Advice Please - Misfiring on right cylinder.

Thank you everyone for your advice.

Today I drove it to my brother?s to store it over the Winter (about 15 miles). Coming to the first stop, it stalled, but started right up again without choke. After riding a few miles, the hesitation and backfire coming off idle completely dissapeared, and I had no further problems. Guess I didn?t ride it enought this year because I bought a new Bonneville T120 in Spring. My wife says the Laverda is probably jealous and feeling neglected. Guess she has a point!

Come next Spring I will do a complete check over again, just to make sure all is well.

Joe
 
don't forget to drain the carbs, (loosen the float bowl nut (x2) and catch the fuel), then drain the fuel tank completely, (use the fuel in something else perhaps) and coat the bare steel of the tank inside by swirling around inside it about half a litre of two stroke oil.
retighten the float bowl nuts , refit the tank and the fuel lines and leave it all closed up, ie tank filler shut, pet cocks off.

for one winter I wouldn't bother but you might like to remove the plugs and squirt in a little engine oil and then turn the engine by hand a few times, do this with the plugs out and ignition OFF, refit and tighten the plugs afterwards. If you can arrange it so that there is no weight on the tyres,(paddock stand, front fork stand) then that's a good idea as well. I am still using tyres from the 1940's on my Sunbeam which is stored on the standard fitment front and rear wheel stands and there is no cracking to be seen on those tyres (make = John Bull) so it does work, cant say the same for the black spokes though, which are now so rusty that they will have to be replaced.

CLEM
 
Thanks Clem. What you describe is the way I have been storing all my carburetted bikes (and snowblower). I figure the main jet came unscrewed with the float bowl nut when I stored it last year, but was only loose enough to allow fuel seepage. Probably would have never found it had the jet not come out completely with the nut at some point.

However, this year I was thinking of adding fuel stabilizer, then running it for about ten minutes, then fillling the tank to the very top before draining the float bowls, instead of fully draining the gas. Tank was lined a few years ago because of rust.

Also plan to do the Bonneville this way since it is fuel injected. M brother has been storing his Goldwing this way for years & so far so good.

Any advice would be appreciated.

Joe
 
I also fit plastic bags over the exhaust ends and cable tie them up to ensure as far as poss, airtightness, and on a twin fit drain plugs into the carbs (rubbers removed) or bell mouths whichever is fitted.
CLEM
 
For the ultimate in lay-up preservation, put the entire bike in a sealed air-tight tank and pull a vacuum on it. It'll need to be a strong tank, something like the pressure hull of a submarine.  :D
 
Saw a doco called Million Dollar cars once, seems lots of these live in sealed plastic bags in Climate controlled buildings, and like country's gold reserves that never physically move, bits of paper, get swopped about as they get sold. Car stays in the bag.
 
Dellortoman said:
For the ultimate in lay-up preservation, put the entire bike in a sealed air-tight tank and pull a vacuum on it. It'll need to be a strong tank, something like the pressure hull of a submarine.  :D
Click to expand...


and the rubber components will become desiccated in no time... ::)
 
Pressure hull sitting off Crib Point, Victoria doing nothing, was known as HMAS OTAMA. :(
 
Check if the Intake Balance Tube isn't leaking or collapsing. You need a sturdy Hydraulic Hose to be sure.

If everything else appears good, it's probably your DMC Tigger - Aside from minor adjustments and cleaning, I've always run Points without issues on my SF.
 
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