919 ... water ehh in the gas - Wrist Twisters
 
Thread Tools Display Modes
post #1 of 13 Old 04-18-2015, 07:47 AM Thread Starter
Ian
 
HeliMech's Avatar
 
Join Date: Jul 2009
Location: Nova Scotia, Canada
Posts: 3,313
Rep Power: 1
 
919 ... water ehh in the gas

Well I have been having some random cold start issues with my 919 for awhile now ..... mainly after sitting for awhile in the garage.

After dragging the bike out of storage I gave her a bath and then tried to start her on a fresh battery with no luck. I decided to pull the plugs the next night back in the garage and when I loosened/tilted the tank up water poured out of one of the drain tubes under the bike!

Apparently the main drain tube had been pinched during install sometime blocking off the hose off, allowing water to back up into the tank. This could have been going on for sometime since I hadn't had the tank up since last spring.

I pumped the tank dry using the pump then removed the tank to clean out any residual fuel/water and clean the pump and lines. This is what I found after pulling the pump assembly out of the bottom of the tank!!!



This was after pumping out 15L of fuel .... and since water settles to the bottom I figured I would have got most the water VIA the pump purge .... but that is a BIG fat fucking slug of water!

HeliMech is offline  
Sponsored Links
Advertisement
 
post #2 of 13 Old 04-18-2015, 07:57 AM
(Quintus) Pilus Prior
 
beefsalad's Avatar
 
Join Date: Dec 2007
Location: San Antonio, TX
Posts: 2,777
Blog Entries: 51
Rep Power: 1
 

Awards Showcase
Donation 
Total Awards: 1

Ewww!

if you love your motorcycle, set it free.. if it comes back and hits you.. you highsided
beefsalad is offline  
post #3 of 13 Old 04-18-2015, 08:06 AM Thread Starter
Ian
 
HeliMech's Avatar
 
Join Date: Jul 2009
Location: Nova Scotia, Canada
Posts: 3,313
Rep Power: 1
 
Next I ....

- ordered some new plugs off ebay (local prices are ridiculous on them for some reason)
- pulled the plugs and cleared the cylinders
- removed the FPR (new last spring) and checked it over and flushed the fuel rail with EFI cleaner and compressed air.
- disassembled the in tank fuel pump and filter. Flushed it all with EFI cleaner and compressed air.
- rinsed the tank with fresh fuel and let it air dry overnight.
- then reassembled everything with a fresh 20L of fuel laced with injector cleaner and stabil.

Following this the bike fired to life and ran great. I shut it down and let it sit overnight to allow any residual crap to settle out.

Then the next morning I pulled the fuel return line from the FPR and blocked it off with a bolt to stop fuel from pouring out of the tank. Then attached another length of line and purged the fuel pump/rail etc by cycling the pump tank again and kept the sample in a glass container. After the sample settled there was still some crud/water in fuel .... so I let it settle and repeated the process for two days every morning. The third sample finally came out clean which was a relief!

The bike now fires up and runs great again .... even on the super cold mornings .... and I made sure this time the vent line is routed so it can't be pinched.

Once the new plugs arrive she should be good to go. I am toying with the idea of pulling the injectors and cleaning them next while I wait on the new plugs to arrive.

Ian

HeliMech is offline  
 
post #4 of 13 Old 04-18-2015, 08:08 AM Thread Starter
Ian
 
HeliMech's Avatar
 
Join Date: Jul 2009
Location: Nova Scotia, Canada
Posts: 3,313
Rep Power: 1
 
Can a MOD please fix my spelling mistake in the title. Thx.

HeliMech is offline  
post #5 of 13 Old 04-18-2015, 08:36 AM
TEXAN
 
MF1VE's Avatar
 
Join Date: Jan 2012
Location: Midland, TX
Posts: 1,524
Rep Power: 1
 
Quote:
Originally Posted by HeliMech View Post
Can a MOD please fix my spelling mistake in the title. Thx.
Actually "warter" is how some people say it.

MF1VE is offline  
post #6 of 13 Old 04-18-2015, 09:44 AM
GLG-20
 
Superdog's Avatar
 
Join Date: Aug 2009
Location: Huntsville, AL
Posts: 1,367
Rep Power: 1
 
Garage
Ha ha! That wasn't the original spelling. I think someone's having fun, eh?

