Yamaha FJR1300A Service Manual

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TROUBLESHOOTING9-3• Match marks not aligned2. Engine oil• Incorrect oil level• Incorrect oil viscosity (high)• Deteriorated oilEAS28600OVERHEATINGEngine1. Clogged coolant passages• Cylinder head and piston(s)• Heavy carbon buildup2. Engine oil• Incorrect oil level• Incorrect oil viscosity• Inferior oil qualityCooling system1. Coolant• Low coolant level2. Radiator• Damaged or leaking radiator• Faulty radiator cap• Bent or damaged radiator fin3. Water pump• Damaged or faulty water pump4. Thermostat• Thermostat stays closed5. Oil cooler• Clogged or damaged oil cooler6. Hose(s) and pipe(s)• Damaged hose• Improperly connected hose• Damaged pipe• Improperly connected pipeFuel system1. Throttle body(-ies)• Damaged or loose throttle body joint2. Air filter• Clogged air filter elementChassis1. Brake(s)• Dragging brakeElectrical system1. Spark plug(s)• Incorrect spark plug gap• Incorrect spark plug heat range2. Ignition system• Faulty ECUEAS28610OVERCOOLINGCooling system1. Thermostat• Thermostat stays openEAS28620POOR BRAKING PERFORMANCE• Worn brake pad• Worn brake disc• Air in hydraulic brake system• Leaking brake fluid• Faulty brake caliper kit• Faulty brake caliper seal• Loose union bolt• Damaged brake hose• Oil or grease on the brake disc• Oil or grease on the brake pad• Incorrect brake fluid levelEAS28660FAULTY FRONT FORK LEGSLeaking oil• Bent, damaged or rusty inner tube• Cracked or damaged outer tube• Improperly installed oil seal• Damaged oil seal lip• Incorrect oil level (high)• Loose damper rod assembly bolt• Damaged damper rod assembly bolt copperwasher• Cracked or damaged cap bolt O-ringMalfunction• Bent or damaged inner tube• Bent or damaged outer tube• Damaged fork spring• Worn or damaged outer tube bushing• Bent or damaged damper rod• Incorrect oil viscosity• Incorrect oil levelEAS28680UNSTABLE HANDLINGHandlebars• Bent or improperly installed right handlebar• Bent or improperly installed left handlebar1. Steering head components• Improperly installed upper bracket• Improperly installed lower bracket(improperly tightened ring nut)• Bent steering stemManuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk