Author Topic: Oil pressure switch  (Read 4454 times)

Offline El__burro

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Oil pressure switch
« on: July 19, 2015, 01:27:36 AM »
Good morning,
I guess I need to replace the oil pressure switch on my cb750 k2.
Unless anyone tells me a very good way to test it before condemning it.

What do you think about this one.
Is it a good replacement?

Thanks
El__Burro

Offline steff750

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Re: Oil pressure switch
« Reply #1 on: July 19, 2015, 08:27:14 AM »
i would go for a genuine honda switch, but its your call  ;)

Offline mgy66

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Re: Oil pressure switch
« Reply #2 on: July 19, 2015, 10:52:14 PM »
Hi, following up on my 'pressure gauge tripping after 15min', i am also considering gauge replacement.

One question, do you need to empty the oil from the engine before dismantling the gauge?

Thanks

Offline Bryanj

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Re: Oil pressure switch
« Reply #3 on: July 20, 2015, 07:49:53 AM »
Have you got a proper pressure gauge fitted or are you talking about the oil light switch, please tell me as i am confused

Offline steff750

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Re: Oil pressure switch
« Reply #4 on: July 20, 2015, 03:48:34 PM »
Quote
One question, do you need to empty the oil from the engine before dismantling the gauge?
no you do not need too drop the oil for either the switch or the pressure gauge .
 ;)  jezz this is like pulling teeth lol
get on wiv it

Offline mgy66

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Re: Oil pressure switch
« Reply #5 on: July 20, 2015, 11:48:11 PM »
Sorry for the confusion, meant switch not gauge... right now running as up to 93c instead of 80c spec, so definitely hot but dont know what is the pressure. Plan is to follow Steff rec to change the switch. If still red light, than i suspect the pressure gauge can help but i would first need to change oil spec for more visco like 15w40. Ishouldnt run on red light with a new switch.
Thanks

Offline mihai.i

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Re: Oil pressure switch
« Reply #6 on: July 21, 2015, 04:18:40 PM »
I change my damaged oil presure switch with one from a Honda CBR929..it is the same thing..also i think it will work a cbr954 oil switch!
Honda Cb550k 1978

Offline mgy66

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Re: Oil pressure switch
« Reply #7 on: July 21, 2015, 09:42:47 PM »
Mihai, when you say damaged did you get the light coming up after oil heating up or was is some other symptoms. I have checked ebay and found genuine honda switch but it says superseeding the #300.... original

The actual ref starting with 300 are actually rather expensive:(

Which model did you choose?

Thanks

Offline mihai.i

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Re: Oil pressure switch
« Reply #8 on: July 22, 2015, 07:35:41 AM »
Mihai, when you say damaged did you get the light coming up after oil heating up or was is some other symptoms. I have checked ebay and found genuine honda switch but it says superseeding the #300.... original

The actual ref starting with 300 are actually rather expensive:(

Which model did you choose?

Thanks

My oil switch was loosing oil...a lot!!!
I found some oil near my bike and when i took of the sprocket cover it drained about 2-300ml of oil!!!

The porblem was that the sealing from the top was damaged and all the oil was comming out from there.

I don`t know the model but in the service there was a Honda CBR929 with the engine off and we tried the oil switch from the CBR and it was perfect!!!
I still got the CBR oil switch on my CB550k.

It s like this one:
http://www.ebay.com/itm/HONDA-CBR-929RR-929-RR-OEM-OIL-PRESSURE-SWITCH-/171408393480

« Last Edit: July 22, 2015, 07:39:37 AM by mihai.i »
Honda Cb550k 1978

Offline steff750

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Re: Oil pressure switch
« Reply #9 on: July 22, 2015, 05:43:26 PM »
i did say use a genuine honda oil switch (meaning exactly that a cb750 oil switch)
the thread on that switch dont even look right  :o
if you aint gonna listen we cant help you anymore  ::)

Offline Green1

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Re: Oil pressure switch
« Reply #10 on: July 23, 2015, 12:36:31 AM »
Ooh Steff getting bitchy  ;D ;D
Mihai.i Listen to the old farts they know there stuff.  ;) Don't buy pattern crap

Mick
Current bikes
Honda CB750k1 Valley Green Metallic
Honda CB750k1 Candy Gold
Honda CB550k Candy Jade Green
Honda CG125
Aprilia Pegaso 650
Moto guzzi 1200 sport
Kawasaki EX650R (Mine until dave pays for it)
Kawasaki ZXR400 J

Offline mihai.i

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Re: Oil pressure switch
« Reply #11 on: July 23, 2015, 07:03:15 AM »
Ooh Steff getting bitchy  ;D ;D
Mihai.i Listen to the old farts they know there stuff.  ;) Don't buy pattern crap

Mick

I didn`t buy it...i just took it from the CBR929 :P

I have it for a year on my bike and it working just fine....but yes...i should get the OEM one!
Honda Cb550k 1978

Offline mgy66

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Re: Oil pressure switch
« Reply #12 on: July 24, 2015, 12:02:52 AM »
So i ended up buying an aftermarket switch (booh) but from DSS (yeah). The guy said he is selling loads of these at 21gbp instead of 34 gbp.

The thing is that i also have a neutral switch jammed (not the bulb) and to be fair the engine do overheat so not sure if the new switch will suffice.

Will let you know once i have figured out what tool can get access to this damned constrained switch.

Cheers

 

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