Changed the seal ariund fuel pump that leads into the tank but is still leaking on top of left cylinder head and running down side of bike
dosent do it if the bike has a gallon or less in it what could it be?
You may have a seam leaking on the tank it self, you need to get someone to pressure test the tank for cracks, some kawasakis had recalls on leaking fuel tanks not sure if the meanie was one of them but i know some of the vn1500's drifters i believe had these issues. check with your local dealer or the kawi website about the recall, it might be a seal but most likely a leaking tank seam.
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1. Drain fuel tank as follows:
Obtain a short section of hose with a 5/16 inch (7.9 mm) I.D.
Insert bolt in one end of hose and install hose clamp to
ensure that end is securely plugged. Using a side cutters, cut
clamp from one end of crossover hose beneath fuel tank.
Quickly replace crossover hose on fuel tank fitting with open
end of short hose while directing flow of gasoline from free
end of crossover hose into suitable container.
2. Remove seat.
3. Purge the fuel supply line of high pressure gas. Proceed
a. Remove the 15 amp fuel pump fuse.
b. Start the engine and allow the vehicle to run.
c. When the engine stalls, operate starter for 3 seconds
to remove remaining fuel from fuel lines.
4. Unthread bolt and remove battery negative cable (black)
from battery negative (-) terminal.
5. Carefully cut anchored cable strap securing main harness
bundles, console pod conduit, fuel level sender/fuel pump conduit, and fuel vapor vent tube to left side of frame backbone.
6. Open fuel door on console. Remove two Allen head
screws inboard of rubber bumpers. These screws
secure console to clip nuts on the canopy bracket.
7. Remove Allen head screw to detach flange at rear of
console from clip nut on fuel tank weldment.
8. Lay a clean shop towel on forward part of rear fender.
9. Remove filler cap from neck of fuel tank. Remove console
and lay upside down on shop towel. Reinstall filler cap.
10. At top of canopy, depress button on socket side of 3-
place Mini-Deutsch connector to release fuel tank harness.
11. Gently pry fuel vapor vent tube from fitting on filler neck
of fuel tank. Exercise caution to avoid pulling fitting from
12. Locate quick-connect fitting on left side of fuel tank. Pull
up on chrome sleeve and pull down on fuel supply line
fitting to disconnect.
13. Remove two fuel tank front mounting bolts (with flat
washers) from left and right side of frame. Remove bolt
(with flat washer) to free rear of fuel tank from frame
14. Remove fuel tank from vehicle.
If your compression is normal in both cylinders, your problem is probably a worn valve stem seal or possibly a stem seal that has popped up from the head and is now floating. By putting the cylinder to top dead center on the compression stroke and hooking the the cylinder to an air compressor through the spark plug hole you can change your valve stem seals with minimum disassembly of the motor.
your description leads me to believe you have either a bent exhaust valve, or a leaking head gasket. what may be happening is your intake valves work fine, so the fresh fuel is being pulled into the motor like it should. only when the piston rised to compress the air/fuel, it cant with that leak. so only a portion is actuall being burned, and the leftover fuel is sent out the exhaust. a less likely cause could be worn piston rings or a damaged cylinder sleeve. start by removing the head. you will see if the exhaust valve isnt seating properly. if needed, replace the valve, and definitely replace the valve guide seals. theyre inexpensive anyways. and once your head is off, the cylinders will slide off easily. then you can inspect them for wear or damage. if needed, bore the cylinders and install fresh pistons/rings. if your nervous about taking anything apart, then just have a technician do that work for you. but those are really the only possible causes.
it's probably leaking from the carb and down the cylinder into the crankcase. it is probably due to a stuck float in the carb. take the float bowl off and make sure it is clean. the float can also be full of gas not letting it float up and stop the gas flow. the carb will fill up and leak wherever it can which is likely the case
The idle problem is a lean fuel mix caused by an air leak in the intake system. Bad gaskets /seals on the intake manifold, bad valves, bad piston rings, loose spark plugs, and bad head gasket are all things that can lean the fuel/air mix. The smoke indicates a need for new rings. I would have the cylinders bored then install new pistons and rings. Now finish the top end work by getting a valve job. You should get a liquid fuel tank liner to eliminate any rust problems in the future. Also, install an in-line fuel filter.
Google“ kreem fuel tank liner “or go towww.http://www.4secondsflat.com/Fuel_Tank_Sealer.html My complements on the well cleaned carbs. Do the work mentioned above an you will effectively have a new engine. A “very helpful” rating for this answer?Thanks!
Several possibilities, one or all could have happened. Low oil level, not changing the oil filter and oil when needed, wrong type of oil, Spark plugs with the wrong heat range, not using premium gas, oil pump problems, air leak in the intake leaning the fuel mix, poor seal on the head gasket, bad exhaust valve(s), timing is off and a few other things. What is listed are the usual things causing an engine to overheat. If fuel injected, get that checked too. It could be a lean mix there. In any event, overheating is the cause. Now just find out what caused the overheating.
there is no way for fuel to get passed the rings right? So if you filled the head with fuel, it would just work its way down the exhaust pipe and out the back, just like its doing. The only way of getting fuel into the sump is; if you have seriously bad rings (it would be burning oil) OR if its getting through the breather system. I don't even think if the injectors were on full-time, it still wouldn't get into the sump... very strange.
Are you sure its not coolant? A serious coolant leak can be completely unnoticeable from the outside, but catastrophic to the inside.