facebook1 youtube1 twitter1 instagram linkedin1 pinterest1

NOTICE:  If you are not a free registered member of the site, you will not see the photos in the forum, and you won't be able to access our premium member content. Please consider joining our community! REGISTER AND MAKE THIS BOX DISAPPEAR!

×

Picture Attachments Fixed? (18 Feb 2023)

Hopefully, the pictures uploads are fixed for the time being. Let me know if you continue to have issues. I am looking into a more permanent solution. Thanks for your patience. - Makotosun

AUTOLUBE DETAILS

  • automan
  • automan's Avatar Topic Author
  • Offline
  • Premium Member
  • Premium Member
  • Posts: 56
  • Likes received: 14

AUTOLUBE DETAILS was created by automan

Hi All!

Do any one of you mugs know what the oil pump outlet check valve pressure is???

cliff
25 Jan 2023 09:04 #1

Please Log in or Create an account to join the conversation.

  • Posts: 1050
  • Likes received: 369

Replied by asco on topic AUTOLUBE DETAILS

MUG-LIGHT

a
YAMA-LAND RESTORATION,
( 818 ) 521-2109 This email address is being protected from spambots. You need JavaScript enabled to view it. 1971 CT1-C ( BRANDY ) 1970 DT1-C
( MONICA ) 1972 AT2M ( ZIFFLE) 1970 CT1-B ( HULK ) 1971 DT1E
( GINA ) 1970 CT1-B ( CLIDE ) 1968 DT1 ( WILSON )
The following user(s) Liked this Post: Ht1kid
25 Jan 2023 14:42 #2

Please Log in or Create an account to join the conversation.

  • Posts: 1064
  • Likes received: 509

Replied by msavitt on topic AUTOLUBE DETAILS

Pump is positive displacement gizmo with output that varies based on speed and throttle position.  Flow typically specified in terms of a few (e.g. 5) cc's at 200 strokes with throttle wide open, so not enough flow or restriction to generate any measurable pressure, which is probably why every spec that I have seen lists cc's of output and not pressure 

This image is hidden for guests.
Please log in or register to see it.

The following user(s) Liked this Post: Pedalcrazy
25 Jan 2023 16:57 #3

Please Log in or Create an account to join the conversation.

  • Posts: 1089
  • Likes received: 635

Replied by Swoop56 on topic AUTOLUBE DETAILS

Kawasaki and Suzuki install their check valves at the end of the oil line , so the blow off pressure can be checked .
Yamaha have their check valve at the pump outlet , so it can't be tested the same way .
25 Jan 2023 20:14 #4

Please Log in or Create an account to join the conversation.

  • automan
  • automan's Avatar Topic Author
  • Offline
  • Premium Member
  • Premium Member
  • Posts: 56
  • Likes received: 14

Replied by automan on topic AUTOLUBE DETAILS

Thanx guys. I am testing one right now and get about 1 psi. I think this is fine to prevent hydraulic lock-up.
Still have to test G force influence on the ball/spring operation.

If it seals and stays sealing, all good I would think at this point.

BTW the pump is not positive displacement at low flows and RPM's due to leakage.

Frosty
Last edit: 28 Jan 2023 02:47 by automan. Reason: PIX
26 Jan 2023 04:10 #5

Please Log in or Create an account to join the conversation.

Moderators: yamadmin, Enduronut, Makotosun, DEET, Vinnie, Devin, James Hart