🏷️ Basic Information

Make:

Ski-Doo

Model:

GTX 800 HO DPM POWER TEK REV

Year:

2005

Vehicle Type:

Snowmobile

Chassis Code:

REV Platform

Engine Code:

800 HO (High Output)

Manual Product Id:

Not Specified in Product Info

👋 Introduction

Segment:

Performance Touring / Crossover Snowmobile

Target User:

Enthusiast riders seeking a comfortable yet capable machine for long-distance trail riding with a focus on performance and advanced features for its era.

Competitors Era:

Competed against similar touring and performance-oriented models from brands like Yamaha (e.g., SX Viper, Mountain Max), Arctic Cat (e.g., T660 Touring, ZR series), and Polaris (e.g., RMK, Indy Trail).

Dpm System:

Digitally Controlled Power Management (DPM) system, offering potentially adaptive engine performance based on conditions or rider input, a significant technological advancement for its time.

Rev Platform:

Utilizes the REV platform, known for its revolutionary rider-forward ergonomics, central mass design, and improved handling and agility compared to older chassis designs.

Engine Configuration:

Powerful 2-stroke, liquid-cooled twin-cylinder engine, offering strong acceleration and top-end performance.

📋 Manual Details

General Maintenance:

Included

Engine Repair:

Included

Transmission Service:

Included

Suspension System:

Included

Electrical System:

Included

Fuel System:

Included

Cooling System:

Included

Brake System:

Included

Steering System:

Included

Track And Drive System:

Included

Body And Chassis:

Included

Troubleshooting Guides:

Included

Estimated Pages:

Not specified, typically 500+ for comprehensive service manuals.

Type:

Service Manual / Repair Manual

Primary Use:

Service and Repair

Language:

English (Presumed)

Format:

PDF Download

📖 Manual Coverage

Engine Mechanical:

Detailed disassembly, inspection, assembly, and torque specifications for the Rotax 800 HO engine, including cylinder head, pistons, crankshaft, connecting rods, and lubrication system.

Engine Fuel And Ignition:

Carburetor tuning and rebuilding (likely Mikuni VM series), fuel pump operation, CDI ignition system diagnostics and component testing.

Clutch System:

Primary and secondary clutch inspection, maintenance, spring and weight adjustments, and roller/button replacement procedures.

Drivetrain:

Chaincase inspection, oil change, chain tension adjustment, and sprocket replacement. Drive shaft and output shaft service.

Suspension Front:

Double A-arm front suspension. Shock absorber rebuild and adjustment, spindle and tie rod end inspection and replacement, ski alignment.

Suspension Rear:

SC-4 rear suspension. Track lubrication, idler wheel bearing inspection and replacement, skid frame alignment, shock absorber service, and torsion spring adjustment.

Braking System:

Hydraulic disc brake system. Pad replacement, caliper service, fluid bleeding, master cylinder inspection, and brake line routing.

Steering System:

Handlebar steering linkage, tie rod adjustment, steering post bearing service.

Electrical System:

Wiring diagrams, starter motor, alternator, battery charging system, lighting (headlight, taillight, brake light), gauge cluster functions, and DPM (Digitally Controlled Power Management) system.

Cooling System:

Liquid-cooled engine. Radiator inspection, coolant flush and replacement, thermostat operation, water pump service.

Exhaust System:

Exhaust pipe and muffler inspection, gasket replacement.

Bodywork:

Body panel removal and installation, seat removal, storage compartment access.

Preventative Maintenance:

Includes step-by-step guides for routine checks such as fluid levels, track tension, belt condition, and general component inspection.

Troubleshooting:

Diagnostic charts based on symptoms, identifying common problems and their solutions for engine, electrical, and mechanical systems.

Component Overhaul:

Detailed procedures for rebuilding or overhauling major components like the engine, clutches, and suspension shocks.

Adjustments:

Instructions for calibrating carburetors, adjusting clutch weights and springs, setting track alignment, and adjusting steering linkage.

Replacement:

Guidance on replacing wear items and failed components, including part identification where applicable (though not a parts catalog).

Lubrication:

Specific lubrication points and recommended lubricant types and intervals.

Depth Level:

Comprehensive, covering everything from basic owner-level maintenance to in-depth mechanical repairs and diagnostics for a professional technician.

Diagnostic Capabilities:

Includes troubleshooting trees and symptom-based diagnostics for electrical issues and engine performance problems.

Specifications:

Provides critical torque values, clearances, fluid capacities, and electrical specifications.

📊 Manual Specifications

Format Details:

PDF (Portable Document Format) providing digital accessibility and searchability. Recommended Adobe PDF Reader for optimal display.

Image Quality:

High-quality, ensuring clear display of images, diagrams, and illustrations essential for repair procedures.

