20 Most Recent 2007 Gilera SC 125 Questions & Answers

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The Gilera SC125 does not have an oil filter, the two stroke oil from the oil tank lubricates the engine by injection into the inlet with the petrol. The oil in the engine is only for the gearbox and clutch. If you want to change this drain it by removing the drain plug underneath the engine, refit the plug and refill with the correct quantity of motorcycle gearbox oil or good quality engine oil. do not use an EP rated oil or the clutch will slip.

Let me get ths straight, there is petrol leaking out of your bike, more or less between your legs and you are still riding it??? STOP, if you have no concern for yourself, consider othrs around you. Dont ride this motorcycle until you find and repair the problem. I would suspect a vent or fuel line but it could be the carb over flow or a hole in the tank. Please get it fixed before you ride again.

more likely a fuel hose problem.. could be a clogged filter, a pinched hose even a dirty carburetor .. it's not a tight clog it just slows the fuel enough to starve the engine then over time it drips enough fuel into the carb to allow start and run for a short while before clogging again

It sounds as though the mixture is way too rich. Is the choke stuck on or malfunctioning? With is dry spark plug but fuel in the carburetor, try turning the fuel valve and choke off and then with ignition on and holding the throttle at least 1/2 open, kick the engine over several times. If it starts under these conditions then perhaps the float(s) in the float bowel have leaked and are full of gasoline causing the fuel to flow continuously into the throat of the carb then into the engine. It probably is some sort of carb mixture setting, choke or needle valve/float problem.

CHECK THE CABLES THAT GOES TO THE SPARK PLUGS. IT MIGHT BE LOOSE OR BROKEN.

manual Brakes start 219 http://www.bellamoto.rs/upl/files/NEXUS/Nexus%20250%20i.e.%20E3%20MY%202006%20TEHNICKO%20UPUTSTVO.pdf

Possible warped/cracked head or cylinder wall.

Time to disassemble the engine again,,, you can see what is causing the problem ... proceed from there...

242 cc +/- 3 cc (8.2oz)

try some bradex easy start, down inlet.

still think you have a plugged carb passage somewhere maybe an idle air passage, you used carb cleaner and compressed air to blow this carb's jets out?

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