'96 DR650, '01 SV650, '10 Aprilia Tuono 1000R
Superdog is offline  
post #7 of 13 Old 04-18-2015, 11:28 AM Thread Starter
Ian
 
HeliMech's Avatar
 
Join Date: Jul 2009
Location: Nova Scotia, Canada
Posts: 3,313
Rep Power: 1
 
Thanks fuckers!!! Haha

HeliMech is offline  
post #8 of 13 Old 04-18-2015, 12:42 PM Thread Starter
Ian
 
HeliMech's Avatar
 
Join Date: Jul 2009
Location: Nova Scotia, Canada
Posts: 3,313
Rep Power: 1
 
Title keeps getting better and better!

Has anyone here ever bench cleaned fuel injectors? I have been watching a few videos on youtube and have enough junk around the shop to build a rig I think.

HeliMech is offline  
post #9 of 13 Old 04-18-2015, 01:30 PM
Why's everything on fire?
 
CB700S's Avatar
 
Join Date: Mar 2011
Location: Dallas
Posts: 2,361
Rep Power: 1
 
Garage
I've done it. To do it properly, you need an ultrasonic cleaner bath.

1986 Honda Nighthawk 700S
2002 Honda 919
CB700S is offline  
post #10 of 13 Old 04-18-2015, 02:33 PM Thread Starter
Ian
 
HeliMech's Avatar
 
Join Date: Jul 2009
Location: Nova Scotia, Canada
Posts: 3,313
Rep Power: 1
 
Quote:
Originally Posted by CB700S View Post
I've done it. To do it properly, you need an ultrasonic cleaner bath.
Do u just submege the whole injector in the USC .... we have one at work but i was worried about the electrical bits.

I was thinking about using a second set of TB's i have.

- Blanking off the FPR
- filling with injector/efi cleaner or seafoam
- pressuring rail with air to simulate the fuel pump ... have to research stock fuel rail pressure ... 20psi?
- then trigger pulsing each injextor with a 12v sorce and momentary switch.

Kind of simulaing opertaion conditions of the injector with dirrect cleaner expsore. Kind of redneck but would be fun to build and set up.

HeliMech is offline  
post #11 of 13 Old 04-19-2015, 07:54 AM
(Quintus) Pilus Prior
 
beefsalad's Avatar
 
Join Date: Dec 2007
Location: San Antonio, TX
Posts: 2,777
Blog Entries: 51
Rep Power: 1
 

Awards Showcase
Donation 
Total Awards: 1

Quote:
Originally Posted by HeliMech View Post
Title keeps getting better and better!

Has anyone here ever bench cleaned fuel injectors? I have been watching a few videos on youtube and have enough junk around the shop to build a rig I think.
I haven't had the need, if I ever do Injection Specialists are just up the road. I do not know their rates, but they know a hell of a lot more about injectors than myself.

if you love your motorcycle, set it free.. if it comes back and hits you.. you highsided
beefsalad is offline  
post #12 of 13 Old 05-03-2015, 04:05 PM Thread Starter
Ian
 
HeliMech's Avatar
 
Join Date: Jul 2009
Location: Nova Scotia, Canada
Posts: 3,313
Rep Power: 1
 
Well the 919 is all fixed up and running better then ever. Fresh set of NGK iridium's and some fresh fuel/seafoam and she is running like a top.

I have been distracted by the XR650 lately .... having too much fun bombing trails and exploring. Today the weather was nice and I pulled the 919 out for its first true ride of the season. Man I love this machine!!!

HeliMech is offline  
post #13 of 13 Old 05-03-2015, 05:15 PM
I'm going riding.
 
scrat's Avatar
 
Join Date: Jul 2008
Location: West Fargo, ND
Posts: 1,274
Rep Power: 1
 

Awards Showcase
Veteran 
Total Awards: 1

Quote:
Originally Posted by HeliMech View Post
Well the 919 is all fixed up and running better then ever. Fresh set of NGK iridium's and some fresh fuel/seafoam and she is running like a top. I have been distracted by the XR650 lately .... having too much fun bombing trails and exploring. Today the weather was nice and I pulled the 919 out for its first true ride of the season. Man I love this machine!!!
Atta kid!

30,000 mile 919 survivor. No plans of stopping the abuse any time soon.
scrat is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Wrist Twisters forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may 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

 
For the best viewing experience please update your browser to Google Chrome