Honda AFRICA TWIN XRV750 (1987-2002) [290/291] Fault finding
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Honda AFRICA TWIN XRV750 (1987-2002) [290/291] Fault finding

Honda AFRICA TWIN XRV750 (1987-2002) [290/291] Fault finding

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Fault Finding REF 43 10 Abnormal frame and suspension noise Front end noise L Low fluid level or improper viscosity oil in forks This can sound like spurting and is usually accompanied by irregular fork action Chapter 6 Spring s weak or broken Makes a clicking or scraping sound Fork oil when drained will have a lot of metal particles in it Chapter 6 Steering head bearings loose or damaged Clicks when braking Check and adjust or replace as necessary Chapters 1 and 6 Li Fork yokes loose Make sure all clamp pinch bolts are tightened to the specified torque Chapter 6 Fork tube bent A possibility if machine has been in an accident Replace tube s with new one s Chapter 6 Front axle or axle clamp nuts loose Tighten them to the specified torque Chapter 7 Loose or worn wheel bearings Check and renew as needed Chapter 7 Shock absorber noise Fluid level incorrect Indicates a leak caused by defective seal Shock will be covered with oil Replacement parts are available for some of the models covered seek advice on repair from a Honda dealer or suspension specialist Chapter 6 J Defective shock absorber with Internal damage This is in the body of the shock and can t be remedied The shock must be replaced with a new one Chapter 6 Bent or damaged shock body Replace the shock with a new one Chapter 6 Loose or worn suspension linkage components Check and replace as necessary Chapter 6 Loose bolts in suspension assembly Check all bolts and tighten to the specified torque settings Chapter 6 Brake noise disc brake i_ Worn brake pads if there is no friction material left there will be a metal on metal grinding sound and the brake disc will be damaged Squeal caused by pad shim not installed or positioned correctly where fitted Chapter 7 Squeal caused by dust on brake pads Usually found in combination with glazed pads Clean using brake cleaning solvent Chapter 7 Contamination of brake pads Oil brake fluid or dirt causing brake to chatter or squeal Renew the pads Chapter 7 Pads glazed Caused by excessive heat from prolonged use or from contamination Do not use sandpaper emery cloth carborundum cloth or any other abrasive to roughen the pad surfaces as abrasives will stay in the pad material and damage the disc A very fine flat file or wire brush can be used but pad renewal is recommended as a cure Chapter 7 Disc warped Can cause a chattering clicking or intermittent squeal Usually accompanied by a pulsating lever and uneven braking Renew the disc Chapter 7 i Loose or worn wheel bearings Check and renew as needed Chapter 7 Brake noise drum rear brake Worn brake shoes if there is no friction material left there will be a metal on metal grinding sound and the brake drum will be damaged Squeal caused by dust on brake shoes Usually found in combination with glazed shoes Clean using brake cleaning solvent Chapter 7 Contamination of brake shoes Oil or dirt causing brake to chattel or squeal Renew the shoes Chapter 7 Shoes glazed Caused by excessive heat from prolonged use or from contamination Do not use sandpaper emery cloth carborundum cloth or any other abrasive to roughen the friction material surface as abrasives will stay in the material and damage the drum A very fine flat file or wire brush can be used but shoe renewal is recommended as a cure Chapter 7 11 Excessive exhaust smoke White smoke j Piston oil ring worn The ring may be broken or damaged causing oil from the crankcase to be pulled past the piston into the combustion chamber Replace the rings with new ones Chapter 2 Cylinders worn cracked or scored Caused by overheating or oil starvation Check the cylinder bores lubrication system and cooling system see Chapters 2 and 3 Valve stem oil seal damaged or worn Replace oil seals with new ones Chapter 2 Valve guide worn Perform a complete valve job Chapter 2 Engine oil level too high which causes the oil to be forced past the rings Drain oil to the proper level Chapter 1 Head gasket broken between oil return and cylinder Causes oil to be pulled into the combustion chamber Replace the head gasket and check the head for warpage Chapter 2 Z Abnormal crankcase pressurisation which forces oil past the rings Clogged breather is usually the cause Black smoke Qi Air filter clogged Clean or replace the element Chapter 1 n Main jet too large or loose Compare the jet size to the Specifications Chapter 4 LJ Choke cable or plungers stuck causing fuel to be pulled through choke circuit Chapter 4 Fuel level too high Check and adjust the float height s as necessary Chapter 4 ILl Float needle valve held off needle seat Clean the float chambers and fuel line and replace the needles and seats if necessary Chapter 4 Brown smoke Main jet too small or clogged Lean condition caused by wrong size main jet or by a restricted orifice Clean float chambers and jets and compare jet size to Specifications Chapter 4 Fuel flow insufficient float needle valve stuck closed due to chemical reaction with old fuel fuel level incorrect restricted fuel line faulty fuel pump Chapter 4 Li Carburettor intake manifold clamps loose Chapter 4 Air filter poorly sealed or not installed Chapter 1

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