Question about 1995 Yamaha XV 535 Virago DX

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Bike sat for year,has spark,cranks over,but wont start,bad gas maybe?

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Yes buddy drain tank put fresh fuel in and kick it over a few turns to allow fresh fuel to flow into engine get back to me if still no start

Posted on Oct 04, 2009

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Posted on Jan 02, 2017

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SOURCE: bike has sat up for a year or so,wont start,cranks

If no fuel stabilizer was added while the bike sat for a year or so.
It is most likely bad fuel with gum deposits.
This can can create some problematic symptoms for you.

It is vital the bad fuel to be cleared from tank/lines and carbs.
You may need the fuel system cleaned as the gum deposits can cause major headaches in the carbs and jets. If the system is not cleaned and even after you get the bike running, you could be miles away and have the fuel fowl jets/injectors, causing shut down.

Check the spark plugs carefully. Oil on the plugs may just need cleaning. Once you get the bike running the oil should burn off if the rings are still in good shape.

Motor needs clean Air, Clean Gas and a hot spark.

Good luck!

Posted on Oct 04, 2009

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05 Altima cranks but wont start, new cam and crank sensor, new battery, fuel line is ok???


If the car sat, would bet all the money in my pockets that it's bad gas. Adding fresh gas won't solve the problem. You need to add a fuel stabilizer ( purchased for under $10 at Autozone) that you just add directly to the tank.
It could also be the case that the coil wires are dry and cracked from sitting, cause sparks to ground out.

Whenever your car won't start it is always one of three things-- fuel, spark or air. I hear you saying fuel is coming in, but to be sure you could try spraying a quick spray of carb cleaner or better yet starter fluid into the air intake and see if it briefly starts. If it does, then shuts down immediately, it's a fuel issue.

If not, then it is likely spark (air is usually not restricted but you may as well check the air filter and throttle body and make sure they aren't clogged. )

Check the spark in each cylinder. The problem could be a bad coil or fouled plugs.

If fuel, air and spark all check out, then the problem could be timing but this is highly unlikely.

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My bike cranks but wont turn over. when it does start it idols rough and shuts off. could this be my carb need to be clean. the bike sat for a year before i bought it


I have the same bike, put fresh gas in it and make sure its high octane. Check your plugs make sure they arn't fouled, make sure the intake boots on the carb are tight. Check air filter.

I bet its the gas, thats what happened to mine.

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Bike has sat up for a year or so,wont start,cranks fine,has spark,maybe bad fuel ?


If no fuel stabilizer was added while the bike sat for a year or so.
It is most likely bad fuel with gum deposits.
This can can create some problematic symptoms for you.

It is vital the bad fuel to be cleared from tank/lines and carbs.
You may need the fuel system cleaned as the gum deposits can cause major headaches in the carbs and jets. If the system is not cleaned and even after you get the bike running, you could be miles away and have the fuel fowl jets/injectors, causing shut down.

Check the spark plugs carefully. Oil on the plugs may just need cleaning. Once you get the bike running the oil should burn off if the rings are still in good shape.

Motor needs clean Air, Clean Gas and a hot spark.

Good luck!

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1 Answer

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