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SOHC.co.uk Forums => Other Bikes => Topic started by: jon stead on October 06, 2019, 06:18:49 PM

Title: Electric fuel pump
Post by: jon stead on October 06, 2019, 06:18:49 PM
1998 Yamaha XJ900 Diversion fuel pump gave up the ghost. Upon inspection I found there’s a clip missing from the 5mm diameter solenoid spindle. The clip opens the points when the solenoid is energised and the spindle displaces.

Has anybody got any idea what this clip looks like?

I can find round wire clips, online, but only down to 6mm diameter shafts. An external circlip, that small, is not an option.

I’ve fitted a E clip for now, but this is loose fitting and I had to crimp the clip closed to stop it falling off. I’d prefer a more secure clip, but what?
Title: Re: Electric fuel pump
Post by: K2-K6 on October 06, 2019, 06:56:24 PM
Unsure what it looks like.

But found this for sale https://www.ebay.co.uk/itm/1995-YAMAHA-XJ900-DIVERSION-PETROL-FUEL-PUMP/392177364511?_trkparms=aid=1110001&algo=SPLICE.SIM&ao=2&asc=20160323102634&meid=9b376a3e351c4bb386664e582a46642e&pid=100623&rk=3&rkt=6&sd=183914917986&itm=392177364511&pmt=0&noa=1&pg=2047675&_trksid=p2047675.c100623.m-1&redirect=mobile

Which may help.
Title: Re: Electric fuel pump
Post by: jon stead on October 06, 2019, 07:02:12 PM
Unsure what it looks like.

But found this for sale https://www.ebay.co.uk/itm/1995-YAMAHA-XJ900-DIVERSION-PETROL-FUEL-PUMP/392177364511?_trkparms=aid=1110001&algo=SPLICE.SIM&ao=2&asc=20160323102634&meid=9b376a3e351c4bb386664e582a46642e&pid=100623&rk=3&rkt=6&sd=183914917986&itm=392177364511&pmt=0&noa=1&pg=2047675&_trksid=p2047675.c100623.m-1&redirect=mobile

Which may help.

Thanks for the link. I’ve seen pumps on eBay, and yes that’s the one, I’d like to fix the one I’ve got though. So I need to find a clip that will go securely into a groove on a 5mm diameter shaft.
Title: Re: Electric fuel pump
Post by: Bryanj on October 06, 2019, 09:13:55 PM
It probably was an E clip but just one that was metric and exactly correct size mate
Title: Re: Electric fuel pump
Post by: mike the bike on October 06, 2019, 10:11:31 PM
From Screwfix

EASYFIX CIRCLIPS HANDY PACK 1000 PCS (6671X)
Title: Re: Electric fuel pump
Post by: K2-K6 on October 07, 2019, 08:22:59 AM
Unsure what it looks like.

But found this for sale https://www.ebay.co.uk/itm/1995-YAMAHA-XJ900-DIVERSION-PETROL-FUEL-PUMP/392177364511?_trkparms=aid=1110001&algo=SPLICE.SIM&ao=2&asc=20160323102634&meid=9b376a3e351c4bb386664e582a46642e&pid=100623&rk=3&rkt=6&sd=183914917986&itm=392177364511&pmt=0&noa=1&pg=2047675&_trksid=p2047675.c100623.m-1&redirect=mobile

Which may help.

Thanks for the link. I’ve seen pumps on eBay, and yes that’s the one, I’d like to fix the one I’ve got though. So I need to find a clip that will go securely into a groove on a 5mm diameter shaft.

I'm just thinking in the absence of your missing bit it could help to get another example.  Sometimes arrangements like this have a "washer" with a recess in it that when pushed over the thrust side of the clip  would encapsulate it and prevent it's falling off. If anything like that had also been lost it may leave you vulnerable to further failure too.
I like to fix things like this too but can't see from diagrams available that level of detail to help out.
Title: Re: Electric fuel pump
Post by: jon stead on October 07, 2019, 04:18:05 PM
Unsure what it looks like.

But found this for sale https://www.ebay.co.uk/itm/1995-YAMAHA-XJ900-DIVERSION-PETROL-FUEL-PUMP/392177364511?_trkparms=aid=1110001&algo=SPLICE.SIM&ao=2&asc=20160323102634&meid=9b376a3e351c4bb386664e582a46642e&pid=100623&rk=3&rkt=6&sd=183914917986&itm=392177364511&pmt=0&noa=1&pg=2047675&_trksid=p2047675.c100623.m-1&redirect=mobile

Which may help.

Thanks for the link. I’ve seen pumps on eBay, and yes that’s the one, I’d like to fix the one I’ve got though. So I need to find a clip that will go securely into a groove on a 5mm diameter shaft.

I'm just thinking in the absence of your missing bit it could help to get another example.  Sometimes arrangements like this have a "washer" with a recess in it that when pushed over the thrust side of the clip  would encapsulate it and prevent it's falling off. If anything like that had also been lost it may leave you vulnerable to further failure too.
I like to fix things like this too but can't see from diagrams available that level of detail to help out.
Yup, that’s what I’ll be doing. First thing I’ll do is whip the points cover off it and see how it activates the points.
I’ve been thinking about this today, and it might be that there isn’t a clip at all, and that the plate if one of the contacts, had to locate in the groove on the spindle.
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