Oil Pressure Gauge Installation

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Written by Ron Brewer   
Thursday, 10 June 2004

Reprinted by Permission from Mr Tidy's Tech Tips

Parts Needed

Item

Pt#

Price

Oil pressure gauge (100lbs)

J&P 18-208

$32.99

10mm banjo fitting – 35 degrees

J&P 14-019

$8.99

9 inch braided brake hose

J&P 14-000

$13.99

8mm X 1.25 banjo bolt - 

Yamaha   90401-08176-00

$1.50

8mm crush washers (need 2) 

Yamaha  90201-08087-00

$0.74

Gauge adapter http://www.amstreetrod.com

American Street Rod  #968703
(916) 638-3275

$1.55

o-ring with 3/16 id and 5/16 od 

(Home Depot)

 
washer with 3/8 hole

(Home Depot)

 
Teflon tape

(Home Depot)

 
Piece of aluminum angle material that is about 1/8 thick and 1 ˝ by 1 inch or so for gauge bracket.    


 

The hardest part of this project is making the bracket.  I used a hacksaw, file and a pair of nibblers to make my bracket.  The size is sorta up to you, you can mount the gauge many different ways and in many different positions.  The easiest and most straight forwards method would be to use one of the screws which holds the rocker boxes in place.  I used a different method but it really doesn’t matter

Remove the exhaust system.  I use Bub’s Big Willys and only had to remove the upper pipe.



Image One:   this shows the banjo bolt, o ring, banjo fitting and crush washers.


Image Two:  Place crush washer on banjo bolt followed by o ring.
The o ring will center the Banjo fitting over the banjo bolt.

 



Image Three:  Place banjo fitting over banjo bolt and add last crush washer. 
Replace the oil gallery bolt in the block..


Image Four:  Here’s a terrible image of the bracket used.
 
 

 


Image Five.  Teflon tape the gauge and add the washer
 

 


Image Six:  Attach gauge to bracket , hold in place with Gauge Adapter.
CAUTION:  DO NOT OVERTIGHTEN.
GAUGE USES A HOLLOW BOLT AND IT WILL BREAK (been there, done that)


Image Seven:  Where to mount this silly thing.  I used the bolt indicated as A.


Image Eight:  Gauge mounted in place


Image Nine:  Mounted and plumbed and finished !!!

 


Questions should be asked in our forum (Use discuss link below). The forum is very active and you stand a good chance of getting your questions answered there. If you would like to leave feedback for the author, or have additional information you think will benefit others, please use the comment section at the bottom of this page.

Discuss this article on the forums. (17 posts)


DISCLAIMER: This information and procedure is provided as a courtesy and is for informational purposes only.  Neither the publishers nor the authors accept any responsibility for the accuracy, applicability, or suitability of this procedure.  You assume all risks associated with the use of this information.  NEITHER THE PUBLISHERs NOR THE AUTHORs SHALL IN ANY EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, PUNITIVE, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OF ANY NATURE ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE USE OR MISUSE OF THIS INFORMATION OR LACK OF INFORMATION.  Any type of modification or service work on your motorcycle should always be performed by a professional mechanic. If performed incorrectly, this procedure may endanger the safety of you and others on your motorcycle and possibly invalidate your manufacturer’s warranty.


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  Comments (10)
Nice project, but...
Written by uknowirock, on 12-26-2015 19:07
It would be glorious if the pics involved in the project were useable (or at least a link to be able to download some)
oil pressure gauge for rocker box?
Written by LuckyDon, on 10-12-2014 22:23
Could a gauge be connected right to the rocker box oil line on the left side of the engine?
oil preasure gauge connection fittings
Written by lascotto, on 03-22-2014 18:35
Be very careful when tightening the bolt that holds the banjo bolt. you can strip the threads out very easily if there isn't enough threads to catch. measure exposed threads compared to the olt you remove to replace with banjo bolt.
?????
Written by Torturro, on 05-15-2012 15:56
Useless. Without pics (ones that I could actually see) - useless.
recall
Written by mikey mac, on 04-19-2011 20:51
Just found out theres a recall on my 2002 roadstar silverado,4th gear can lock up,Have to get that fixed.NOT HAPPY,Mikey Mac
Written by joe q, on 02-01-2011 19:36
I cant see where oil pressure gauge line is hooked up to.My bike is 2009 and has no oil pressure light on my dash would like to hook up a gauge if knew where to tap the motor for oil pressure
Written by Gohot229, on 06-16-2010 07:03
Take the picture and 'save as' in (my picture), then you can enlarge or flip the pic.
I cant make out the pics
Written by Dragoon, on 05-23-2010 07:54
I am installing my gauge shortly. However, i can make out the pic with the A and B indicators for the sender
Oil pressure gauge installation
Written by Oldgoat, on 02-28-2010 11:12
How do I get Tidy's thumbnail pics to a reasonable size?
???????????
Written by bsydlo, on 09-16-2009 22:44
does any one have any other picture in regards to how this actually goes together cause i really waanna do this cause i souped my roadstar up and i would like to know wat my oil pressures at. a picute of were it actually connects would be awsome thanks

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