oops hurts
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So the '04 I bought two months ago with 2800 miles on it now has 4000 and Ive run into a fuel problem probably due to the bike sitting in someones garage for 11 years.
Only engine related mod I have done is the flapper mod so...
Whats happening is the bike starts bucking when it gets low on fuel. Its gotten so bad the bike will just lose all power at cruise unless I let go of the clutch and rev the engine then leave the clutch back out.
Note that this is without the fuel warning light even going on. The idle will also dive at a red light and stall but there IS gas in the tank.
Its been getting worse so I took it to the local dealer today and they say its from all the junk in the tank and next week Im replacing the fuel filter and having them test the pressure coming from the fuel pump.
If I fill up the tank the problem is gone but I only get 120 into the trip before I have a problem again. Supposedly this thing has a 5 US gal fuel tank and when I filled up when this was happening today I only got in 3.7. So seems like a pressure/flow issue. But on the upside at least its also dangerous.
Im taking a trip this weekend but I figure Ill gas up often and get some of that fuel line cleaner crap they sell at autozone to see if it does anything.
Any advice or contrary opinions welcome.
Only engine related mod I have done is the flapper mod so...
Whats happening is the bike starts bucking when it gets low on fuel. Its gotten so bad the bike will just lose all power at cruise unless I let go of the clutch and rev the engine then leave the clutch back out.
Note that this is without the fuel warning light even going on. The idle will also dive at a red light and stall but there IS gas in the tank.
Its been getting worse so I took it to the local dealer today and they say its from all the junk in the tank and next week Im replacing the fuel filter and having them test the pressure coming from the fuel pump.
If I fill up the tank the problem is gone but I only get 120 into the trip before I have a problem again. Supposedly this thing has a 5 US gal fuel tank and when I filled up when this was happening today I only got in 3.7. So seems like a pressure/flow issue. But on the upside at least its also dangerous.
Im taking a trip this weekend but I figure Ill gas up often and get some of that fuel line cleaner crap they sell at autozone to see if it does anything.
Any advice or contrary opinions welcome.
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Don't take it to the dealer.... Drain the tank and fill it with fresh fuel and add some Seafoam, and run it. I'd bet you have some water in there.
Change the fuel pressure regulator while you're at it. Poor low end performance (blubbering), dropped idle and black smoke when you blip the throttle are signs it needs it.
Commom on low mileage bikes. I bought a '02 with 1,500 miles and had to change it. It's on the fuel rail behind the valve cover. Two bolts and a line or two (can't remember). Make sure you squeeze the fuel line and place a rag under it. I took the pads off a Quick Clamp and used needle knose vice grips. Very little fuel came out this way.
Oh, it's accessed from the shifter/left side and you'll need to raise your tank and place a 2 x 4 block under the front of it.
Easy-peezy!
Commom on low mileage bikes. I bought a '02 with 1,500 miles and had to change it. It's on the fuel rail behind the valve cover. Two bolts and a line or two (can't remember). Make sure you squeeze the fuel line and place a rag under it. I took the pads off a Quick Clamp and used needle knose vice grips. Very little fuel came out this way.
Oh, it's accessed from the shifter/left side and you'll need to raise your tank and place a 2 x 4 block under the front of it.
Easy-peezy!

Robert
2002 Honda 919
2003 Honda CRF450R
Quote:
Originally Posted by rmb
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Don't take it to the dealer.... Drain the tank and fill it with fresh fuel and add some Seafoam, and run it. I'd bet you have some water in there.
Seafoam is a fuel additive, it works wonders cleaning out carbs & FI.
Pilus Posterior
Join Date: Mar 2013
Location: Sacramento
Posts: 2,175
Rep Power: 1
Fuel filter is a must, but I wouldn't just flush the tank once. I'd remove the tank and swirl around some solvent drain and repeat several times. Then replace the filter.
As far as tank size, I fill up near 100 myself and it's usually about 3.5 gallons.
If you don't want to remove the tank, you can fill it 1/3 and slosh it around, then drain. Maybe some acetone will work. You can check it when it comes out and repeat until it's clear.
I don't think many (if any) have got 5 gallons in there.
As far as tank size, I fill up near 100 myself and it's usually about 3.5 gallons.
If you don't want to remove the tank, you can fill it 1/3 and slosh it around, then drain. Maybe some acetone will work. You can check it when it comes out and repeat until it's clear.
I don't think many (if any) have got 5 gallons in there.
Quote:
Originally Posted by KarlJay
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I don't think many (if any) have got 5 gallons in there.

