with ECU control, offering optimized performance and emissions.
Service Intervals Engine Oil
Interval Hours Miles:
Every 100 hours or 1000 miles (or 6 months, whichever comes first)
Service Intervals Air Filter
Interval Hours Miles:
Check every 50 hours, clean/replace as needed
Service Intervals Spark Plug
Interval Hours Miles:
Replace every 2600 miles or 2 years
Service Intervals Brake Fluid
Interval Years:
Replace every 2 years
Coolant Type:
Permanent type antifreeze with ethylene glycol (50/50 mix with distilled water)
Common Issues:
CVT belt wear (especially under heavy load), potential for overheating in extreme conditions, fuel injector clogging (rare with clean fuel), suspension component wear over time.
Troubleshooting Tips:
Refer to the manual for specific diagnostic codes related to FI system issues, check air intake for restrictions, ensure proper coolant levels.
Brand Focus:
Yamaha has a long-standing reputation for reliability, performance, and innovation in powersports, particularly with its off-road vehicles.
Predecessors:
The YFM550FI and YFM700FI Grizzly models evolved from earlier Grizzly generations, building upon established platforms with advancements in fuel injection, suspension, and power.
Production Period:
The YFM550FI and YFM700FI models were prominent in Yamaha's ATV lineup during the late 2000s and early 2010s.
