1984 Yamaha ET250 / Enticer 250 Snowmobile Service Manual
Wiring diagrams, specifications, and repair sequences for your 1984 Yamaha ET250 & Enticer 250 snowmobiles. Get detailed maintenance and troubleshooting procedures for engine, power train, and chassis systems. Publication part number B8V-21771-00.
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Models Covered & Key Technical Specifications
Yamaha ET250 / Enticer 250 (1984) (B8V-21771-00) – 1984 Tactical Repository for Technical Procedures | Suite
- Nominal Installation Footprint: 381 mm width for the drive track establishes the spatial requirements.
- Prescribed Maximum Resolution: For optimal engine function, 11 mm defines the spark plug gap measurement.
- System Twist Specifications: The primary drive V-belt has a width of 31.6 mm, serving as a crucial component.
- Technical Deviation Limits: The brake disc pad wear limit is 1.0 mm to ensure safety functionality.
- Standard Operating Temps: The engine operates within a normal range, with specific values detailed for various conditions.
- Defined Gross Dimensions: The suspension travel reaches up to 120 mm for the front and 80 mm for the rear.
Professional Workshop Service Manual & Technical Specifications
Precision Maintenance Field Manual: Snowmobile Yamaha ET250 & Enticer 250 (1984) Snowmobile Service Manual: Comprehensive Maintenance, Repair, and Parts Guide Powertrain-Manual
Reference-Category: Snowmobile / Powertrain Logic // Component-Focus: Engine, Chassis, Electrical, and Drive System // Specification-Class: Technical Data and Procedures.
Repair information is provided for the Yamaha ET250 and Enticer 250 snowmobiles. The document includes coverage of engine overhaul, power train components, chassis adjustments, and electrical system diagnostics. Rigorous maintenance procedures are outlined to ensure optimal performance and longevity.
Engine Systems
This manual meticulously documents engine systems, including detailed procedures for disassembly, inspection, and repair of critical components such as the cylinder head, piston, crankshaft, and oil pump. It provides essential information for maintaining the heart of your snowmobile.
Power Train Procedures
Power train procedures are extensively covered, detailing the removal, inspection, and assembly of the primary and secondary sheaves, chain housing, and drive components. Understanding these procedures is key to efficient power transfer.
Chassis and Suspension
Chassis and suspension systems receive thorough attention, with sections dedicated to ski and front suspension adjustments, steering mechanisms, and oil tank inspections. Proper chassis setup is vital for stability and control.
Electrical Diagnostics
Electrical diagnostics are clearly explained, covering ignition system troubleshooting, lighting system checks, and various switch tests. This ensures all electrical components function as intended.
Technical documentation covers a wide range of systems and procedures, offering a complete overview of maintenance and repair tasks. The document includes coverage of all major components and systems.
This manual documents torque specifications for critical engine and chassis components to ensure proper thermal expansion compensation.
Service sections detail the complete maintenance, repair, and parts guide for your snowmobile.
| Metric | Value | Architecture |
|---|---|---|
| Engine Type | Two-stroke, 5-port | Logic |
| Displacement | 27.9 cm³ (1.70 cu.in) | Parameters |
| Primary Drive Ratio | 3.5 : 1 ~ 1 : 1 | Configuration |
| Track Width | 381 mm (15 in) | Framework |
| Track Length on Ground | 1,330 mm (52.4 in) | Baseline |
| Front Suspension Type | Leaf spring, oil damper | Requirements |
| Ignition System | C.D.I. | Baseline |
| Voltage Regulator | TR12-50/SHINDENGEN | Parameters |
Specifications are presented in a clear and organized manner, including general specifications and maintenance-specific data for the engine and its components.
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