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post #1 of 32 (permalink) Old 08-18-2013, 01:31 PM Thread Starter
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Lightbulb Oil Pressure Gauge? Pro/Con?

I know I saw at least one pic of an oil pressure gauge installed on a VN, but haven't found it again by searching.

Who has one? Can you post a pic and share any info? Any ideas on this one?

I'd also like to hear any valid reasons not to use one. I suppose one could be the oil line popping on the road and hosing you down in hot oil. Maybe mount it down lower instead of on the dash? A copper line would be a plus, and it could be sheathed with rubber vacuum line to contain spray if the line breaks.

Not sure how easy it's going to be to find a copper line these days. Most places just have the plastic line kits.

Should also be able to tee off of the existing idiot light and use both the light and a gauge. I would want to go direct reading vs. an electric oil gauge.

Think I'd like to be able to monitor oil pressure. My driveway slants slightly where I warm up sometimes, bike leaning extra to the left, and I've read that can cause some problems similar to the bike going down on the left side. Anyway, the oil light has flickered on a few times during startup/warmup and it's buggin' me. Sometimes it's a faint glow, others it's bright but blinking.

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post #2 of 32 (permalink) Old 08-18-2013, 09:21 PM
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Quote:
Originally Posted by Spockster View Post
I know I saw at least one pic of an oil pressure gauge installed on a VN, but haven't found it again by searching.

Who has one? Can you post a pic and share any info? Any ideas on this one?

I'd also like to hear any valid reasons not to use one. I suppose one could be the oil line popping on the road and hosing you down in hot oil. Maybe mount it down lower instead of on the dash? A copper line would be a plus, and it could be sheathed with rubber vacuum line to contain spray if the line breaks.

Not sure how easy it's going to be to find a copper line these days. Most places just have the plastic line kits.

Should also be able to tee off of the existing idiot light and use both the light and a gauge. I would want to go direct reading vs. an electric oil gauge.

Think I'd like to be able to monitor oil pressure. My driveway slants slightly where I warm up sometimes, bike leaning extra to the left, and I've read that can cause some problems similar to the bike going down on the left side. Anyway, the oil light has flickered on a few times during startup/warmup and it's buggin' me. Sometimes it's a faint glow, others it's bright but blinking.
I've seen a pic of a bike with an Oil Guage also...I remember it was dated 2008 -or 2009. It was on one's personsal web page.....I linked to it thru this forum. Maybe a search could turn it up.
hope this helps


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post #3 of 32 (permalink) Old 08-18-2013, 10:36 PM
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When you are driving it is a bad idea to try to study a small oil gauge. The low oil pressure sensor is on these bikes for a good reason.

I think more junk just makes more possibility for issues.

Now I will say that I added a oil pressure gauge to my backhoe. It normally sits around 60 - 70PSI, if I crack it WOT for a bit it will get 100 PSI then flop back down.

I am not doing 70mph in the backhoe, and I think it is good to monitor oil pressure on an old diesel engine.

my 2 cents

kenny

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post #4 of 32 (permalink) Old 08-18-2013, 11:28 PM
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I have given serious consideration to putting one on my bike and getting,one of the digital led electrical system monitor.here is a link to Gadgets Page with tips on installing one on a Nomad ,I think,same basic principle and it should help you a little.
http://www.gadgetjq.com/gauges.htm




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post #5 of 32 (permalink) Old 08-19-2013, 12:26 AM Thread Starter
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WT, do you remember what the main subject of the tread was about? I searched earlier and didn't find much, mainly just some replies where people were thinking about doing it or someone using one temporarily to verify pressure.

Merc, I don't think I'll be staring at the gauge, any more than I would stare at the tach or speedometer on the bike or any of the gauges on my pickup. Some of the big trucks I've driven have had 30+ gauges all over the dash and it's advised to check them as you're traveling.

The link Denny posted states that you can get low pressure on a gauge long before the idiot light comes on. I'd like a little more notice than that, and just like the voltmeter, I would head for the barn instead of turning to head farther out into the hills if either of those gauges is reading too low.

