Market Position:
The Arctic Cat T660 Turbo TRAIL 2006 was positioned as a touring and trail-oriented snowmobile, offering a balance of comfort, performance, and utility, often appealing to riders who valued a more relaxed riding experience with the added benefit of turbo-charged power.
Target Audience:
Specifically written for both the do-it-yourselfer and the experienced mechanic, providing a comprehensive resource for maintenance and repair.
Competitive Analysis:
Competed against similar touring and performance snowmobiles from brands like Ski-Doo (e.g., Grand Touring series), Yamaha (e.g., Vector series), and Polaris (e.g., RMK or Switchback models, depending on specific features). The turbocharger differentiated it by offering enhanced power without significantly increasing engine size.
Key Features:
Turbocharged 4-stroke engine for increased power and efficiency, comfortable trail riding ergonomics, reliable drivetrain, and likely features like electric start, reverse, and substantial storage. The 'TRAIL' designation implies a focus on groomed and packed snow conditions.
Manual Value Proposition:
Presented as an inexpensive way to keep the vehicle working properly, offering a complete official factory service repair manual for DIYers and mechanics alike.
Covered Systems:
General Information & Specifications, Engine (4-Stroke), Engine-Related Items (Water Pump, Cooling System, Turbocharger/Intercooler, APV System, ECT System), Fuel Systems (Carbureted/EFI), Electrical Systems (Ignition, Charging, Starting, Lighting, Sensors), Drive Train/Track/Brake Systems, Rear Suspension, Steering and Body, Wiring Diagrams
Electrical Systems Detail:
Ignition system, throttle position sensor, main wiring harness, voltage regulator, low-oil light sensor, coolant temperature warning light, fuel gauge sender, electric fuel pump, ignition components, emergency stop switch, ignition switch, starter motor, magneto, speedometer sensor, servomotor.
Engine Related Items Detail:
Water pump, engine pressure testing, spark plugs, compression testing, valve servicing, oil changes/filter, oil pressure testing, oil flow charts, liquid cooling system, recoil starter, air silencer, turbocharger/intercooler, Arctic Power Valve (APV) System, Exhaust Controlled Timing (ECT) System.
Drive Train Track Brake Systems Detail:
Drive chain and sprockets, driveshaft, brake system (hydraulic), drive belt, drive clutch, driven pulley, drive sprockets, track tension and alignment, brake lever/master cylinder assembly, troubleshooting for track, hydraulic brake system, drive clutch/driven pulley, and drive belt.
Suspension Steering Body Detail:
Front suspension arms, shocks, sway bar, mounting brackets, steering post, tie rods, spindles, ski alignment, ski wear bars, console, bumpers, belly pan, fuel tank, seat assembly, taillight/brakelight, windshield, backrest/rack, tunnel/chassis, headlight assembly, headlight aim adjustment.
General Specs Coverage:
Extensive general information and specifications are covered, including snowmobile identification, recommended gasoline and oil, high altitude operation, drive chain lubrication, preparation for storage/after storage, and fraction/decimal/conversion charts.
Wiring Diagrams Coverage:
Dedicated section for 'Wiring Diagrams 2006' is included, which is critical for troubleshooting the electrical system and is often a standalone component in many service manuals.
Included Procedures:
Disassembly, assembly, troubleshooting, repair, maintenance, diagnostics, inspection, adjustments, component servicing (e.g., carburetors, EFI, ignition, suspension, brakes, steering), high altitude operation, storage preparation, break-in procedures, clutch calibration, track alignment and tension.
Visual Guidance:
Extensive use of hundreds of photos and illustrations, including enlarged insets, to guide the reader through each service and repair procedure, enhancing understanding and accuracy.
Depth:
Comprehensive, from basic do-it-yourself tasks to advanced mechanical repairs, covering complete disassembly and detailed component servicing. Includes technical specifications and torque values for all major components.
Diagnostic Capabilities:
Includes troubleshooting for engine (carbureted and 4-stroke), electrical systems, track issues, and hydraulic brake systems, indicating strong diagnostic coverage.
Engine Description:
4-stroke, turbocharged gasoline engine. Based on product information and common Arctic Cat configurations of that era, likely a Subaru-derived parallel twin cylinder engine, possibly around 660cc displacement, enhanced with a turbocharger and intercooler.
Engine Technology:
Covers specific engine technologies like the Arctic Power Valve (APV) System and Exhaust Controlled Timing (ECT) System, crucial for performance and emissions management in 4-stroke engines.
Engine Diagnostics:
Includes 'Engine Piston Travel Versus Crank Angle Chart' and 'Crankshaft Runout Repair Specifications', indicating a high level of detail for engine mechanicals.
Horsepower:
Specific horsepower not provided in product description, but the 'Turbo' designation indicates significantly enhanced power output compared to naturally aspirated engines of similar displacement. Manual includes 'Engine Specifications (4-Stroke)' and 'Turbocharger/Intercooler if applicable'.
Turbocharger System:
The manual explicitly mentions 'Turbocharger/Intercooler if applicable' and includes specifications related to the EFI and potentially fuel pump, indicating a sophisticated performance system for its time.
Fuel System Type:
EFI (Electronic Fuel Injection) and potentially Carbureted variants, as the manual covers both 'Fuel System (Carbureted)' and 'Fuel System (EFI)'.
Efi Specifications:
The manual covers EFI specifications, throttle valve angle specifications, and fuel pump specifications, highlighting detailed tuning and diagnostic data for the electronic fuel injection system.
Service Intervals:
The manual covers 'After Break-In Checkup (100 Miles / 600 Miles - 4-Stroke)', indicating initial service intervals. Regular maintenance would include oil changes, belt inspection/replacement, track tension checks, and suspension lubrication, detailed within the manual.
Break In Procedure:
Detailed break-in procedure is included, specifying checks at 100 and 600 miles for 4-stroke engines, along with a checklist.
Fluid Specifications:
Manual includes 'Recommended Gasoline and Oil', 'Oil Consumption Specifications', and sections on changing oil and testing oil pressure. Specific oil types, viscosities, and coolant specifications would be detailed within the manual's 'General Information & Specifications' and 'Engine-Related Items' sections.
Torque Specifications:
Comprehensive torque specifications are provided, including general bolts, assembly schematics/torque specifications, engine torque patterns, and drive system/rear suspension torque specifications.
Common Issues:
While specific known issues aren't listed in the product description, common snowmobile maintenance concerns that would be addressed in such a manual include drive belt wear, clutch performance, suspension alignment, turbocharger health (especially with high mileage), and EFI system diagnostics.
