Brand: HONDA
Category: Motorcycle
Manual Type: User Manual
Language: English
Manual for VT700C Shadow - Troubleshooting and error codes + PDF Download
Uploaded: March 31, 2025, 4:57 p.m.
Manual Publish Date: 1986-12
Warranty Summary
Warranty information for this service manual is not explicitly mentioned.
This Honda VT700C Shadow Service Manual provides detailed instructions for maintenance and repair. It includes sections on general information, lubrication, maintenance schedules, fuel system, engine removal/installation, cooling system, clutch system, alternator/starter clutch, gearshift linkage, cylinder head/valve, cylinder/piston, crankcase, crankshaft/transmission, final drive, front wheel/suspension, rear wheel/suspension/brake, hydraulic brakes, battery/charging system, ignition system, electric starter, switches, wiring diagrams, troubleshooting, and an index. The manual emphasizes safety notices and proper service procedures.
Troubleshooting and error codes
| Problem | Possible Cause |
|---|---|
| Engine cranks but won't start | No fuel to carburetor Engine flooded (with fuel) No spark at plug (ignition system faulty) Clogged air cleaner Intake air leak Improper choke operation Improper throttle operation |
| Hard starting or stalling after starting | Improper choke operation Ignition malfunction Faulty carburetor Fuel contaminated Intake air leak Incorrect idle speed |
| Rough idle | Faulty ignition system Incorrect idle speed Incorrect carburetor synchronization Faulty carburetor Fuel contaminated Faulty air cut off valve (California model only): Faulty purge control valve Faulty air vent control valve Faulty hoses of the emission control system |
| After burning during deceleration | Faulty ignition system Faulty air cut off valve Lean mixture (California model only): Faulty secondary air supply system Faulty hoses of the emission control system |
| Misfiring during acceleration | Faulty ignition system |
| Backfire | Faulty ignition system Faulty carburetor |
| Poor performance (driveability) and poor fuel economy | Clogged fuel system Faulty ignition system Dirty air cleaner (California model only): Faulty air vent control valve Faulty hoses of the emission control system |
| Lean mixture | Clogged fuel jets Stuck vacuum piston Low float level Faulty float valve Clogged fuel tank breather Clogged fuel strainer screen Restricted fuel line Intake air leak Restricted or faulty fuel pump |
| Rich mixture | Clogged air jets Faulty float valve Float level too high Choke bystarter stuck open Dirty air cleaner |
Troubleshooting and error codes
| Problem | Possible Cause |
|---|---|
| Engine cranks but won't start | No fuel to carburetor Engine flooded (with fuel) No spark at plug (ignition system faulty) Clogged air cleaner Intake air leak Improper choke operation Improper throttle operation |
| Hard starting or stalling after starting | Improper choke operation Ignition malfunction Faulty carburetor Fuel contaminated Intake air leak Incorrect idle speed |
| Rough idle | Faulty ignition system Incorrect idle speed Incorrect carburetor synchronization Faulty carburetor Fuel contaminated Faulty air cut off valve (California model only): Faulty purge control valve Faulty air vent control valve Faulty hoses of the emission control system |
| After burning during deceleration | Faulty ignition system Faulty air cut off valve Lean mixture (California model only): Faulty secondary air supply system Faulty hoses of the emission control system |
| Misfiring during acceleration | Faulty ignition system |
| Backfire | Faulty ignition system Faulty carburetor |
| Poor performance (driveability) and poor fuel economy | Clogged fuel system Faulty ignition system Dirty air cleaner (California model only): Faulty air vent control valve Faulty hoses of the emission control system |
| Lean mixture | Clogged fuel jets Stuck vacuum piston Low float level Faulty float valve Clogged fuel tank breather Clogged fuel strainer screen Restricted fuel line Intake air leak Restricted or faulty fuel pump |
| Rich mixture | Clogged air jets Faulty float valve Float level too high Choke bystarter stuck open Dirty air cleaner |