Question about 1981 Laverda 1000 Jota

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1978 jota intermittant firing

I own a late 1978 jota

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With BTZ ignitioni am having increasing problems with it only running on oneor two cylinders until it warms up and all three kick in.Its usually the right side pot that has problems and sometimes the leftbut never the middle. With the plugs out ,the left side and centre plugs are a nice golden brown but the right plug is running rich(black/sooty),when i clean it and replace it the bike fires up like a good 'un..However ,when left overnight and started in the morning(especially if its cold)it usually only fires on the 2 left pots. Even though i'm having a few probs, this bike (when firing on all 3) is absolutely Awesome.I've never had a bike like it. , I would recomend to start at the carbs. If you have a friend with an ultrasonic cleaning-bath, buy yourself 3 gasket-kits for the carbs, totally unmount them (maybe one after the other to avoid you end up not knowing how to put them together again...), clean them, exchange all O-rings and gaskets, make sure all jets are free and - VERY important - check the float-hights and synchronize both the carbs and the choke-sliders. With little tuning on the mixture screw, it should be very reliable on starting after that.,,,

Posted on Nov 10, 2008


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