Binding:

N/A (Digital PDF Download)

Paper Type:

N/A (Digital PDF Download)

⚙️ Engine Specifications

Engine Family:

Rotax

Engine Type:

2-stroke

Displacement:

799.7 cc

Cylinders:

2

Cooling System:

Liquid-cooled

Bore X Stroke:

82 mm x 75.7 mm (typical for Rotax 800 HO)

Carburetion:

Dual Mikuni VM40 carburetors (typical)

Ignition:

CDI (Capacitor Discharge Ignition)

Horsepower Estimated:

Approx. 145-150 HP (varies slightly by year/tune)

Torque Estimated:

Not readily published, but substantial for its displacement.

Fuel Type:

Unleaded gasoline (91 octane or higher recommended)

Oil Delivery:

Oil injection system (specific oil required, e.g., XPS 2-stroke synthetic)

🔧 Transmission

Type:

CVT (Continuously Variable Transmission) with RER (Reverse) and Quick Shift (QS3) capabilities on some models.

Clutches:

Primary Clutch: TRA VII (Type R Variable) or similar. Secondary Clutch: Driven clutch with roller cam technology.

Gear Reduction:

Integrated within the chaincase.

Chaincase Oil:

Specific gear oil required (e.g., XPS Synthetic Gear Lubricant).

📐 Dimensions

Length Overall:

Varies by specific GTX model variant, typically around 116-120 inches.

Width Overall:

Varies, often around 46-48 inches.

Dry Weight Estimated:

Approx. 520-550 lbs (Varies by specific configuration and accessories).

🛡️ Safety Features

Crash Test Ratings:

N/A for snowmobiles (standardized safety is different from automotive).

Braking:

Hydraulic disc brake with stainless steel braided lines for reliable stopping power.

Throttle Safety:

Thumb throttle with safety interlock for controlled acceleration.

Handguards:

Integrated handguards to protect hands from wind and debris.

Lighting:

Halogen headlight, taillight, and brake light for visibility.

💡 Technology Features

Gauge Cluster:

Digital/analog combination gauges displaying speed, RPM, fuel level, coolant temperature, and warning lights. Likely includes odometer and trip meter.

Dpm System:

Digitally Controlled Power Management (DPM) system that manages engine power output, potentially for optimal performance, fuel efficiency, or emissions control based on various inputs.

Diagnostic Ports:

Likely has a diagnostic connector for accessing engine control unit (ECU) data, though specific connectors and protocols would be detailed in the manual.

🔧 Maintenance

Initial Break In:

Specific break-in procedure for new engines (typically 5-10 hours or specified mileage) to ensure proper piston ring seating. This will be detailed in the manual.

Oil Change Engine:

N/A for 2-stroke oil injection system; requires monitoring oil reservoir level and refilling.

Chaincase Oil Change:

Recommended every 1500-2000 miles or annually. Exact interval should be confirmed in manual.

Clutch Inspection:

Recommended annually or every 500-1000 miles. Belt inspection should be more frequent.

Spark Plug Replacement:

Typically every 1500-2000 miles or as needed based on performance. Manual will specify type and gap.

Engine Oil:

XPS 2-stroke synthetic oil or equivalent meeting specified standards (detailed in manual).

Chaincase Oil:

XPS Synthetic Gear Lubricant or equivalent specified by BRP (e.g., 75W-90 GL-4).

Coolant:

Antifreeze mixture (e.g., 50/50 ethylene glycol and water) with corrosion inhibitors suitable for aluminum engines.

Brake Fluid:

DOT 3 or DOT 4 hydraulic brake fluid (confirm specific type in manual).

Track Tension Adjustment:

Improper track tension can lead to premature wear of track, hyfax, and suspension components. Manual provides adjustment procedure.

Clutch Alignment:

Misaligned clutches can cause belt slippage, premature belt failure, and overheating. Manual details alignment checks.

Cooling System Maintenance:

Blockages or leaks in the cooling system can lead to engine overheating. Regular flushing and inspection are critical. Manual outlines system service.

Carburetor Cleaning:

Carburetors can become fouled with age or poor fuel quality, affecting engine performance. Manual provides cleaning and adjustment procedures.

Dpm System Diagnostics:

As a complex electronic system, the DPM may require specific diagnostic procedures found in the manual for troubleshooting.

📚 Vehicle History

Manufacturer:

Bombardier Recreational Products (BRP), a division of Bombardier Inc.

Gtx Lineage:

The GTX line has historically represented Ski-Doo's comfortable, well-equipped touring and crossover snowmobiles, prioritizing rider comfort for extended journeys. The 2005 model year saw significant advancements with the REV platform.

Rev Platform Impact:

The introduction of the REV platform in 2003 revolutionized snowmobile design, shifting the rider's position forward, centralizing mass, and dramatically improving handling, stability, and rider fatigue.

Manufacturing Location:

Valcourt, Quebec, Canada (Primary)

Era Significance:

Represents a key model during a period of significant technological innovation for BRP and the snowmobile industry, showcasing advancements in chassis design and engine technology.

🏆 Awards & Recognition

Industry Acclaim:

The REV platform itself received significant industry acclaim for its innovative design and performance improvements, making models like the GTX 800 HO DPM influential in their class.

Consumer Reviews:

Generally well-regarded for its power, comfort, and handling capabilities for its era. Specific reviews would vary.