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Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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96fzr600
Novice
Apr 24, 2011, 10:32 AM
Post #1 of 13
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Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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1996 Yamaha FZR 600.Battery new but Voltage after charge was 13.4.After running for while 12.8.Before charge 12.4.Fuel system very clean.I even replaced the fuel tap which was clogged and the fuel filter which was decent.The electric fuel pump seems to work fine(sounds good).Cleaned all the vent lines and carbs.The cooling system works well.I live in Las vegas and it never gets beyond half way on the gauge.No history on the bike but I am sure it sat for a while.Probably after being dropped on the left side.
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zmame
Veteran
/ Moderator
Apr 24, 2011, 11:09 AM
Post #2 of 13
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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Next time it does it try opening the tank and see if there is a whooshing sound, air being pulled in. I think on those bike they have a charcoal canister that they use to vent the tank. Also of times people will fill the bike right to the top and the charcoal canister becomes saturated with gas and unable to vent. Unfortunately if that is the case you will have to replace the canister.
some bikes in that era have a vacuum petcock if it does make sure the vacuum line is not blocked, kinked, broken or wedged between bodywork.
if it's manual petcock see if it will work in reserve when acting up. If it works in reserve you have have crap clogging the petcock valve.
12.6 is normal non-charging condition
the 13.4v was just a surface charge as a result of charging the battery.
(This post was edited by zmame on Apr 24, 2011, 11:10 AM)
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96fzr600
Novice
Apr 24, 2011, 12:15 PM
Post #3 of 13
(4056 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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Hey,I did remove the gas cap and it made a whooshing sound.I did spray some carb cleaner in that cannister and blew it out yesterday.Like I said I did replace the Fuel cock(not a vented one).Is there a way to bypass the charcoal filter to see if the sympton persists? I am sure it will take a week to order the new one.
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zmame
Veteran
/ Moderator
Apr 24, 2011, 2:30 PM
Post #4 of 13
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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there should be a vent line hooking to the tank you can take it off and plug the line with something. When you replace the canister try to only fill it 3/4 the way.
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96fzr600
Novice
Apr 27, 2011, 5:36 AM
Post #5 of 13
(4030 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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Hey ZMAME,It works thanks!I disconnected the vent line from the tank and the one to the charcoal cannister.My next thing are the valve adjustments.I do not have any tapered feeler gauges.I will try to taper my regular ones(cut,file,sand)or buy some .If I have to adjust the valves,my parts store said that they will trade shims if in good shape for free.I also thru the years have used black high temp silicone to make gaskets.It worked every time just do not over do it and let it dry over night.
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zmame
Veteran
/ Moderator
Apr 27, 2011, 3:34 PM
Post #6 of 13
(4022 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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your welcome. There is few guides one the internet on how to adjust the valves on those engines fairly big job takes about 6hrs.
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96fzr600
Novice
May 4, 2011, 5:44 AM
Post #7 of 13
(4001 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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Well Zmane the darn thing died again.This time it took 2 1/2 days of resting it to get it started.I have to try a new fuel pump.Perhaps the other pump is on its last leg?I did find a vaccuum/fuelpump tester that I will hook it up to.
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zmame
Veteran
/ Moderator
May 4, 2011, 4:18 PM
Post #8 of 13
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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It's quite possible that may be a the problem too.. but if you where getting suction when removing the cap like you stated, that issue also has to be fixed. It may have overheated the pump when it couldn't pull anymore fluid through too. Pump is cooled by the fuel flowing through it.
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96fzr600
Novice
May 8, 2011, 7:52 AM
Post #9 of 13
(3977 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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OMG,I just priced a fuel pump .They want $700 for a OEM and $500 for a mitsubishi.I am shocked to say the least.I even priced the charcoal cannister........are you ready? Over $1,000.I did find a fuel pump off the shelf at Autozone for $40 and if and when I cut,grind the bracket down it will be the same diameter 2'' as the original.It even came with a fuel filter.I will address the Ca.Emission lines again.My son wants out(I can not blame him) but I am determined to get this baby running dependably.Anyway ZMAME I appreciate the help.Luckily I am in no hurry.I will miss out on this 80 degree riding weather and be in the 100 plus soon.
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zmame
Veteran
/ Moderator
May 8, 2011, 9:51 AM
Post #10 of 13
(3970 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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Wow that is expensive.. maybe you can find some used parts on ebay or somthing??.. there has to be something on the internet I would do some serious googling lol.
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96fzr600
Novice
May 19, 2011, 5:49 AM
Post #11 of 13
(3941 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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I finally found the time to install the $40 fuel pump.I have a 14'' chop saw that made easy work removing the unwanted plastic mount.I removed the tank mounted fuel filter and clamp and ran a fuel line from the fuel tap to the new pump's screw in filter.The new fuel pump fit into the clamp really well.I even used the same fuel line to the carbs!Tested great,now to see on long/all day test.Wish me luck.
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zmame
Veteran
/ Moderator
May 19, 2011, 7:44 AM
Post #12 of 13
(3936 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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well hopefully you don't end up in the middle of no where. good luck.
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96fzr600
Novice
May 25, 2011, 5:46 AM
Post #13 of 13
(3894 views)
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Re: Bike runs like a champ for a while(1 hr.) then dies.It will run again after sitting for 8 hrs or more.
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 The fuel pump was the problem.Put around 500miles on it with no problems.The dang chain needs adjusting often.I will have to remove a link soon to be able to adjust in future.Is there a reason why it grows?I installed a new chain and sprockets this year.
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