Road Star Forum
Welcome, Guest
Please Login or Register.    Lost Password?
Re:Still puked on me once after fix....
Go to bottom Post Reply Favoured: 0
TOPIC: Re:Still puked on me once after fix....
#363116
RussB (User)
Fresh Boarder
Posts: 89
graphgraph
User Offline Click here to see the profile of this user
Still puked on me once after fix.... 2 Years, 2 Months ago  
Last week I did Scottw's approach to fixing the carb puking dilemma. I was able to take it for a ride today and check it all out. It did great except for one time it puked on me.
It was 80 degrees, 87 octane gas, no gas treatment at all in it. I pulled a long hill and shut it off right as I got to the top, and within a few minutes it puked. It sat for about 15 minutes, and started right back up but only ran for about 30 seconds and quit. I went to re-start it ( took about 15 seconds of cranking ) and it just dumped gas out the vent hose the whole time it was cranking until it finally fired up.

Every other time I shut it off today, it did great. I went through one small town where it got hot but had no problem when I shut it off there.

I don't really feel bad about the puking because last fall it would puke about every time I shut it off if it was warm outside. I usually run ethanol treatment in it, and will start doing that again. I just wanted to see what would happen with just this crap gas we are forced into buying these days.

RussB
 
Logged Logged  
 
Last Edit: 2011/04/10 18:51 By RussB.
  The administrator has disabled public write access.
#363134
scottw (User)
Platinum Boarder
Posts: 1851
graphgraph
User Offline Click here to see the profile of this user
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
RussB wrote:
Last week I did Scottw's approach to fixing the carb puking dilemma. I was able to take it for a ride today and check it all out. It did great except for one time it puked on me.
It was 80 degrees, 87 octane gas, no gas treatment at all in it. I pulled a long hill and shut it off right as I got to the top, and within a few minutes it puked. It sat for about 15 minutes, and started right back up but only ran for about 30 seconds and quit. I went to re-start it ( took about 15 seconds of cranking ) and it just dumped gas out the vent hose the whole time it was cranking until it finally fired up.

Every other time I shut it off today, it did great. I went through one small town where it got hot but had no problem when I shut it off there.

I don't really feel bad about the puking because last fall it would puke about every time I shut it off if it was warm outside. I usually run ethanol treatment in it, and will start doing that again. I just wanted to see what would happen with just this crap gas we are forced into buying these days.

RussB

================================

I think you have more going on then the std fuel system overheating carb puke,seems though you have issue with needle & not not properly seat and or float lvl isses you need to chk out.

Since bike started and ran ok post dumping fuel then float seems to have4 stuck or needle & seat didnt seal/seat right allowing card to flood over and kill the motor.

If it were my bike to cover all bases and ensure it doesnt happaen again id install a new needle & seat and also ensure flaot lvl is set properly along with cleaning carb to ensure there is not dirt in it and replace fuel filter while your at it too if it hasnt been done recently.

Normally whn its a clear carb puke issue cvause by fuelo system overheatying only once carb pukes fuel & you get bike started that allows enough fresh fuel in to lower temp enough to stop carb puking and carb wont flood over again killing motor after you refire it like happened to you.

Thats why i always said this insualting carb/fuel system fix for carb puke only works if there aren't ant other issues with the carb like wrong float lvl,bad float taking on fuel at times,bad-worn needle & seat,dirt in carb and or needle & seat causing carb to flood over,etc which is whats likely going on here since you insu;ated the fuel syste.

BTW,did you insulate the entire fuel system like i suggest inc float bowl/dlb layer on metal fuel line inbetween cyls,metal case of fuel pump,etc with the same insualting material i suggest?

Because if you skip flaot bowl or metal fuel line inbetween the cyls or use inferior insulating material you wont get same results i did on the 3 R*'s i already fixed carb puke on.

Scott
 
Logged Logged  
 
Last Edit: 2011/04/10 19:35 By scottw.
  The administrator has disabled public write access.
#363485
RussB (User)
Fresh Boarder
Posts: 89
graphgraph
User Offline Click here to see the profile of this user
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
I am thinking float level, or bad needle and seat also.. I did exactly as you described using the same product.. 3 layers on everything including the float bowl, had a little bit left so I put that on the bottom of the gas tank.
Suppose to make a 500 mile round trip this coming weekend, gonna pour the ethanol treatment and sea foam to it and see what happens.

RussB
 
Logged Logged  
  The administrator has disabled public write access.
#363581
thebru (User)
Gold Boarder
Posts: 975
graphgraph
User Offline Click here to see the profile of this user
Gender: Male Location: Colorado
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
Get rid of the pump...................
 
Logged Logged  
 


  The administrator has disabled public write access.
#363613
BC1955 (User)
Senior Boarder
Posts: 237
graphgraph
User Offline Click here to see the profile of this user
Gender: Male Location: Sylacauga, Al Birthdate: 1955-10-10
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
Hey RussB, I did the same. I too followed Scott's directions (probably not to the letter) and she continued to puke on me. I'm not samying he is wrong, just it did not work for me. I said to heck with it and removed my fuel pump. So far so good.

ScottW, please don't take offense. By no means am I saying you are wrong. I'm sure you have forgotten more about these bikes than I will ever know. It just did not work on my bike. You have brought up some good points on several issues. I am really concerned now about the oil I just put in on the last oil change, Rotella T6. It's the first oil change I have done since I got the bike and it is the oil of choice I use in my Venture. I may be draining it out and putting Amsoil in soon.
 
Logged Logged  
 
American by birth...
Southerner by the Grace of God.
  The administrator has disabled public write access.
#363626
scottw (User)
Platinum Boarder
Posts: 1851
graphgraph
User Offline Click here to see the profile of this user
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
BC1955 wrote:
Hey RussB, I did the same. I too followed Scott's directions (probably not to the letter) and she continued to puke on me. I'm not samying he is wrong, just it did not work for me. I said to heck with it and removed my fuel pump. So far so good.

ScottW, please don't take offense. By no means am I saying you are wrong. I'm sure you have forgotten more about these bikes than I will ever know. It just did not work on my bike. You have brought up some good points on several issues. I am really concerned now about the oil I just put in on the last oil change, Rotella T6. It's the first oil change I have done since I got the bike and it is the oil of choice I use in my Venture. I may be draining it out and putting Amsoil in soon.

=============================

The T6 has barely enough zddp at 1200ppm for minimal ft cam protection so it's not an emergency to get it out of your bike IMHO.

But i would not run it 4k-5k miles either.

On the carb puke,a lot of these bikes with fooding over carbs are 3/4/5/6/7/+ yrs old that have had mult people iun/out oif carbs for jetting due to perf pipis maybe setting or upsetting proper float lvl not to mention dirt in carbs or simpley worn out needle & seats that cant take at terims even the 2psi the ele f-pump has flooding over.

Thatt why i say the fix for true carb puck with no other carb related issues does work,i did 3 R*'s i a row that i know for a fact the carbs were not messed with and didnt haver a lot of miles with good maint like fuel filter etc and all 3 had no carb puke in my area when we had 100 deg temops post insulating fuel system when they pukes in 50-60 deg temps prior to that.

Thats why i tell people if there are other underlying carb issues the bike may not be experiencing true carb puke caused by overheating fuel system so i am not surprised it has not for worked for some people .

I had a couple 2-3 people come back so far to say it did work for them but didnt post it,the only post i have seen on it is this post for not working,sorry iot didnt work out for ya.

As for removing fuel pump,its rfeally more of opeing up the area inbetween the cyls for a lot more cooling of metal fuel that runs between the cyls and also allows more cooling for carb too when f-pump is removed collectively reducing temps enough to stop carb puke doing just that.a

On my bike i could litterally hear the winter blend fuel boiling in the flaot bowl just before puking without ever turning ign on so f pump wasnt involved in the carb puke at all.

Then post insualting system no more boiling of fuel thus no more carb puke.

Removing lrg stock airbox & fuel pump and you have great cooling.

Scott
 
Logged Logged  
 
Last Edit: 2011/04/12 12:38 By scottw.
  The administrator has disabled public write access.
#363717
NICKHEAD (User)
Senior Boarder
Posts: 263
graphgraph
User Offline Click here to see the profile of this user
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
I've been through my carb several times, sent it ot the shop a couple times... Still seems to puke every once in a while no matter what. I ended up running a hose from the nipple to the rear of the bike where it will dump under and at the back if and when it decides to puke. I have noticed that killing the fule before killing the bike helps. I'm still running the pump and what I have now works just fine.
 
Logged Logged  
 
Too Many Mods...Not Enough Money
  The administrator has disabled public write access.
#363729
scottw (User)
Platinum Boarder
Posts: 1851
graphgraph
User Offline Click here to see the profile of this user
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
NICKHEAD wrote:
I've been through my carb several times, sent it ot the shop a couple times... Still seems to puke every once in a while no matter what. I ended up running a hose from the nipple to the rear of the bike where it will dump under and at the back if and when it decides to puke. I have noticed that killing the fule before killing the bike helps. I'm still running the pump and what I have now works just fine.
==========

Yup,that works fine too,thats what i used to do untill i insulated the fuel system to stop the carb puke.

I got tired of having to always remeber to shut off fuel just prior to each shut down when hot and thats not to mention all the additonal wear on the petcock turing it on/off mult times every time you ride which will likely prematurely wear out the fuel petcock too.

Scott
 
Logged Logged  
  The administrator has disabled public write access.
#363802
Agpilot (User)
Gold Boarder
Posts: 966
graphgraph
User Offline Click here to see the profile of this user
Re:Still puked on me once after fix.... 2 Years, 2 Months ago  
Did both of my bikes, and insulated the carb and fuel lines. No puking since!!! And it is hot here in OK. we have had some 100F days already. Butch
 
Logged Logged  
  The administrator has disabled public write access.
Go to top Post Reply
Powered by FireBoardget the latest posts directly to your desktop
...................................................................... ...................................................................... ...................................................................... ...................................................................... ...................................................................... ...................................................................... ...................................................................... ...................................................................... ...................................................................... -->
New Forum Posts




The Road Star Clinic is a collaborative community of riders who archive and publish user contributed technical data about Yamaha Road Star motorcycles.

We also sponsor the creation and support of other community websites similar to our own. Inquiries about availability of a website for your community can be submitted to us via any "Contact Us" option on the Clinic.

Copyright 2003-2007 Road Star Clinic and its respective authors. Road Star Clinic is sponsored by the folks at MLSHomeQuest.com.