Thread Tools Search this Thread Display Modes
Old 07-04-2014, 02:41 PM   #1
Aquabelle's Avatar
City: sydney
Country: australia
Vessel Name: Aquabelle
Vessel Model: Ocean Alexander Flushdeck
Join Date: Jun 2012
Posts: 903
Sticking Fuel Solenoid

My Yanmar 20hp genset engine has a sticking fuel solenoid.It is a 12v, two-terminal pull-in type, (1520-12D6U1B2S1).When trying to start, the engine cranks but doesn't start as the solenoid's plunger doesn't retract...until I give it a sharp tap with a spanner.Then the bellows-type rubber-booted plunger retracts and all is well.

So....a few questions.Is there anything I can do as a non-mechanic but happy DIY-er to eliminate this sticking behaviour?Could a competent auto electrician service the fuel solenoid or must a new one be purchased?Are there generic versions of these solenoids or must I find & purchase a Kohler/Yanmar original model?

thanks or any comment or advice

Aquabelle is offline   Reply With Quote
Old 07-04-2014, 04:06 PM   #2
richterpooh's Avatar
City: Ortona on the Okeechobee
Country: FL/US
Vessel Name: Winnie the Pooh
Vessel Model: Morgan designed 46' Trawler
Join Date: Feb 2014
Posts: 16
Sometimes the solenoid plunger gets a bit rusty and sticky. Try cleaning up the plunger with a small wire brush or Scotch Brite pad. Lubricate with a bit of engine oil, wipe half dry with a bit of cloth and put back together.
Make sure the electrical contacts are clean and bright. If that doesn't do the trick, it's time for a new solenoid.

Mark Richter

richterpooh is offline   Reply With Quote
Old 07-04-2014, 04:24 PM   #3
hmason's Avatar
City: Stuart FL
Country: USA
Vessel Name: Magic
Vessel Model: Grand Banks 46 Europa
Join Date: Aug 2013
Posts: 2,246
I have solved a similar problem with a squirt of WD 40. At other times I have replaced the solenoid; they are not very expensive and a simple job to perform. Good luck. Howard
Magic, 1996 Grand Banks Europa
Westport, CT and Stuart, FL
hmason is offline   Reply With Quote

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

All times are GMT -5. The time now is 08:42 PM.

Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2006 - 2012