1998 Ski-Doo Snowmobile Shop Manual: Tundra II LT, Touring E/LE, Formula S/S Electric/SL, Skandic 380/500 Service Manual (P/N 484 0680 00)

• Six-document 1998 Bombardier publication set—not Volume 1 alone. The 1,155-page PDF contains Volume 1, P/N 484 0680 00 (334 pages); Volume 2, P/N 484 0682 00 (394 pages); Volume 3, P/N 484 0684 00 (300 pages); the MX Zx 440 LC supplement (484 0702 00, 30 pages); the Summit x 670 supplement, P/N 484 0697 00 (40 pages); and the Tundra R/Touring SLE supplement, P/N 484 0696 00 (57 pages).
• Coverage is mapped by publication. Volume 1 and its related supplement cover Tundra II LT, Tundra R (3268/3269), Touring E/LE, Touring SLE (1229/1230/1231), Formula S/S Electric/SL, and Skandic 380/500. Volume 2 and its supplements cover MX Z 440/500/583/670, MX Zx 440 LC, Formula 500/500 De Luxe/583 De Luxe/Z 583/Z 670, Summit 500/583/670, Summit x 670 (1307/1310), Grand Touring 500/583, and Skandic WT/SWT/WT LC. Volume 3 covers Grand Touring 700/SE, Formula III 600/600 R/600 LT/700/700 R, and Mach 1/1 R/Z/Z R/Z LT/Z LT R, including the Mach Z LT SV Track version.
• Engine repair sections cover 277, 377, 443, 454, 494, 503, 583, 599, 670, 699, and 809 configurations, with power-unit removal, top- and bottom-end repair, leak testing, dimensional inspection, crankshaft checks, cooling, oil injection, CDI, carburetor, and fuel-pump work.
• Drivetrain material addresses Bombardier Lite, TRA, and TRAC pulley systems, drive-belt and driven-pulley service, pulley distance and alignment, chaincases, drive chains, Skandic gearboxes, mechanical and hydraulic brakes, and the electronic-reverse system used on Tundra R and Touring SLE.
• Electrical coverage combines Nippondenso and Ducati CDI service with model-specific, multimeter-based fault tracing, ignition timing, charging and lighting tests, battery and electric-starter repair, wiring annexes, connector-location references, and the Summit x 670 DESS, MPEM, and DPM systems.
• Chassis and running-gear chapters document Torque Reaction, SC-10, Formula Z 670, and Skandic WT rear suspensions, drive-axle and track repair, steering and ski alignment, DSA front suspension, body/frame service, and MX Zx HPG Racing remote-reservoir shock servicing.

Service and Diagnostic Content

The three main shop manuals share a workshop structure: service tools and products, scheduled maintenance, symptom-based troubleshooting, engine, transmission, electrical, rear suspension, steering/front suspension, body/frame, technical data, and wiring diagrams. Their introductions distinguish the covered S-Series, Skandic WT Series, and CK3 Series chassis families. Regional model-number tables for Canada, the United States, and Europe help separate machines that share a model name but carry different factory identification numbers. Vehicle and engine serial-number locations are illustrated as well.

Engine coverage is organized for repair, not routine maintenance alone. The chapters describe in-chassis top-end work where applicable, complete power-unit removal, bottom-end disassembly, bearing and seal installation, crankcase assembly, and final leak verification. Inspection material covers cylinder taper and out-of-round, piston and ring clearances, connecting-rod checks, crankshaft deflection and end play, surface flatness, and crankshaft alignment. Separate sections handle axial-fan and liquid-cooling systems, rotary-valve lubrication and coolant-pump components, RAVE components, CDI magnetos, oil-pump identification and synchronization, line bleeding, carburetor synchronization, choke and float adjustment, and fuel-pump testing.

Transmission repair follows the clutch and drive hardware used on each model group. The manuals identify drive belts, pulley types, calibration components, spring preload, engagement specifications, and alignment methods, then provide the related removal, disassembly, inspection, assembly, and adjustment procedures. Chaincase and gearbox sections cover sprockets, bearings, seals, shift mechanisms, drive-chain setup, lubricant specifications, and final checks. Mechanical and hydraulic brake chapters address calipers, discs, pads, master cylinders, cables, fluid replacement, adjustment, and bleeding.

Factory Tools, Charts, and Diagrams

The service-tool sections separate mandatory and recommended tools, then show each tool’s application and Bombardier part number. Examples include the engine leak tester kit (P/N 861 7491 00), magneto puller (P/N 529 0225 00), piston-pin puller (P/N 529 0290 00), model-specific transmission alignment bars (P/N 529 0267 00, 529 0269 00, and 529 0300 00), and the DESS programmer (P/N 529 0355 02).

Diagnostic support is built around symptom tables and system tests. Named visual references include the Engine Leak Verification Flow Chart, Pulley Alignment and Distance Specifications Chart, Liquid Cooling Flow diagram, DESS System Component Location view, SC-10 suspension exploded assemblies, and wiring-diagram legends with connector housing areas and terminal locations. Model-group wiring annexes let the technician select the correct circuit before testing.

Technical Data and Scope

The technical-data chapters provide engine and vehicle specification tables, component-specific tightening torques, capacities and approved lubricants, wear limits, clearances, pressure-test data, clutch and track adjustments, carburetor calibration, and electrical resistance and output values.

Supplement-specific coverage is substantial. The MX Zx 440 LC section documents a premix engine-lubrication arrangement with the oil pump serving the rotary-valve system, a three-radiator liquid-cooling layout, the TRAC clutch, and HPG Racing shock repair. Its unchanged procedures come from Volume 2, as do those referenced by the Summit x 670 supplement; the Tundra R/Touring SLE supplement draws on Volume 1. All three base volumes are included here.

Two repair traps are especially important. The 377/443/503 crankcase halves are factory matched and cannot be replaced one half at a time. On twin-carburetor engines, the carburetors may use side-specific jetting, and oil-injection pump synchronization must be rechecked after carburetor adjustment; mixing the carburetors or skipping that check can cause engine damage.

High-altitude jetting and transmission-calibration sheets are referenced to separate publication P/N 484 0686 00 and are not part of this set. The manuals describe factory-built configurations as they existed at production and do not cover later dealer modifications. They assume proper hand tools, the listed special tools, and technician-level safety practices. Rotating clutches and tracks, spring-loaded components, electrical circuits, fuel systems, brakes, and hot or pressurized cooling systems must be secured and serviced according to the warnings in the applicable chapter.