Diagnosis and troubleshooting of motorcycle Suzuki DR-Z 250 (1996-2007)

Engine Troubleshooting
Malfunction Manifestation and possible causes Remedy The engine does not start or is difficult to start. Low compression 1. Valve clearance is not adjusted. Adjust. 2. Worn valve guides or incorrect valve seat clearance. Repair or replace. 3. Valve...

Carburetor Troubleshooting
Malfunction Manifestation and possible causes Remedy Problems starting the engine. 1. The idle speed jet is clogged. Clear. 2. The idle speed pipe is clogged. Clear. 3. Air leakage from carburetor connections. Tighten and replace gaskets. 4. The...

Troubleshooting chassis problems
Malfunction Manifestation and possible causes Remedy Great effort when turning the steering wheel. 1. «Overstretched» steering axle nut. Adjust. 2. The bearings in the steering axle are faulty. Replace. 3. The steering axle is deformed. Replace. 4....

Troubleshooting the brake system
Malfunction Manifestation and possible causes Remedy Bad braking. 1. Not enough brake fluid. Top up. 2. Air in the brake hydraulic system. Vent the air. 3. Brake pads are worn out. Replace. Insufficient braking force. 1. Brake fluid leak. Repair. 2....

Electrical Troubleshooting
Malfunction Manifestation and possible causes Remedy No spark or weak spark. 1. The ignition coil is faulty. Replace. 2. The spark plug is faulty. Replace. 3. The generator or CDI unit is faulty. Replace. The spark plug becomes covered with soot. 1....

Battery Troubleshooting
Malfunction Manifestation and possible causes Elimination Sulfation, oxidation or stains on the battery plates. 1. Crack in the battery. Replace battery. 2. Large discharge current for a long time. Replace battery. The battery discharges quickly...