Thanks for the link Denny, I read that page and will keep the link so I can check out the site. They did mention that Kawi used NPT threads, at least on that particular bike, so that's a plus.

The hookup should be easy, finding the right gauge, right spot, and getting it mounted will be the trick. Next stop, some googling, has to be some ideas somewhere, this can't be an original idea. lol

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post #6 of 32 (permalink) Old 08-19-2013, 12:47 AM
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If you were going to swap a gauge for the idiot light, I would agree that the connection would be easy. If you're going to retain both, there will likely be clearance issues with the front of the case, radiator and oil filter. You could hook one up on a different oil line connection point, just get another fitting similar to the idiot light fitting and install it in place of the bolt. Again, clearance might be fun because of where the lines connect to the heads (near the carbs...).

Connecting one would be easy enough, but if you're going to plumb it with copper line, you'll have to be creative with where you choose to mount it.

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post #7 of 32 (permalink) Old 08-19-2013, 01:54 AM Thread Starter
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Wouldn't have to use copper, since I was planning to sheath it all in rubber anyway. Plastic may be preferable with the vibrations and wind, would have to look at routing and decide, but I know the copper doesn't like moving a lot.

I'd have to look again to be sure, but I think the factory sender protrudes below the radiator, if not, an elbow could possibly be used to turn it out to the side.

Getting it mounted without having the ugly back exposed is a major item to figure out. Now if I had a fairing like yours....

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Shaved w/UniPK92+Stock Jets-TPE/MOSFET-Shinko Tires-AGM batt-bags-chrome-LEDs...more
__________________________________________________ ____________
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post #8 of 32 (permalink) Old 08-19-2013, 02:07 AM
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I looked at mine. It doesn't protrude past the radiator. You might be able to get an elbow on it, but the only way to point it is down. The only way I can see using a tee on it would be to put a short nipple on it to get past the radiator, then you'd have room to work with it. If you're going to sleeve it you could zip tie it to the frame, run it up to the neck and out to the trees. As far as the back goes, there are different options, just gotta get creative.

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Mods
Voltmeter/clock/temperature gauge
HD Electra Glide Fairing
Earshave/Coastered/CA emissions - gone...
R/R relocated
Nightster seat
Tombstone taillight
Drag specialties turn signals relocated
Sportster progressive shocks... Dropped rear 1 1/2"
Progressive Fork Springs dropped front 1"
NGK plug wires and iridium plugs
Coil Relay Mod
Paint
ACCT to MCCT
Honda Rebel luggage rack
VN800 Handlebars & controls
Screamin Eagle mufflers
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post #9 of 32 (permalink) Old 08-19-2013, 02:21 AM
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Hey Spockster, DO NOT USE COPPER LINE FOR ANY AUTOMOTIVE OR MOTORCYCLE PURPOSES.
Vibration will WORK HARDEN copper, make it brittle, and eventually cause it to crack.

Check with a mechanic, but I think you need steel tubing and/or a flex hydraulic or brake line.
Look at the way the steel brake line is coiled coming off the master brake cylinder on a car before it connects with the 4 way manifold splitter.
The main purpose of those coils are to absorb vibration too, and avoid eventual work hardening of the steel.
(Secondary reason I believe is to make alignment and screwing together of fittings easier.)

Gordon

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Last edited by OlHossCanada; 08-19-2013 at 02:31 AM.
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post #10 of 32 (permalink) Old 08-19-2013, 10:30 AM
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how often do people run low pressure on these bikes?

If you plan on making the gauge visible on the dash you are a. going to need to run pressurized oil line up there.

b. run an electronic model which requires wires to the dash.


the oil gauge is not a bad idea but I look at things as in 'is it worth it?'

only you can answer that question. To me, it aint worth it.

54K miles on my bike, I blew an exhaust valve before I ever had an oil pressure problem.

kenny

Merc
2000 Vulcan Drifter 800
Roadhouse classic 2 > 1 exhaust
Okie Smokie intake config
Changed jets
52K miles or so, always going up
Corbin Seat
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