Carburettor Float drain screw.(solved)
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Carburettor Float drain screw.(solved)
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Hi fellas,
I've been looking for a picture the clearly shows the drain screw but the diagrams I have found are confusing. Has anyone got a photo of it that they could mark the location on for me? Thanks 
10-06-17, 03:00 PM
Here you go...
More people are born because of alcohol than will ever die from it.
10-06-17, 03:01 PM
Make sure you use a good fitting screwdriver as the screws are rather soft and could be quite easily damaged.
More people are born because of alcohol than will ever die from it.
10-06-17, 04:22 PM
Thanks!
That picture is perfect. Now I can drain these and hopefully fix this misfire. 8)
10-06-17, 04:43 PM
Think that was courtesy of 'unfazed' from ages ago, it was such an simple but very descriptive picture i kept hold of it. :thumbup
More people are born because of alcohol than will ever die from it.
12-06-17, 04:35 PM
Well,
I've drained the carbs with great success, took the old girl out for a test ride of about 20 miles and not a single hiccup. Result. Or so I thought. Today on my way to work the problem has returned. Several times the engine RPM would just drop down slowly, regardless of the throttle position. Strangely though if I pull the clutch in, let the engine stall and blip the start button again it will fire up again. I could always change the plugs but I'm thinking this is possibly water/particles getting into the carbs. Any thoughts?
12-06-17, 05:14 PM
(12-06-17, 04:35 PM)funguy86 link Wrote: Well, Before changing the plugs, chop about 10mm off the ends of the HT leads, and rescrew them back in. Better still, if you still have OEM spark plug caps on, replace them with NGK ones, a lot of us use them and they're dirt cheap in comparison to £200+ for OEM ones. https://www.ebay.co.uk/sch/i.html?_from=...F&_sacat=0
More people are born because of alcohol than will ever die from it.
12-06-17, 05:17 PM
Is your air filter clean?
Blocked air filter can stuff things up. And make sure you haven't got a kinked breather pipe under the fuel tank, starving the tank of air.
More people are born because of alcohol than will ever die from it.
12-06-17, 05:33 PM
(12-06-17, 05:17 PM)darrsi link Wrote: And make sure you haven't got a kinked breather pipe under the fuel tank, starving the tank of air. :agree - This seems the most likely culprit from description
Another ex-Fazer rider that is a foccer again
12-06-17, 06:34 PM
I have had a look at the breather pipes and one of them did seem to have a kink in it.
I will have to check the air filter tommorow afternoon as I don't have a socket for the tank hinge bit that holds the airbox sheath thingy. I'll report back if it is better once I have ridden home later
12-06-17, 07:15 PM
Do one thing at a time, ride the bike first as it could well just be that the fuel tank wasn't breathing properly.
More people are born because of alcohol than will ever die from it.
12-06-17, 10:42 PM
Well I just got home....it was going so well up until about 20 minutes into the ride. That's when the problem came back. Had to restart the engine 3 times in the space of 5 mins. Is there a chance the pipe could be blocked?
13-06-17, 12:08 AM
Easiest test is open the fuel cap.
See if it gasps for air, or if it starts straight after it's a good guide.
More people are born because of alcohol than will ever die from it.
(12-06-17, 10:42 PM)funguy86 link Wrote: Well I just got home....it was going so well up until about 20 minutes into the ride. That's when the problem came back. Had to restart the engine 3 times in the space of 5 mins. Is there a chance the pipe could be blocked? There's 2 pipes that run through the tank, one's a breather that gives air to the cap, the other's an over spill pipe which will aim excess fuel, or any rain water, safely to the ground via the pipe. An air line, or can of air, will be your friend here. There's also a small chance the breather hole in your fuel cap could be clogged up. These bikes are old now so anything's a possibility. I just bought a new one, it meant a new key but that didn't bother me and it looks better anyway. Have a look through this thread, but bear in mind your cap is very slightly different to look at, being an older model, plus you have pipes coming off the underbelly of the tank, later models from 2000 aim the outer metal tubes on the tank into a rubber cup, to avoid the kinking issues when moving the tank. (FYI, my thumb's still fooked now, and being operated on in 2 days :\
More people are born because of alcohol than will ever die from it.
13-06-17, 07:09 AM
It does start straight away after, however I cannot detect any gasping sound when I open the tank.
13-06-17, 07:12 AM
Can of air it is then ?. I do quite often find rainwater around the rim on the inside of my filler cap.
I'm guessing halfords is the place to go
13-06-17, 07:34 AM
Bicycle pump would also do the job, use it to blow upwards from the lower pipes.
Where there's a will there's a way.
More people are born because of alcohol than will ever die from it.
13-06-17, 08:33 AM
You will find water around the filler neck occasionally and its worth blowing that pipe out to make sure its clear but that's not the one likely to be causing you problems.
IF the problem happens again, take off your helmet and take out your earplugs then open the fuel cap. If you hear a little hiss as you do it, its because there is a vacuum inside the tank. This is caused by the breather pipe being kinked. To fix that, lift the front of the tank and locate the breather pipes (back right). Find the bottom of the pipe and gently pull on that as you lower the tank. Problem solved. At the very least, once you release the vacuum in the tank, the bike will start again and run for another 20 mins before it builds up again.
Another ex-Fazer rider that is a foccer again
More people are born because of alcohol than will ever die from it.
14-06-17, 02:49 PM
Well I can confirm that it is definitely the breather pipe. Did the hiss test after my ride home yesterday. I also checked the pipes for blockage and they seem fine.
At the moment these pipes go between the carbs and down the back of the gearbox and like this there is little I can do it seems to stop them from being caught on something. I'm going to remove them tommorow, clean them up, flip them upside down(top end seems to have been permanently squished) and try to route them differently. I don't really know how they got this way in the first place. I've never had the tank off before. Thanks for all the advice so far, I would not have been able to figure out what the problem was without it ? |
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