1985-2000 Yamaha XT350N/NC Service Manual
Technician-level documentation for the Yamaha XT350N/NC motorcycle covering engine overhaul, carburetion, chassis, and electrical systems. Ref: LIT-11616-04-73
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Sample pages from the 1985-2000 Yamaha XT350N/NC Service Manual manual
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha XT350, XT350N, XT350NC
Sub-models / Variants: 49-State model, California (NC) model
Build Years: 1985–2000
Serial Numbers: JYA57T00 FA000101 (General), JYA56R00 FA000101 (California)
Technical Data:
- Engine displacement: 350 cc
- Idle speed: 1,300–1,400 r/min
- Compression pressure (standard): 1,079 kPa (156 psi)
- Spark plug gap: 0.7–0.8 mm (0.028–0.032 in)
- Intake valve clearance (cold): 0.08–0.12 mm (0.003–0.005 in)
- Exhaust valve clearance (cold): 0.13–0.17 mm (0.005–0.007 in)
- Drive chain slack: 30–40 mm (1.18–1.57 in)
- Engine oil capacity (without filter change): 1.3 L
- Engine oil capacity (with filter change): 1.6 L
- Front fork oil capacity (each fork): 319 cm³
- Steering stem bolt torque: 54 Nm (39 ft-lb)
- Oil drain plug torque: 43 Nm (31 ft-lb)
Yamaha Manual Features & Content Preview
1985–2000 Yamaha XT350 Technical Documentation
- Covers 1985–2000 Yamaha XT350N and XT350NC dual-sport motorcycles, including specific emissions-compliant California variants
- Original OEM publication P/N LIT-11616-04-73, first edition October 1984
- Contains 47 exploded-view diagrams and 18 specialized torque-specification tables for engine and chassis assembly
- File link appears in your order confirmation straight away
- OCR text layer lets you jump to a torque spec by keyword
- Suitable for printing individual sections for shop-floor use
- This 1984 first edition remains the authoritative technical reference for the entire production run of the XT350 platform, covering all major engine and chassis components
Engine and Maintenance Scope
The 1985–2000 Yamaha XT350 service manual provides extensive coverage of engine overhaul procedures, including disassembly of the cylinder head, camshaft, piston assemblies, and transmission. Maintenance intervals are outlined for both emissions-controlled and standard units, detailing oil change procedures, valve clearance adjustments, and spark plug replacement. Detailed inspections cover the oil pump, clutch housing, and shift cam assemblies, with specific wear limits defined for friction plates and gear teeth.
The 1985–2000 Yamaha XT350 service manual also documents essential chassis maintenance, such as front fork oil changes, drive chain slack settings, and steering head adjustments. These chapters provide clarity on what an OEM service publication covers regarding suspension tuning, including spring preload and damping settings for various loading conditions. Reference values for tire pressure and battery fluid maintenance are also included.
Specification Highlights
The manual details critical fastening procedures across all systems. Cylinder head bolt torque is documented at 10 Nm in the engine assembly section. Recommended oil for the engine is SAE 20W40 for 5°C or higher and SAE 10W30 for lower temperatures. Crankcase holding screw torque is 7 Nm. Intake valve clearance is set to 0.08–0.12 mm at cold temperatures, while exhaust valves require 0.13–0.17 mm clearance. Reference only — always consult a certified technician before performing service on this equipment.
An official 100-page Yamaha OEM service manual covering the 1985–2000 Yamaha XT350, documenting engine, chassis, and electrical specifications for the N and NC variants throughout their production lifecycle.
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