Model:
340 Series Snowmobiles
Model Variants Covered:
Deluxe, Touring, Sport Touring, Super Sport, Trail Touring, Trail RMK
Platform:
Likely based on Polaris's then-current chassis architecture for the 340cc class
Segment:
Entry-level to mid-range touring and trail snowmobiles, focused on reliable performance and comfort for recreational riding.
Competitors:
Competed with similar offerings from Yamaha (e.g., Bravo, Phazer), Ski-Doo (e.g., Safari, Formula), and Arctic Cat (e.g., Panther, Cougar) in the 340cc and similar displacement classes.
Features:
Versatile models catering to different rider preferences, from comfortable touring to light trail performance. The 340cc engine offered a balance of economy and adequate power for its intended use.
Technical Topics:
General Information, Routine Maintenance, Engine Removal and Installation, Fuel System, Lubrication and Cooling System, Engine Specifications, Transmission, Drive Chain & Sprockets, Steering System, Shocks, Body Work, Intake & Exhaust, Electrical System, Advanced Troubleshooting
Applicable Models:
2000 Polaris 340 Deluxe, 2000 Polaris 340 Touring, 2000 Polaris Sport Touring, 2000 Polaris Super Sport, 2000 Polaris Trail Touring, 2000 Polaris Trail RMK
Estimated Page Count:
Likely 300-500 pages, typical for a comprehensive snowmobile service manual of this era.
Type:
Repair Manual / Service Manual / Workshop Manual
Engine:
Complete engine teardown, assembly, troubleshooting, and component specifications for the 340cc engine.
Fuel System:
Carburetor adjustment, cleaning, and overhaul; fuel pump operation; fuel line routing and inspection.
Lubrication Cooling:
Oil pump operation, oil capacities, cooling system maintenance (if applicable for liquid-cooled variants), and radiator care.
Transmission Drivetrain:
Drive clutch and driven clutch service, belt inspection and replacement, chaincase inspection, lubrication, and gear maintenance.
Steering Suspension:
Handlebar and steering post components, spindle and ski alignment, front and rear suspension adjustments, shock absorber servicing.
Electrical System:
Ignition system troubleshooting (CDI, spark plugs), lighting circuits, starter system, wiring diagrams, and battery maintenance.
Bodywork Chassis:
Seat removal, paneling and fairing inspection and repair, tunnel integrity, and basic chassis component checks.
Routine Maintenance:
Pre-ride inspections, lubrication points, belt tension checks, spark plug replacement, air filter cleaning/replacement.
Engine Repair:
Piston and ring replacement, cylinder head service, gasket replacement, and engine rebuild procedures.
Troubleshooting:
Diagnostic charts for common starting, running, and performance issues, including electrical and fuel system problems.
Clutch Service:
Detailed instructions for clutch alignment, weight and spring inspection, and roller replacement.
Depth:
Comprehensive; covers everything from basic user maintenance to advanced engine rebuilding and electrical diagnostics.
Engine Type:
2-stroke, Fan-cooled (likely for most variants, some premium models may have had liquid cooling, but 340cc typically fan-cooled)
Displacement:
339.7 cc (20.7 cubic inches)
Bore X Stroke:
Typically around 62.0 mm x 55.5 mm, but specific variant details may vary.
Carburetion:
Likely a single Mikuni VM34 or similar carburetor for the 340cc engine.
Horsepower Range:
Approximately 30-40 horsepower, depending on tuning and specific model variant.
Fuel Type:
Unleaded gasoline (typically 87 octane recommended)
Oil Mixture:
Oil injection system or pre-mix (50:1 ratio with 2-stroke oil) depending on specific engine design.
Type:
CVT (Continuously Variable Transmission) with Polaris P-85 drive clutch and a roller cam driven clutch.
Options:
N/A (CVT was standard for this class and year)
Gear Reduction:
Internal gear reduction within the chaincase for drive train engagement.
Chain Type:
Likely a #47 or similar pitch roller chain in the chaincase.
Length:
Varies by model variant (e.g., RMK models tend to be longer for mountain riding, touring models for stability).
Width:
Varies by model variant, typically around 42-48 inches for the skis.
Dry Weight:
Approximately 450-550 lbs depending on model and features. (e.g., RMK versions might be lighter).
Fuel Capacity:
Typically around 7-10 gallons.
Crash Test Results:
N/A (Snowmobiles are not typically subjected to automotive crash testing standards).
Braking System:
Hydraulic disc brake, usually caliper-mounted to the driveshaft or jackshaft.
Throttle Safety:
Thumb throttle with a safety lockout mechanism.
Lighting:
Headlight, taillight, and brake light for visibility and signaling.
Features:
Basic instrumentation cluster: speedometer, tachometer, odometer, fuel gauge (if equipped), indicator lights for engine and oil.
Features:
N/A (No electronic driver assistance systems in the modern sense).
Features:
N/A (No electronic connectivity features).
Oil Change:
If oil injection, check oil reservoir level regularly. For chaincase, lubrication check every ~1000 miles or annually.
Spark Plug Replacement:
Typically every 1000-2000 miles or as per manual recommendation (e.g., NGK BR9ES or equivalent).
Clutch Maintenance:
Inspection of clutch weights, springs, and rollers at 500-1000 mile intervals; belt inspection at every ride.
2 Stroke Oil:
Use a high-quality API-TC certified 2-stroke snowmobile oil for oil injection or pre-mix.
Chaincase Oil:
Typically SAE 80W-90 hypoid gear lubricant or specific Polaris chaincase lubricant.
Common Problems:
Clutch wear (sheaves, rollers, buttons), carburetor gumming/fouling if fuel is left standing, recoil starter issues, track tension adjustment.
Preventative Maintenance:
Regular cleaning of clutches and carburetors, proper storage with fuel stabilizer, consistent checking of track tension and alignment are key.
Manufacturer History:
Polaris Industries is a long-standing American manufacturer known for its snowmobiles, ATVs, UTVs, and motorcycles, established in 1954.
Lineage:
The 2000 models represent a mature iteration of Polaris's popular mid-size and entry-level snowmobile platforms, building on decades of design and engineering experience.
Manufacturing Location:
Manufactured by Polaris Industries, likely in their Minnesota facilities.