2009 Aprilia Tuono - Ginger
2001 XR650R BRP (Big Red Pig)
2006 Honda 599 - Ex wrecked it :-D
2007 Honda CB900F (sold)
2006 Honda VTX 1300C (sold)
YouTube Channel
It is a 5 gallon tank. I've gotten 5 in there many times. Oh, g00gl3it. SMH. Haha.
Spoiler:
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Originally Posted by bloaker
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Kevin crashed this whole thing just to fire me as a moderator?
Wow! I am honored to draw all that attention!
Wow! I am honored to draw all that attention!

2009 Aprilia Tuono - Ginger
2001 XR650R BRP (Big Red Pig)
2006 Honda 599 - Ex wrecked it :-D
2007 Honda CB900F (sold)
2006 Honda VTX 1300C (sold)
YouTube Channel
i don't agree with slosh/flush and filter advice.
tank is coated from the factory and fuel filter is long life.
replace the fuel pressure regulator while allowing old fuel/water to drain out.
no removing/disconnecting tank, no swirling solvent.
tank is coated from the factory and fuel filter is long life.
replace the fuel pressure regulator while allowing old fuel/water to drain out.
no removing/disconnecting tank, no swirling solvent.
Berryman's Carb/FI cleaner is much stronger. In 30 years of using Seafoam, it never once helped with an issue I had.
Berryman's? ABSOLUTELY! Be sure to measure it and not just dump it all in. When you measure it, use a glass measuring cup. It WILL disform plastic!
Berryman's? ABSOLUTELY! Be sure to measure it and not just dump it all in. When you measure it, use a glass measuring cup. It WILL disform plastic!

Discen
Join Date: Jun 2008
Location: Spring Hill, TN
Posts: 201
Rep Power: 1
My (free) advice... Drain. Replace filter and maybe fuel pressure regulator. Run it. Still a problem? Add Seafoam. Run it.
I'd use the most aggressive cleaners as a last resort.
I'd use the most aggressive cleaners as a last resort.
Quote:
Originally Posted by KarlJay
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I don't think many (if any) have got 5 gallons in there.
I'm with goog, I don't doubt you can get more than 5 gal in there.
Pilus Posterior
Join Date: Mar 2013
Location: Sacramento
Posts: 2,175
Rep Power: 1
This is so odd, I can't even remember getting past 4. The volume of 1 gallon of gas is quite a bit. Maybe I just fill too early or the gauge is off a bit. I guess it's a float (kind of odd they'd have a float and offer no fuel gauge), but maybe mine's off a bit. I don't tend to take big risk, I've had to push a carb'd bike home because of fuel issues and it's not fun.
It's actually a long thin wire that hangs down into the tank, I believe it has a thermistor (sp?) to read the fuel level. You can bend the wire down father to give you a more accurate reading of your gas level. I believe the father down in the gas it is, then the lower the level of gas before the thermistor trips and the signal is sent.
Rob would know, he invented the system I think
Rob would know, he invented the system I think

2009 Aprilia Tuono - Ginger
2001 XR650R BRP (Big Red Pig)
2006 Honda 599 - Ex wrecked it :-D
2007 Honda CB900F (sold)
2006 Honda VTX 1300C (sold)
YouTube Channel
Quote:
Originally Posted by KarlJay
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This is so odd, I can't even remember getting past 4. The volume of 1 gallon of gas is quite a bit. Maybe I just fill too early or the gauge is off a bit. I guess it's a float (kind of odd they'd have a float and offer no fuel gauge), but maybe mine's off a bit. I don't tend to take big risk, I've had to push a carb'd bike home because of fuel issues and it's not fun.
I posted a video a couple years ago of getting more than 5.2 gallons in my battered non-CA tank after the bike had started spluttering on an off ramp - my idiot light had decided not to work for a while. I had to slosh fuel from one side of the tank to the pickup side to get to the end of the ramp and the station there.
1986 Honda Nighthawk 700S
2002 Honda 919

Quote:
Originally Posted by drivit
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tank is coated from the factory and fuel filter is long life.
As for fuel filters I once bought a 1973 Buick Century with 13,000 miles on it (in 1992) that had been sitting in a garage for 20 years. Ran great for 2 months and stopped running at all. Fuel Filter.
So the dealer is going to do the fuel filter, fuel pressure regulator tommorow and hopefully when draining the tank get the gunk out.
Will report back with results and hopefully my first 5.2 fillup

These things are simple to do yourself. I wouldn't waste your money on the dealer. Good luck
Pilus Posterior
Join Date: Mar 2013
Location: Sacramento
Posts: 2,175
Rep Power: 1
I had a tank that looked great on the outside. Noticed a small leak at the bottom and after digging into it, the inside looked like swiss cheese with all the rust holes ready to break thru. I tried a sealer and it failed to hold to the inner surface.
I'd look at an acid wash, but keep in mind that the metal tends to be very thin. The part that scared me was having gas drip on a hot engine, not very comforting
I'd look at an acid wash, but keep in mind that the metal tends to be very thin. The part that scared me was having gas drip on a hot engine, not very comforting

