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1Back to top Go down    fuel injection relay substitute on Mon Mar 06, 2017 11:58 am

Puccini


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Anyone have a substitute for the 85 K100RT fuel injection relay?

    

2Back to top Go down    Re: fuel injection relay substitute on Mon Mar 06, 2017 12:31 pm

Chocolate

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Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

3Back to top Go down    Re: fuel injection relay substitute on Mon Mar 06, 2017 1:21 pm

BobT

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It is just a bog standard four pin relay. It is not a fuel injection relay as it is used for all sorts of things on all sorts of cars and bikes. Just about any car parts shop will have them for around 2 new.

    

4Back to top Go down    Re: fuel injection relay substitute on Mon Mar 06, 2017 5:41 pm

Dai

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The fuel injection relay is a five-pin but it has a different pin layout to the over-the-counter five-pin relays in that the positions of pin 86 and pin 30 are reversed (thanks, BMW). In addition, it has a double pin 87 for the output; over-the-counter relays will mostly be the changeover type (pins 87 and 87b). You could put both leads on one pin 87; AFAICS the double output just makes building the wiring loom a bit easier.

Unless you have an automotive shop nearby to go and show them, stick with ordering an OEM relay.


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'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

5Back to top Go down    Re: fuel injection relay substitute on Thu Mar 09, 2017 2:53 am

K75cster

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DAI what would stop a bloke from reversing those two wires under the plug, so just any five pin unit would work??? a doable task perhaps??


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Keith - 1987 K75c with r100rt replica fairing and half of a 1984 K100rt 1992 K1100LT a blue one

The Clever are adept at extricating themselves from situations that the wise would have avoided from the outset - QUOTE from david Hillel in Out of the Earth.
    

6Back to top Go down    Re: fuel injection relay substitute on Thu Mar 09, 2017 4:58 am

BobT

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I must live in a very modern rural France as my local motor shop has 4 pin, 5 pin changeover, 5 pin double output on the shelves.

    

7Back to top Go down    Re: fuel injection relay substitute on Thu Mar 09, 2017 8:12 am

Dai

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K75: nothing at all. If you look at the socket there's a small cutout next to each terminal. Push a thin screwdriver down there and flatten the tang on the terminal - it may take a bit of jiggling. Once the terminals are out, lever the tang back up to an angle of approx 10-20 degrees and push them back into the 'other' hole.

BobT: the problem (as I see it) is that relays made to the early DIN standard as used by BMW are not generally available over the counter now. OTOH, if you're is willing to simply swap the terminals round in the socket then the problem is completely moot.


__________________________________________________
'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

8Back to top Go down    Re: fuel injection relay substitute on Sat Mar 11, 2017 5:28 pm

Inge K.

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Would like to add that later models which using micro relays can use standard versions straight from the shelve as they have "normal" pin config.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

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