Target Audience:
Trail riders and crossover enthusiasts; Phazer GT and Venture Lite for trail/touring, MTX for mountain riding, RTX for rough-trail performance
Segment:
Lightweight 4-stroke snowmobile class
Key Advantage:
Yamaha's 500cc parallel-twin 4-stroke engine delivering strong fuel economy and reliability compared with 2-stroke rivals
Competitors of the Era:
Ski-Doo Rev-XR and Polaris 600-class trail models
Notable Trait:
Low curb weight and rider-friendly ergonomics
Engine:
499cc liquid-cooled DOHC parallel twin
Chassis:
Lightweight Delta Box aluminum frame
Rear Suspension:
ProActive CK geometry with adjustable coupling
Reverse:
Available on GT and Venture Lite trims
Coverage Areas:
Complete factory service procedures for all systems of the PZ50 Phazer GT, MTX, RTX and Venture Lite
Manual Type:
Full service repair workshop manual
Intended Users:
Professional technicians, mechanics and DIY owners
Delivery Method:
Instant digital download
Page Count:
N/A - not specified for this edition
Engine:
Complete teardown, inspection and rebuild procedures for the 499cc twin
Fuel System:
Fuel injection servicing, throttle body, fuel pump and pressure testing
Cooling System:
Coolant replacement, heat exchanger and thermostat procedures
Intake and Exhaust:
Air box, reed-free intake and exhaust valve servicing
Transmission / Clutch:
CVT primary and secondary clutch disassembly, tuning and belt replacement
Chaincase and Drive:
Chaincase servicing, track drive and axle procedures
Suspension:
Front suspension arms, shocks, ProActive CK rear suspension rebuild
Steering:
Steering column, tie rods and ski alignment specifications
Brakes:
Hydraulic brake bleeding, pad replacement and disc inspection
Track System:
Track tension and alignment adjustment procedures
Electrical:
Wiring diagrams, charging system, starter and ignition diagnostics
Instrumentation:
Gauge cluster and indicator troubleshooting
Body and Chassis:
Hood, panels, seat removal and frame fastener torque specs
Step-by-Step Repair:
Fully illustrated step-by-step procedures for every major component
Technical Depth:
Factory-level detail: torque specs, clearances, wear limits and special tool references
Diagnostics:
Troubleshooting charts for engine, electrical, fuel and drive systems
Periodic Maintenance:
Complete lubrication, adjustment and inspection schedules
Wiring Diagrams:
Included for all covered model variants
Torque Specifications:
Factory torque values listed for all fasteners
Fluid Capacities:
Oil, coolant and chaincase capacities specified
Part References:
Component part names and identification throughout
Special Tools:
Yamaha special tool numbers referenced where required
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
4-stroke, liquid-cooled DOHC parallel twin
Bore x Stroke:
N/A - not specified for this model
Compression Ratio:
N/A - not specified for this model
Performance and Fuel System
Fuel System:
Electronic fuel injection (EFI)
Cooling:
Liquid cooled with heat exchanger rails
Starting System:
Electric start
Rated Output:
N/A - Yamaha did not publish an official horsepower figure
Standard Transmission:
YVCC continuously variable transmission (CVT) with primary and secondary clutch
Drive Type:
Belt drive to chaincase and track
Clutch Features:
Serviceable and tunable primary and secondary clutch
Reverse:
Available on GT and Venture Lite trims
Track Length:
121 inches (Phazer GT/RTX), 144 inches (MTX), 121 inches (Venture Lite)
Overall Length:
N/A - not specified for this model
Wheelbase:
N/A - not specified for this model
Curb Weight:
N/A - not specified for this model
Crash Test Ratings:
N/A - snowmobiles are not crash tested by consumer agencies
Braking:
Hydraulic disc brake on the secondary shaft
Kill Switch:
Tether-type engine kill switch
Passive Features:
Hand guards and full-body side panels on covered trims
Lighting:
Headlight and taillight standard
Instrumentation:
Analog/digital gauge cluster with speedometer, tachometer and indicator lights
Audio System:
N/A - not equipped on this model
Reverse Gearbox:
Available on GT and Venture Lite trims
Rear Rack:
Rear storage rack on GT trim
Engine Oil:
Replace after first 500 miles, then every 2,500 miles or annually
Oil Filter:
Replace with every oil change
Drive Belt:
Inspect every 500 miles; replace when worn or cracked
Coolant:
Replace every 2 years
Track Tension:
Check and adjust at pre-season service
Engine Oil:
Yamalube 4-stroke snowmobile oil, SAE 0W-30 type
Coolant:
High-quality ethylene glycol antifreeze
Chaincase Oil:
SAE 80 gear oil or equivalent
Clutch and Chassis Grease:
Waterproof chassis grease at grease fittings
Known Issues and Wear Items
Drive Belt:
Primary wear item; carry a spare for long trips
Slides / Wear Bars:
Inspect ski wear bars and track slides regularly
Carb/Throttle Body Sync:
Check throttle free play and cable condition seasonally
Chassis Fasteners:
Re-torque suspension and skidframe bolts after first rides
Manufacturer:
Yamaha Motor Company, founded 1955, Japan
Model Introduction:
Phazer nameplate revived in 2007 with the 4-stroke PZ50 platform
Model Evolution:
PZ50 series ran 2007 through the mid-2010s in GT, MTX, RTX and Venture Lite trims
Production Location:
Yamaha snowmobiles produced in Japan
2013-2015 Position:
Mature years of the PZ50 platform with refined EFI calibration
Platform Trait:
Among the lightest 4-stroke snowmobiles of its class
