Yamaha YZ250(G)/LC Service Manual (575 P.)
Documents the YZ250 series two-stroke motocross machine with complete clutch adjustment, carburetor tuning, and transmission maintenance procedures. Includes radiator capacity 1.2L and spark plug specifications.
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha YZ250
Sub-models / Variants: YZ250LC (Europe), YZ250G1 (USA), YZ250(G) (Canada, Australia, New Zealand, South Africa)
Build Years: 1995
Serial Numbers: Frame: 4MX-000101 (F, D, GB, I), 4MX-006101 (ZA); Engine: 4MX-000101 (F, D, GB, I, E), 4MX-006101 (USA, CDN, ZA), 4MX-017101 (AUS, NZ)
Technical Data:
- Engine: Liquid-cooled 2-stroke, single-cylinder
- Displacement: 249 cc
- Bore x Stroke: 68.0 x 68.8 mm
- Compression Ratio: 9.0–10.9:1
- Transmission: Constant mesh, 5-speed
- Fuel System: PWK38 Keihin carburetor
- Ignition: CDI magneto
- Coolant Capacity: 1.2 liters (1.27 US qt)
Yamaha Manual Features & Content Preview
Yamaha YZ250 1995 Owner's Service Manual
- Built for owners and professional workshops maintaining the 1995 Yamaha YZ250 competition motocross series, including European, USA, and international variants.
- Official Yamaha publication P/N 4MX-28199-80, first edition for the 1995 model year.
- Contains 47 torque-specification tables, 2 wiring schematic overviews, and detailed component-inspection criteria for engine and chassis systems.
- Accessible from your device as soon as the order is placed.
- OCR text layer lets you jump to a torque spec by keyword.
- This 1995 manual is the essential factory reference for the 4MX-series engine and chassis rebuilds, providing specific clearance data and setup parameters for competition-level maintenance.
1995 Yamaha YZ250 Documentation Scope
The 1995 Yamaha YZ250 service manual provides structured technical data for the maintenance and tuning of the 249 cc liquid-cooled two-stroke engine and associated chassis components. Chapters cover essential identification and preparation, specialized tools for engine service, control function operation, and detailed inspection routines for the cooling, transmission, ignition, and suspension systems.
Additional sections document the how factory workshop documentation is structured regarding torque settings and system clearances for the 4MX-model architecture. The documentation includes maintenance schedules for fluid changes, air filter care, and storage procedures to prevent engine and metallic surface deterioration during extended idle periods.
Specification Highlights
Cylinder bore measures 68.000–68.014 mm in the 1995 Yamaha YZ250 engine specification tables. Piston ring end gap is documented at 0.55–0.75 mm within the maintenance data section. The transmission oil capacity for the 1995 Yamaha YZ250 is specified at 0.75 liters for periodic changes. Reference the torque tables for precise tightening values, such as the cylinder head nuts which are documented at 28 Nm.
This 575-page official Yamaha workshop manual covers the 1995 Yamaha YZ250, documenting engine, chassis, electrical, and tuning specifications for the 4MX-series build.
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