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Post by stukeith on Jul 12, 2013 8:28:51 GMT
Ok guys. The divvy was stood for ages before I got it. I've had the tank off for a cpl of months now due rusting and covering inside. Now my divvy is the vacumn one. So how I'm I best getting it started, read they canbe a bitch to restart.
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Post by Deleted on Jul 12, 2013 8:47:38 GMT
Put the fuel tap to the prime position until it starts. Maybe consider getting a 12v fuel pump in the future.
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Post by stukeith on Jul 12, 2013 8:57:25 GMT
Not sure if got a prime on my tap will check. Got wait 4 days for the por-15 to go off 1st.
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Post by gsteinert on Jul 12, 2013 9:25:05 GMT
Make sure the fuel tank is pretty full before you try. The fuel level needs to be higher than the inlet to the carbs. If you've only got a gallon or so in the tank no amount of gravity will get fuel into those carbs.
Gary
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Post by showaddydadito on Jul 12, 2013 9:53:07 GMT
Not sure if got a prime on my tap will check. Got wait 4 days for the por-15 to go off 1st. If its the same as mine, with the tap having a pointy end and a square end, then: fully clockwise = point down = normal fully counter clockwise = point up = reserve halfway between = point toward back of bike = prime Put it on prime and go have a good cup of tea before coming back to start it. Dave |
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Post by rowlf on Jul 12, 2013 12:11:11 GMT
Ok guys. The divvy was stood for ages before I got it. I've had the tank off for a cpl of months now due rusting and covering inside. Now my divvy is the vacumn one. So how I'm I best getting it started, read they canbe a bitch to restart. My bike had been stored for a long time before I bought it and I had starting issues when it had been standing for a few days. I believe this was the classic problem of fuel evaporating from the fuel chambers. I put the tap to the prime position thinking that would help starting but it actually made things worse (although it took me a while to figure that out). It turned out that the reserve inlet pipe filter screen was blocked inside the fuel tank and "prime" uses that pipe. I discovered this by taking the fuel pipe off the tap and turning the tap to "prime". Fuel should flow freely on "prime" but none came out on mine. Fuel was dribbling out when the tap was set to "on" so I had already bought a fuel tap repair kit. I changed all the seals and washers and cleaned the filter screen in the pipes and petrol now flows freely when turned to "prime". I suggest you check that fuel does actually flow OK when turned to prime before wasting a lot of time cranking it over. If flow is OK the bike should not be too bad to start. You could use a bit of pipe to bypass the vacuum pump and let gravity fill the carb chambers, this will certainly help on a "first" start. There must be enough fuel in the tank though. If it is only at the reserve level it is not high enough for gravity to work. Assuming the battery is good, if fuel is flowing OK when on "prime" I would just try that first (less effort). Should start with a few minutes cranking. If not try the "gravity fill" method.  Best of luck. Rowlf |
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Post by stukeith on Jul 12, 2013 14:23:29 GMT
It's a brand new battery, I did cut the old filter in half and put fuel in there. The old tap was snapped in primeas wen took tank off fuel emptied everywhere. Ill get 2,jerry cans full and stick in there.
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Post by bobh on Jul 31, 2013 11:27:37 GMT
Another possible thing if the bike's been standing a long time is the residue left in the float chambers when the petrol evaporates can block the pilot jets.
If that's the case, the bike may start and run roughly on choke but won't idle or run at low revs when the choke is pushed in.
The only sure cure is to take off the float chamber covers and extract the jets for cleaning - a good-fitting cross-point screwdriver is essential for the covers, and a sharp flat one for the jets.
To clear out the jets you can soak them in carb cleaner solvent then blow through. The holes are tiny but you should be able to see light through them if they are clear.
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Post by stukeith on Jul 31, 2013 16:55:37 GMT
Another possible thing if the bike's been standing a long time is the residue left in the float chambers when the petrol evaporates can block the pilot jets. If that's the case, the bike may start and run roughly on choke but won't idle or run at low revs when the choke is pushed in. The only sure cure is to take off the float chamber covers and extract the jets for cleaning - a good-fitting cross-point screwdriver is essential for the covers, and a sharp flat one for the jets. To clear out the jets you can soak them in carb cleaner solvent then blow through. The holes are tiny but you should be able to see light through them if they are clear. Yep! It runs but only on 3 cyclinders, number one not firing. Had push it 2miles to new place. |
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