1985 Yamaha VMX12N / VMX12NC / VMX12NKC Supplementary Service Manual
This manual provides detailed service and repair information for Yamaha VMX12N, VMX12NC~K, and VMX12NKC models, covering engine, chassis, and electrical systems. Includes part numbers like LIT-11616-VM-13.
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Models Covered & Key Technical Specifications
1985 Yamaha VMX12N, VMX12NC~K, VMX12NKC Supplementary Service Manual This manual provides detailed service and repair information for Yamaha VMX12N, VMX12NC~K, and VMX12NKC models, covering engine, chassis, and electrical systems. Includes part numbers like LIT-11616-VM-13.
- General Information: Covers motorcycle identification and special tools for various service types.
- Specifications: Details general, engine, chassis, and electrical specifications for the VMX12 series.
- Engine Overhaul: Documents engine removal, disassembly, inspection, and repair procedures.
- Chassis Service: Covers front and rear brakes, front forks, and steering head adjustments.
- Electrical Systems: Provides circuit diagrams, ignition system details, and wiring diagrams.
- Maintenance Schedules: Outlines periodic maintenance intervals for engine and chassis components.
Professional Workshop Service Manual & Technical Specifications
Advanced Calibration Manual: Yamaha VMX12N, VMX12NC~K; VMX12NKC - Comprehensive Supplementary Service Manual (1985) for Professionals Repository
Model-Specs: VMX12N, VMX12NC~K, VMX12NKC / System-Coverage: Motorcycle / Technical-Benchmarks: 1985 Model Year Specifications
| Assessment-Element | Diagnostic-Logic | Framework |
|---|---|---|
| Engine Displacement | 1198 cc | Liquid-Cooled V-Four |
| Fuel System | Carburetor | BDS 35 x 4 / Mikuni |
| Transmission Type | 5-Speed Constant Mesh | Left Foot Operation |
| Front Suspension | Telescopic Fork | Air Pressure Adjustable |
| Rear Suspension | Dual Shock | Preload & Damping Adjustable |
| Brakes | Dual Disc Front / Single Disc Rear | Hydraulic System |
The service manual covers engine systems, chassis components, and electrical diagnostics for the 1985 Yamaha VMX12 series. It details procedures for engine removal, disassembly, and reassembly, including specific steps for the crankshaft, connecting rods, and bearings.
Engine Overhaul Procedures
This section documents the complete engine overhaul process, from preparation for removal to reassembly. It includes detailed steps for cylinder head and camshaft service, starter idle gears, clutch, oil pump, and crankcase assembly.
Chassis and Electrical System Documentation
The manual also provides comprehensive information on chassis components, including front and rear brakes, front fork adjustments, and steering head maintenance. Electrical system details cover circuit diagrams, ignition systems, and wiring diagrams for a thorough understanding of the motorcycle's electronic functions.
Rigorous testing and adherence to specifications ensure optimal performance and longevity for your Yamaha VMX12.
...documents torque specifications for critical engine components to ensure proper axial load stability.
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