1988-1990 Honda NX250 Service Manual

Honda NX250 1988–1990 Service Manual

• Covers 1988–1990 Honda NX250 motorcycles, detailing essential maintenance, engine, chassis, and electrical specifications
• Original OEM publication dated July 1988
• Contains 47 exploded-view diagrams and 6 detailed torque-specification tables for engine and chassis assembly
• Available as an instant download directly to your device as soon as checkout is complete
• Easily print individual sections to take straight to the shop floor
• This 1988 first edition provides the factory-authorized technical data for the NX250 model launch build
• 245 Pages

Document Coverage and Technical Data

What the Manual Documents

This original service document outlines the complete component breakdown for your dual-sport machine. Whether you are doing routine lubrication or a full engine teardown, having exact factory tolerances on hand prevents costly mistakes. Because this is an instant download, you can quickly pull up the wiring diagrams on your tablet right next to the bike.

The manual covers the entire motorcycle. It details the fuel system, including Keihin 32 mm carburetor disassembly and adjustment, alongside cooling system testing. You will find dedicated chapters for engine removal, clutch inspection, alternator service, and cylinder head valve train components. Chassis sections break down the suspension, braking, and wheels. When working on these heavy components, always ensure the motorcycle is securely supported on a proper center stand or lift before beginning any serious wrenching.

Specification Highlights

Technical depth remains the primary focus throughout the document. It provides crucial specifications without the guesswork, listing a cylinder head bolt torque of 46 Nm (33 ft-lb) and 12 Nm (9 ft-lb). The coolant system capacity is documented at 1.0 liters. In the engine data section, valve clearance for both intake and exhaust is precisely listed at 0.23 ± 0.03 mm, while the exact carburetor float level is specified at 14 mm.