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MOTOBRICK MARKETPLACE => FS WTB WTT ~ Bikes ~ Parts ~ Gear => Topic started by: John Lang on November 05, 2018, 02:40:40 PM
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I snapped off the front left turn signal signal and am attempting to McGyver it back on. I would certainly consider buying a used cowl but am having difficulty finding a part number. My bike is a 1987 K75C, VIN 0115772. Headlight shown in various fiches is a different than mine (photo). The Canadian K75C might have had the K100 headlight. Not sure. Anyway, if anyone has the cowl in the photo (and in a photo Laitch recently used to point out the accessory plug location) and is willing to part with it please let me know. Thanks.
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Is it here?
http://www.realoem.com/bmw/enUS/partgrp?id=0564-EUR-01-1987-K569-BMW-K_75_C_0564,0574_&mg=51
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MaxBMW lists P/N 62 21 1 453 625 COVERING COCKPIT PRIME COATED for $96.28
62211453625_1_N.jpg (1.21 kB . 100x75 - viewed 483 times)
https://shop.maxbmw.com/fiche/DiagramsMain.aspx?vid=51741&rnd=07242017
Go to group 62 instruments dash
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Thanks Ed and Gryph for the prompt response. Ed -- the photos of painted plastic bits show the correct cowl but the fiche says discontinued to all of them. Gryph found it on MaxBMW for $98. Not bad, considering I saw one on eBay for $500+!! Meanwhile, I have jury-rigged something to hold the signal light in place and am gluing the broken pieces back together. When the epoxy sets I will see whether I can make it cosmetically acceptable by fitting them so as to cover up my McGyver work. Then, having given it a brave attempt, I'll no doubt contact MaxBMW. Thanks again. - J
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The 60USD style will work with your moto, too, John. Part #62211459490
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Thank you, Laitch. Interesting. I'll check it out.
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That actually looks pretty repairable.
Whereabouts are you?
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I'm in Ottawa, ON. I have installed a brace (metal strip formerly covering an expansion slot on the back of my PC) inside the cowl across the break and drilled for the screw that holds the indicator. It takes the stress of holding the indicator in place. I have epoxied the three broken pieces of plastic cowl and will cover the brace with them by gluing them into the break. Chances are I will get away with this. Much of the otherwise visible damage (and sloppy glue work) lies beneath the indicator itself, and I am not so particular anyway. Ideas for other fixes always welcome.
Lesson learned so far: JB Plastic Weld may be a good putty-like filler but is not a good glue. I scraped it off and reverted to good old JB Weld (24-hour cure).
I saw an ad for a plastic welding kit, a kind of large soldering iron, but visions of melted plastic dripping down made me dismiss it as an option. Others might have experience with this sort of thing. I'll post a photo of the final result.
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This is ABS plastic, epoxies don't work very well with it. Plastic putty is good for chunky bits, not the thin
wall stuff.
I use dissolved plastic and fiberglass cloth to fix holes like that. You get glass-reinforced plastic, without the bulk of metal plates, and you can sand and paint it if you need to.
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It's ABS!! I wish I had known that at the outset. I could find no reference to the plastic type other than the stamped codes I could not decipher. YouTube says I can repair ABS in a few minutes using MEK to glue on reinforcing pieces obtainable at my hardware store. You are correct that JB Weld is not working too well but my glued pieces do not need to provide much support, given the little re-bar I am installing to assist them. They do provide location holes for pins on the indicator. If my fix wobbles or breaks I am off to get MEK and some ABS pieces. Ask about something on Motobrick and learn. Your fiberglass method sounds good too. I will keep it in mind. Many thanks.
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It's fixed. I am definitely not proud of my workmanship but pleased with the practical result. The restored indicator is as solid as the other, original one. Next time I have a Tupperware problem I will study up on ABS and/or fiberglass repair rather than epoxy. Thanks to all for help and suggestions.
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:clap:
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It's fixed.
:2thumbup: