This document provides the Yamaha Snowmobile VX750, VX800, and MM800 Service Repair Manual. Yamaha is a renowned manufacturer recognized for its durable engines and robust chassis across various powersports vehicles. The VX and MM series represent Yamaha's commitment to performance and utility snowmobiles, featuring 750cc and 800cc engine classes that offered significant capabilities during their production eras, likely spanning the late 1990s and early 2000s. These snowmobiles are engineered for reliability and performance, making them a popular choice for enthusiasts and utility users alike.
This comprehensive manual offers factory-level repair and diagnostic information, covering a wide array of systems including the engine, transmission, fuel, lubrication, cooling, electrical, drive, suspension, and steering. It details procedures for engine overhaul, disassembly, assembly, periodic maintenance, and troubleshooting, complete with step-by-step instructions and wiring diagrams. Designed for DIY mechanics, enthusiasts, and professional technicians, this manual is an essential resource for maintaining, troubleshooting, and repairing your Yamaha snowmobile, ensuring optimal performance and longevity.
Product Type:
Service Repair Manual
Product Name:
Yamaha Snowmobile VX750 VX800 MM800 Service Repair Manual
Target Audience:
DIY mechanics, snowmobile enthusiasts, professional technicians
Advantage Over Competitors:
Improved PDF features (bookmarks, index), no zip file, broader OS compatibility, burnable backup
Ease Of Use:
Easy to use, no need to dig through hundreds of pages (due to PDF structure and indexing)
Guarantee:
Satisfaction guaranteed or money back
Delivery:
Instant download
Resource Comparison:
Provides the same information mechanics use, offering professional-level guidance.
Applicable Models:
VX750, VX750U, VX750STU, VX800, VX800A, VX800V, VX800STV, MM800, MM800A
Model Years:
Not explicitly stated, but implies coverage for models listed.
Estimated Page Count:
Hundreds
Type:
Factory Repair Manual
Engine:
Detailed overhaul, disassembly, assembly
Lubrication System:
Included
Electrical System:
Included, with wiring diagrams
Controls Indicators:
Included
Bodywork Chassis:
Covered under 'Steering/Frame'.
Skis And Suspension:
Covered under 'Suspension' and 'Steering/Frame'.
Periodic Maintenance:
Tune-Up procedures
Troubleshooting:
Included
Repair:
Step-by-step instructions
Disassembly Assembly:
Comprehensive engine overhaul
Aids For Maintenance:
Included
Wiring Diagrams:
Explicitly stated as included, vital for electrical troubleshooting.
Depth:
Factory-level repair and diagnostic information
Diagnostic Capabilities:
Includes troubleshooting sections and diagrams, enabling advanced diagnostics beyond basic maintenance.
Format Compatibility:
All Windows, All Mac, All Linux
File Structure:
Single PDF file, not zipped
Searchability:
PDF format with bookmarks and index suggests good searchability within the document.
Quality Enhancements:
Improved PDF quality, Bookmarks, Sub bookmarks, Index
Printability:
Printable pages
Binding:
Digital (PDF format), Burn backup CD capability
Paper Type:
N/A (Digital)
Engine Displacement Vx750:
750cc class (Specific bore/stroke not provided in product info)
Engine Displacement Vx800 Mm800:
800cc class (Specific bore/stroke not provided in product info)
Engine Type:
Likely 2-stroke, twin-cylinder configuration common for Yamaha snowmobiles of this era. Detailed configuration (e.g., reed valve, carburetion/EFI) not specified.
Engine Configuration Note:
While specific bore/stroke, compression ratios, and ignition systems (CDI, TCI) are not detailed in the product description, the manual's comprehensive nature implies these details will be present.
Horsepower Torque Vx750:
Not specified in product information.
Horsepower Torque Vx800 Mm800:
Not specified in product information.
Fuel Delivery System:
Could be Mikuni carburetors or Yamaha's fuel injection system depending on exact model year and variant. Manual covers 'Fuel'.
Lubrication Type:
Likely pre-mix or oil injection system for 2-stroke engines. Manual covers 'Lubrication'.
Cooling System Type:
Likely liquid-cooled. Manual covers 'Cooling'.
Transmission Type:
CVT (Continuously Variable Transmission) with forward, neutral, and reverse gears (standard on most Yamaha snowmobiles of this era). Manual covers 'Engine/Transmission'.
Optional Transmission:
Not applicable for this type of snowmobile.
Clutch System:
Includes primary and secondary clutch (drive and driven) servicing. Manual covers 'Drive System' which implies clutch details.
Track Dimensions:
Specific track width, length, and lug height not provided in product information. Manual covers 'Drive System'.
Dry Weight Estimated:
Typically in the range of 450-550 lbs (200-250 kg) for these engine sizes, but exact figures not provided.
Braking System:
Hydraulic disc brake system. Manual covers 'Steering/Frame' and general repair.
Safety Features:
Kill switch/lanyard, hand warmers, thumb throttle safety. Manual covers 'Controls/Indicators'.
Dashboard Features:
Basic instrumentation likely includes speedometer, tachometer, odometer, fuel gauge, and warning lights. Manual covers 'Controls/Indicators'.
Convenience Features:
Hand warmers, thumb warmer, potentially electric start (depending on exact model trim). Manual covers relevant systems.
Connectivity:
N/A (Snowmobiles of this era typically lack advanced digital connectivity features).
Basic Maintenance Intervals:
The manual covers 'Periodic Maintenance/Tune-Up', implying schedules for tasks like spark plug replacement, belt inspection, chaincase oil changes, and general lubrication. Specific mileage/time intervals not in product description.
Engine Oil:
Manual covers 'Fuel/Lubrication/Cooling'. For 2-stroke Yamaha snowmobiles, recommended oils are typically specific JASO FD or ISO-L-EGD certified 2-stroke oils. Specific viscosity and type would be detailed in the manual.
Coolant:
If liquid-cooled, manual covers 'Cooling'. Typically a 50/50 mix of antifreeze (ethylene glycol based) and distilled water. Specific type and capacity in manual.
Chaincase Oil:
Manual covers 'Drive System'. Typically a specific gear oil or transmission fluid, e.g., SAE 80W-90 or Yamalube GL-4. Manual will specify.
Brake Fluid:
Manual covers 'Steering/Frame' and general repair. Hydraulic brake fluid type (e.g., DOT 3 or DOT 4) would be specified. Capacity for the hydraulic system.
Common Wear Items:
Drive belts (clutch belts), carbides/sliders for skis, shock absorber bushings, and track lugs are common wear items on snowmobiles. The manual would provide inspection and replacement procedures for these.
Engine Specific Considerations:
For 2-stroke engines of this era, proper oil/fuel mixture, preventing overheating, and regular decarbonization of exhaust ports are crucial. Manual covers engine overhaul.
Brand Specialization:
Yamaha is a well-established manufacturer known for reliable engines and robust chassis across motorcycles, ATVs, and snowmobiles.
Model Series Context:
The VX and MM series represent Yamaha's performance and utility snowmobile offerings, with the 750cc and 800cc engines indicating mid-to-high performance capabilities for their respective eras.
Production Era Estimate:
Models like VX750 and VX800 were prominent in the late 1990s and early 2000s. Specific production years not provided.