Quote:
Originally Posted by redline919
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These things are simple to do yourself. I wouldn't waste your money on the dealer. Good luck

Quote:
Originally Posted by theboom
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I do minor cosmetic stuff nothing mechanical right now. When it has 20K miles on it Ill do it. It has 4000 - Im sticking with the dealer since its "new".
He says they will give me the tank to seal it myself but he hasnt had good luck with "gelcote" or whatever.
Feedback welcome....
Replace the tank. Modern gasoline will eat most any sealant. You may be able to find a good used pump.
1986 Honda Nighthawk 700S
2002 Honda 919
Hopefully no clogged injectors or fuel rail
Quote:
Originally Posted by CB700S
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Replace the tank. Modern gasoline will eat most any sealant. You may be able to find a good used pump.
Quote:
Originally Posted by theboom
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I decided Im not going to seal it. Im going to take the rust off with metalrescue and call it good.
Look up ethanol resistant fuel tank sealents: practically the only one you will find is Bill Hirsch sealant. I have not used it but know several mechanics who have with good long lasting results. In fact, it is tacitly approved for aircraft use, though they will not seek FAA approval because of a lack of professionals certified in its use. Nonetheless, it does a good job and is comparatively inexpensive.
Rob
If it has already been done, it is safe to assume it is possible to do it.
On the other hand, if it has not been done never assume it is impossible to do it.
------- Rob --------
Quote:
Originally Posted by robtharalson
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The raw metal will begin to corrode almost immediately after it dries after cleaning.
Either way Im going to find out. Ill drain the tank once a year and see whats what. Im not worried about it this tank would take another 10 years to rust through and I wont give it the chance.
Personally I think (any) sealant failure is not worth the risk.
Soooo, Im pretty against getting a new tank. Not necessarily because of the cost but just the hassle of painting one. new tank $770 dollars, then to paint it? I can get the paint from color rite for not much but painting sucks, (although I dont think the uranium green needs clearcoat) But where do I get original tank stickers? The whole thing just seems like a pita compared to derusting the tank.
Quote:
Originally Posted by theboom
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Soooo, Im pretty against getting a new tank. Not necessarily because of the cost but just the hassle of painting one. new tank $770 dollars, then to paint it? I can get the paint from color rite for not much but painting sucks, (although I dont think the uranium green needs clearcoat) But where do I get original tank stickers? The whole thing just seems like a pita compared to derusting the tank.
Spoiler:
Yup, prepainted with the stickers and such already on.
1986 Honda Nighthawk 700S
2002 Honda 919
IIRC, the new tanks from Honda are around $500 or so. Search around here, there's a thread with part numbers and prices.
Quote:
Originally Posted by rmb
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IIRC, the new tanks from Honda are around $500 or so. Search around here, there's a thread with part numbers and prices.
OK So the dealer gave me the part # 17500-MC0-D10ZF, can anyone give me a place that might be able to get me a better price than 770? Now that I know they are painted with stickers Im all in on this.
Quote:
Originally Posted by theboom
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OK So the dealer gave me the part # 17500-MC0-D10ZF, can anyone give me a place that might be able to get me a better price than 770? Now that I know they are painted with stickers Im all in on this.
Wow awesxome find. I think thats the CA one, mine is 49 state. So I guess I should call these guys because the dealer says Honda has these in stock on the east cost in both flavors.
Thanks man!
Thanks man!
No problem. That's definitely the correct number I gave you. Here's a whole thread about it. https://www.wristtwisters.com/forums/...s/29316?page=1. Feel free to check out their site and call them. That number you have is old.
(Quintus) Pilus Prior
This Honda 17500-MCZ-D10ZF TANK, FUEL (TYPE4) is used on these models and components:
2004 CB900F A FUEL TANK
This Honda 17500-MCZ-L10ZC TANK, FUEL (TYPE1) is used on these models and components:
2004 CB900F AC FUEL TANK <---- cali model
2004 CB900F A FUEL TANK
This Honda 17500-MCZ-L10ZC TANK, FUEL (TYPE1) is used on these models and components:
2004 CB900F AC FUEL TANK <---- cali model
if you love your motorcycle, set it free.. if it comes back and hits you.. you highsided
Quote:
Originally Posted by redline919
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No problem. That's definitely the correct number I gave you. Here's a whole thread about it. https://www.wristtwisters.com/forums/...s/29316?page=1. Feel free to check out their site and call them. That number you have is old.
Could check bikebandit.com too but usually partzilla has lower prices
I have no idea why people buy shit from Bike bandit . They charge at least 20% more than Partzilla and Motorcyclegoodies.com on everything. They want $647 for the same tank
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