Crusty Posted January 14 Posted January 14 Hi all 1991 Honda VFR 750 FM RC36 1991 (Australian model) slowly replacing bits like worn out brake disks/rotors, overhauling all brake calipers (sliding pins, pistons, pads, fluid), new fuel filter and pump, new thermostat & temperature sender (which is an absolute pig to get to BTW), new 85°C fan temp switch, new coolant, sparkplugs, oil & filter. So it has been a voyage of discovery / unknown but this site has really helped me out many times when I am stuck. There is an aftermarket fiberglass single piece lower fairing and some tatty original ABS upper cowling with headlight/indicators. My question is where does this part come from as it just fell out when I removed lower fairing? It is flexible rubber about 6-7" long. Any help would be appreciated Crusty Quote
Member Contributer Captain 80s Posted January 14 Member Contributer Posted January 14 While that is oddly different from the US version, I believe that is a heat "shield" / duct that installs starting at the radiator and follows down the lower (smaller) frame rail above the crankcase covers. The small hole should engage a plastic pin in the frame and the large hole that is split normally wraps around one of the PAIR hoses. My guess is that is a right side? Oh, and I'm replacing the thermostat on my 95 right now. I'm removing the carbs to do it. I am so used to pulling and installing V4 carbs that it is actually easier and less stressful for me this way. Plus, I'm gonna make a small jetting change while I'm at it. 2 Quote
Member Contributer JZH Posted January 14 Member Contributer Posted January 14 4 hours ago, Captain 80s said: While that is oddly different from the US version, I believe that is a heat "shield" / duct that installs starting at the radiator and follows down the lower (smaller) frame rail above the crankcase covers. The small hole should engage a plastic pin in the frame and the large hole that is split normally wraps around one of the PAIR hoses. My guess is right side? Oh, and I'm replacing the thermostat on my 95 right now. I'm removing the carbs to do it. I am so used to pulling and installing V4 carbs that it is actually easier and less stressful for me this way. Plus, I'm gonna make a small jetting change while I'm at it. Correct. Although in Europe there are no PAIR hoses for it to wrap around... Unfortunately, I don't have any good pictures of those ducts on my UK-spec FP, but there would have been two, originally, one on each side, and both were impressively designed and moulded by some no doubt expensive manufacturing process. We know this because when it came to accommodating the US-spec PAIR system late in the design process, the proper Honda engineers had all gone on holiday and the job was left to some work experience kids (presumably), who proceeded to just cut up some scrap rubber sheet, fold it over, punch holes in it and go off to the pub. Ciao, JZH 1 1 Quote
Member Contributer Captain 80s Posted January 14 Member Contributer Posted January 14 15 minutes ago, JZH said: Correct. Although in Europe there are no PAIR hoses for it to wrap around... Of course there weren't. I occasionally forget this. Which is surprising the number of times I have piled them in the bin. At least we also got the stupid auxiliary rear stalk turn signals. We also weren't distracted by a stupid clock unless we wanted to purchase the accessory. We could do that when we were ordering our center stand kit 1 2 Quote
Member Contributer Captain 80s Posted January 15 Member Contributer Posted January 15 7 hours ago, JZH said: We know this because when it came to accommodating the US-spec PAIR system late in the design process, the proper Honda engineers had all gone on holiday and the job was left to some work experience kids (presumably), who proceeded to just cut up some scrap rubber sheet, fold it over, punch holes in it and go off to the pub. No... that's not what happened... fuck 🤣 They did at least get out an industrial stapler before heading out for saki and beer and attach them to some really weird plastic to go around the radiator mounts. 1 Quote
Crusty Posted January 15 Author Posted January 15 Thanks everyone. It did seem to drop out of the right hand side of fairing. Its a bit like tetris trying to figure out where the bugger fits. Will have another try in daylight :) Quote
Member Contributer Dutchy Posted January 19 Member Contributer Posted January 19 https://www.cmsnl.com/honda-vfr750f-1990-l-australia_model5603/partslist/F__1700.html 1 Quote
Crusty Posted January 19 Author Posted January 19 Perfect its the right duct air intake duct thanks a bunch. I foolishly replaced clutch master and slave cylinder with repair kits on Saturday in 40°C heat. It would have been so much easier if I undid slave and pushed out piston with all connected up in the beginning. Unfortunately no compressor 😞 Quote
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