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Discussion Starter · #1 ·
Rats! I have a fuel leak. Just got the bike back on road after fork rebuild. {no leak at forks - ptl} Went for 130 mile ride Thursday. Always checking for leaks since I've only owned bike since August. 760 miles on it since then and NO leak of any kind ever, until now. Entered the 10x16 shed it calls home this evening to a strong gas order.

Dampness on wood under the right header. Not leaking now, but has leaked sometime between Thursday when parked and today. Appears to be coming from under the shiny round thingy - sorry - that has fuel lines going in to the filter. The lines are new as the carbs recently cleaned. Any thoughts?

Sirkitrider
 

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Yup agree with previous post so far....remove the cover from the pump..er..."shiny round thingy"...and maybe you will find a fuel line without a clamp or one not tight enough after replacement or wrong size refitted perhaps?..were they worn and leaking previously?.. ( to have had them replaced)....you may wish to start the bike up (with the "thingy" cover removed), but do it outside and put that ciggy out..!!
Cheers,
Peter.
 

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Discussion Starter · #4 ·
okay guys - shiny thingy is the fuel pump. for some reason I thought I had read that it was the "fuel acutator" and the fuel pump was in the tank??? anyway simple enough to remove and check out. no time to check out today AND too dang cold here without heat in the shed. no smoker and will check outside as the gas fumes give me a serious headahce - thanks Sirkitrider
 

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just sounds like maybe the fuel line clamps aren't tight enough
 

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Since the fuel lines are new I'd say they settled in and you need to check the clamps and tighten them.
 

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Discussion Starter · #8 ·
All helpful info. guys. Hopefully it is just a simple issue with claps/lines. The float issue would be more troubling to be sure. Read a thread here about 1500 that suggested the petcock could be leaking. No time to check it out throughly until the sweet grandbabies go back home after the holidays.

Thanks and Merry Christmas to all - Sirkitrider
 

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The petcock is different on the 1500 with a vacuum operated petcock, yours on the 1200 is all manually operated, and on the bottom right of the tank so shouldn't be that. If the pump is not where the leaks are at then check the fuel overflow tube under neath the carbs. If the float valves have stuck open you can sometimes wrap on the Carb bodies to clear the blockage. Did you put on a new OEM fuel filter or a Napa 3011($5) when you rebuilt the carbs? Hopefully you didn't use an Emgo fuel filter. They fall apart.
Enjoy the grandkids and Merry Christmas to you.
Post back what you find is leaking to close this out or if more help is needed ask.
 

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Discussion Starter · #10 ·
Update: sorta. Can find no leaking under or around carbs. Went over, actually under, with an inspection mirror and can't find a hose or anything else leaking. Turned petcock back on just to see what would happen. {petcock on when first discovered the leak - I've always left it on - just turned off here after finding the leak} - Started leaking again. Bike HAS NOT been started, just opened the petcock to see if it leaked again. Fuel is dripping from under the fuel pump BUT the hoses/clamps don't appear to be the source. Hopely will get a chance tomorrow to remove the pump.

Question? Is there any part of the pump itself that might be the source of the leak? - thanks Sirkitrider
 

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Hi Sirkitrider, I noticed that on my '84 during the rebuild a while back now, that even tho the clamps seem tight, if you have the original "woven" covered fuel lines, they are old and possibly cracking themselves along fuel lines somewhere, so feel for gas along the hose as well as at the clamps, just in case. I replaced all of these types of hoses on mine.
Cheers,
Peter.
 

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Discussion Starter · #12 ·
Does the fuel pump have a diaphram or other internal part that would case the leak?

update 2: Finally got time to do more looking on the leak yesterday. Another exam with inspection mirror finds no fuel coming from carbs or lines as best I can tell. So I tighten the clamp screws - a turn and a half.
I thought surely this would be it. Backed her out the shed, fired her up, let her run 20 minutes. Sprayed some car wash/water mixture around pump just to clean everything up. Dryed off with shop towel. The purring of the engine and the first sunshine we'd seen in days I could not resist taking her for a spin to "dry" everything up. {Or freeze up - it was 30something degrees} Anyhow, couple hours later when I got back home it was a toasty 45! Well the bike performed flawlessly. Ran great. Stopped multiple times - NO leak. While riding I was wondering, could it be that simple? Answer - NO. Put her back in shed. Slid a large piece of cardborad underneath and hoped for the best. Just back in from the shed this morning. Greeted by the lovely smell of gasoline in the morning. Dang!

Leaked same as before. Felt with my figures and looked with inspection mirror. No gas from lines. Dry back to the pump. Alas, a drip dropped while I was there looking. Pump wet under the main body but dry at lines. A drop could been seen hanging off the rubber under the band right in the center of the fuel pump. Turned petcock off.

SO, the pump itself is leaking?? What do you think? I'm content buying new pump, but only if I'm sure thats were the leak is. Does the pump have a diaphram or other internal part that would case the leak? Thanks - Sirkitrider

BTW - new lines - new clamps
 

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New pump = peace of mind and many smiles per gallon. Priceless.
 

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Discussion Starter · #14 ·
New pump = peace of mind and many smiles per gallon. Priceless.
Yup. Would be worth the price of a new pump just to not have to deal with the gasoline order! I just don't understand how on the one hand it would be leaking from the pump and at the same time run great?:?
Sirkitrider
 

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Discussion Starter · #15 ·
update 3: Took the fuel pump off the bike. Inspected. No visible defects. Reinstalled and repositioned the clamps on the hoses and tightened as tight as humanly possible. Fuel pump still leaks WITH petcock on. Rode 88 miles Sat. parked bike and turned off petcock. One small droplet leaked as I was putting up bike and gear. Now Sunday evening ... no more leaking WITH petcock off ........ SO the hoses are not leaking. The fuel pump evidently is. Is the leaking pump a sign of impending doom for the fuel pump?? Thanks - Sirkitrider
 

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Discussion Starter · #18 ·
Well I reckon ya'll been waiting breathlessly for an update:)
Ordered the fuel pump on Thursday - should have it by 21st as per Western Honda. Have figured out can ride the bike and just shut off petcock when parked. If I don't flame out I'll let ya know the outcome. Really I'm more worried about getting stranded by a dead pump than fire:) Rode more than a 100 miles Friday and the bike is starting to run a bit different than before. Not bad. But less umph when pulling a hill. Betting $120 +shipping it's the fuel pump. Thanks for all the help - Sirkitrider
 

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Discussion Starter · #19 ·
sounds like the fuel pump...
Man of few words, huh? It was indeed the fuel pump. The new one arrived Friday from Western Honda. Installed and rode her 20 miles. Parked her and left petcock on and hoped for best in the morning. Next morning. No leak! Yay hoo! Saturday rode the ole gal 211 miles because it was nearly 60 degrees in January here in Middle TN. Put her in the shed for the night and left the petcock open again. No leak. Sunday morning .... no leak. MLK day .... no leak. Okay I'm a little anal:). No leak. Leaked fixed. And she had a little more umph as reported by others with the new pump. Glad to have this issue resolved. Thanks for all the input from each of you - Sirkitrider
 

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Good to hear all is well again with the bike.
 
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