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Re: Guide: repair horn on an XBR https://ukbeg.com/forum/viewtopic.php?f=17&t=10286 |
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Author: | boethius [ 17 Mar 2011 17:18 ] |
Post subject: | Re: Guide: repair horn on an XBR |
Stage 1: Remove the cowling then remove the left fuse box noting the clip that grips the wiring loom for re-assembly. Use 3/8" spanner to remove the two bolts holding the left fuse box. Stage 1 illustration: Remove the Spanish manufactured electronic flasher unit from the right side and the fuse box from the right side after-ward again noting the position of the clip that grips the wiring loom for re-assembly; holding the wire that feeds the flasher unit and just above the wiring branch. Use size T27 Torx spanner to remove flasher unit. Use 3/8" spanner to remove bolts holding right side fuse box. stage:2 You now have access to the side bolts gripping the headlight hosting. I say hosting because it doesn't actually house the headlights but holds them. The headlight must be removed to access the horn. Stage 2 illustration: Stage 3: Remove the two bolts, one each side of the E.C.U, that fix the headlight hosting to the head gear. The headlights will fall free and because you have removed all other associated electrical parts from the head gear you now have full access to the horn. Use a 3/8" socket or torque head spanner to remove the bolts from the head gear. Stage 3 illustration: Stage 4: The horn is connected to the frame by a single Allen bolt. Remove the horn from the frame and check the connectors are properly fitted. Check that the wires leading immediately from them are not worn or exposed as they could be. Should the horn work loose on the allen bolt they could rub. |
Author: | boethius [ 17 Mar 2011 20:15 ] |
Post subject: | Re: Guide: repair horn on an XBR |
Stage 5: Mark off so you know which way the connectors are set and remove them. Brush the terminals and re-connect. Stage 5 illustration: Stage 6: I didn't have a small wire brush so I used a small camping lock knife to remove ferrous metal build up where the terminals met the horn casing to reduce the risk of run off into the casing, if such a thing would occur, and roughed the connectors to a shine with it. Re-connect the indicators if you have not already since removing the cowling so that no dead spots or shorts are likely, re-connect the horn and test it. My horn did not work. This is a riveted but standardised unit so it cannot be repaired but is easily replaceable. Perhaps the shaking as it wore loose has jammed the moving parts inside. However it became broken it remains that I must obtain a new one with a diameter of 8cm or smaller. |
Author: | boethius [ 18 Mar 2011 09:23 ] |
Post subject: | Re: Guide: repair horn on an XBR |
Check brake lights before removing horn to ensure no wiring fault Although I checked the condition of the fuse and found it to be fine while giving the matter some thought I realised it might be worth pushing the brake lever before I bought a new horn. One fuse moderates both the horn and brake light. I found that the brake light was not working when the front lever was pressed but was when the rear was pressed. I will now have to identify the fault in the wiring loom. I'll start towards the front of the loom and bike because the rear brake does activate the brake light. I'll be checking connectors and checking for breaks in the wiring. |
Author: | Maz [ 18 Mar 2011 13:17 ] |
Post subject: | Re: Guide: repair horn on an XBR |
Switch is fucked= very common fault |
Author: | Nutah [ 18 Mar 2011 16:39 ] |
Post subject: | Re: Guide: repair horn on an XBR |
might be worth mentioning that to remove the nose fairing you need to remove the front indicators the mirrors and the bottom 2 screen screws a multimeter is handy to check for voltage (or a lamp) on the connections if unsure of the horn , once removed connect it direct to the battery |
Author: | boethius [ 18 Mar 2011 17:18 ] |
Post subject: | Re: Guide: repair horn on an XBR |
Nutah wrote: if unsure of the horn , once removed connect it direct to the battery How about connecting it to a battery charger? |
Author: | boethius [ 19 Mar 2011 12:40 ] |
Post subject: | Re: Guide: repair horn on an XBR |
Solution here: The fault was repaired by opening the housing on the left bar. Some muck or furring must have been preventing the spring from compressing fully (see illustration). I noticed that the rubber grip had bonded to the housing and wonder if some of this melted rubber or glue caused the problem. Remove two allen key bolts to remove the housing and pull from the bar taking note of the spacer. Buell XBR 2004 horn button spring: Note: There are holes in the bar with corresponding plugs in the grip that determine the only position that the housing will sit on re-assembly. |
Author: | boethius [ 19 Mar 2011 13:13 ] |
Post subject: | Re: Guide: repair horn on an XBR |
Re-assembly Mexican manufactured horn Headlight - tighten grip bolts on side Right side fuse box Spanish manufactured flasher unit Left fuse box Ensure ECM is placed when fixing the headlight. It bolts between the headlight hosting and the head gear. |
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